Raadeite   Heneuite

Comments: Translucent aqua colored greasy heneuite grain, surrounded by beige rim of raadeite, with dark blue phosphoellenbergerite inclusion (near top of heneuite), in quartz apatite rock.
Location: Tingelstadt Iron Mine, Modum, Buskerud, Norway. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Raadeite

Comments: Black and white image of a petrographic thin section showing two crystals of raadeite (arrows) included in holtedahlite. (Eur. J. Mineral, 13:320).
Location: Nodules of apatite + Mg-phosphates within the Tingelstadtjern serpentinite body, Modum district, Norway. Scale: See Image.
© Eur. J. Mineral

Rabbittite

Comments: Fine, yellow, acicular sprays of rabbittite to about 1mm on matrix.
Location: Hideout mine, San Juan Co., Utah, USA. Scale: 20x10x4mm.
© Tom Loomis / Dakota Matrix

Rabejacite

Comments: Yellow rabejacite grains on matrix.
Location: Mas d'Alary, Lod?ve, H?rault, Languedoc-Roussillon, France. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Raguinite

Comments: Murky gray-brown fine grained raguinite mass, intermixed with pyrite.
Location: Allchar, Macedonia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Raite

Comments: Golden raite crystals up to 2 mm long filling cavities in white microcline with minor lomonosovite and natrolite.
Location: Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: 7x4x3 cm.
© John Betts - Fine Minerals

Raite   Mountainite

Comments: Bright white fibrous acicular mountainite crystal aggregate with pale golden raite.
Location: Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rajite

Comments: Bluish green coating of rajite on matrix.
Location: Lone Pine mine, Catron Co., New Mexico, USA. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Ralstonite   Cryolite

Comments: Massive cryolite with solution cavities lined with octahedral ralstonite crystals.
Location: Ivigtut, Greenland. Scale: Picture size 0.5 cm.
© John Veevaert

Ralstonite   Gjerdingenite-Fe

Comments: SEM photomicrograph of gjerdingenite-Fe. The mineral is dusted with tiny crystals of two phases. At high magnification, one of them is seen to form cubes and is probably ralstonite.
Location: Gjerdingselva, Lunner, Oppland, Oslo Region, Norway. Scale: Crystal length 0.5 mm.
© Canadian Mineralogist

Rambergite   Hauerite

Comments: Small black octahedral crystals of hauerite with small brown crystals of rambergite.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 0.8 mm.
© Thomas Witzke / Abraxas-Verlag

Rambergite

Comments: Dark reddish-brown rambergite mass in matrix.
Location: Ronneberg, Thuringen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rammelsbergite

Comments: Dull gray metallic botryoidal rammelsbergite aggregate with crystalline surface.
Location: Hudson Bay Mine, Rusty Lake, Gowganda, Ontario, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ramsbeckite

Comments: Green crystals of ramsbeckite on matrix.
Location: Gelbe Birke Mine, Schwarzenberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Ramsdellite

Comments: Large mass of radiating ramsdellite crystals with terminated crystals.
Location: Lake Valley District, Sierra Co., New Mexico, USA. Scale: 11x10x8 cm.
© John Betts - Fine Minerals

Rancieite

Comments: Brown resinous rancieite veinlets in limonite / wad rock.
Location: Montmirat, Lozere, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rankamaite

Comments: White, massive-fibrous rankamaite.
Location: Mumba, Kivu, Congo (Za?re). Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Ransomite

Comments: Pale bluish-green powdery ransomite.
Location: United Verde Mine, Jerome, Black Hills, Verde District, Yavapai Co., Arizona, USA. Scale: Picture size 4.5 mm.
© Thomas Witzke / Abraxas-Verlag

Rapidcreekite

Comments: Colorless, radial-acicular crystals of rapidcreekite on matrix.
Location: Jeremias Gl?ck Mine (Fairy Grotto), Garnsdorf, Saalfeld, Thuringia, Germany. Scale: Picture size 8 mm.
© Thomas Witzke / Abraxas-Verlag

Raspite

Comments: Brown, tabular crystal of raspite on matrix.
Location: Broken Hill, New South Wales, Australia. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Rasvumite

Comments: Opaque dull orange fibrous rasvumite masses.
Location: Coyote Peak, Humboldt County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rasvumite

Comments: Reddish brown micro crystals of rasvumite in vugs to about 0.75mm.
Location: Kirovskiy mine, Khibina massif, Kola Peninsula, Russia. Scale: 3.5 x 2.5 x 2.5cm.
© Tom Loomis / Dakota Matrix

Rathite

Comments: Gray metallic foliated rathite, with pyrite in sugary dolomite.
Location: Lengenbach Quarry, Binnental, Valais, Switzerland. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rathite

Comments: Black prismatic crystal of rathite with glossy surface and red realgar on white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Crystal length 5 mm.
© Walter Gabriel

Rauenthalite

Comments: Bright white botryoidal to transparent colorless prismatic rauenthalite microcrystals.
Location: Gabe Gottes, Sainte-Marie-aux-Mines, Alsace, Haute-Rhin, France. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rauvite

Comments: Irregular grains of dark-colored rauvite in matrix.
Location: Monument No. 2 Mine, Monument Valley, Apache County, Arizona, USA. Scale: Picture size 2.5 mm.
© Paul M. Schumacher

Rauvite

Comments: Brownish-yellow scaly rauvite on sandstone.
Location: Monument Valley, Apache County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ravatite

Comments: Small crystals of ravatite.
Location: Carola Mine, Freital, near Dresden, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Realgar   Duranusite

Comments: Small black Duranusite in orange-red realgar matrix.
Location: Duranus, Alpes-Maritimes, Provence-Alpes-C?te d'Azur, France. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Realgar

Comments: Sharp, dark red crystals of realgar to 2 cm on calcite.
Location: Hunan Province, Chin. Scale: Crystal size 2 cm.
© John Attard

Realgar   Rebulite

Comments: Dark gray rebulite grain in red, massive realgar.
Location: Allchar, Roszdan, FYR Macedonia. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Realgar   Vrbaite

Comments: Black grain of vrbaite in red realgar matrix.
Location: Allchar, Roszdan, FYR Macedonia. Scale: Picture size 1.7 mm.
© Thomas Witzke / Abraxas-Verlag

Rebulite   Realgar

Comments: Dark gray rebulite grain in red, massive realgar.
Location: Allchar, Roszdan, FYR Macedonia. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Rectorite

Comments: Blue Mountain District, Marble Township, Garland Co., Arkansas, USA.
Location: Five pieces of leather-like fragments of rectorite in twisted, irregular shapes. Scale: Specimen size 1-4 cm.
© John Betts - Fine Minerals

Reddingite

Comments: Opaque brown crystalline reddingite.
Location: Tip Top Quarry, Custer County, South Dakota, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Reddingite

Comments: Brown crystals of reddingite on matrix.
Location: Boa Vista creek, Minas Gerais, Brazil. Scale: Crystal size 1 mm.
© Minernet

Reddingite

Comments: Golden brown to brown, highly lustrous, pseudo-octahedral crystals of reddinite.
Location: Cigana mine, Galileia, Minas Gerais, Brazil. Scale: Crystal size 0.5 mm.
© Tom Loomis / Dakota Matrix

Redingtonite   Botryogen

Comments: Pale pink granular redingtonite on yellow-brown botryogen.
Location: Redington Mine, Knoxville, Napa County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Redledgeite

Comments: Red Ledge Mine, Washington, Washington District, Nevada Co., California, USA.
Location: Green, massive redledgeite. Scale: Picture size 4.5 mm.
© Thomas Witzke / Abraxas-Verlag

Reedmergnerite

Comments: Peach colored crystalline reedmergnerite in quartz.
Location: Dara-Pioz, Tien-Shan, Tadzhikistan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Reevesite

Comments: Green reevesite coatings on serpentinite rock.
Location: Pacific Asbestos Corporation Mine, near Copperopolis, Tuolumne County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Reichenbachite

Comments: Green crystals of reichenbachite on quartz.
Location: Bergen, near Falkenstein, Vogtland, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Reidite

Comments: Scanning electron microscope photomicrograph of the surface of an etched shocked zircon with a skeletal crystalline phase that may be reidite. X-ray diffraction data indicate that this zircon contains minor amounts of reidite. (AmMin 87:563).
Location: Found in an upper Eocene impact ejecta layer in marine sediments on the upper continental slope off New Jersey and on Barbados. Scale: See Image.
© American Mineralogist

Reinhardbraunsite   Brownmillerite

Comments: Pink crystalline reinhardbraunsite in brownmillerite.
Location: Near Bellerberg, Eifel, Rheinland-Pflaz, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Renardite

Comments: Bright yellow, tabular crystals of renardite on matrix.
Location: Grury, Saone-et-Loire, France. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Renierite

Comments: Dull dark orange tarnished renierite with brassy chalcopyrite.
Location: Prince Leopold Mine, Kipushi, Shaba, Zaire. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Reppiaite

Comments: Vitreous orange crystals of reppiaite embedded in matrix.
Location: Gambatesa mine, Genova, Ligurai, Italy. Scale: Crystal size 0.5mm.
© Tom Loomis / Dakota Matrix

Retgersite

Comments: Pale blue powdery retgersite on rock.
Location: Mina La Motte, near Frederocktown, Madison County, Missouri, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rhabdophane-(Ce)

Comments: White acicular crystals rhabdophane-(Ce) on matrix.
Location: Reinersreuth Quarry (K?hlerloch), Gro?er Waldstein, Wei?enstadt, Fichtelgebirge, Bavaria, Germany. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Rheniite   IMA1999-004a

Comments: Specimen covered with rheniite as micro crystals to .25 mm across.
Location: Kudryaviy Volcano, Iturup Island, Kurilian Chain, Russia. Scale: 4.7 x 3 cm.
© John Veevaert

Rhenium

Comments: Dark gray metallic rhenium flakes.
Location: Transbaikalia Region, Chita District, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rhodesite   Magadiite

Comments: Earth pale tan massive magadiite with dark yellow crystalline rhodesite.
Location: East Fork, Trinity River, Trinity County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rhodesite

Comments: Pearly white to tan rhodesite crusts.
Location: Quarter-mile east of Trinity River, Trinity County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rhodizite

Comments: Two large, blocky, greenish crystals of rhodizite on matrix.
Location: Antsogombato, Antsirabe, Madagascar. Scale: 2.6 x 2.5 cm.
© Fabre Minerals

Rhodizite

Comments: Several yellow, gemmy crystals of rhodizite frozen in a feldspar matrix.
Location: Sahanivotry, Sahatany Valley, Madagascar. Scale: 3 x 2.5 x 2 cm.
© Isaias Casanova / IC Minerals

Rhodochrosite   Helvite

Comments: Yellow crystals of helvite on quartz and pink rhodochrosite.
Location: Galerie Elisabeth, Cavnic, Maramures, Romaina. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Rhodochrosite

Comments: Cherry red rhodochrosite with quartz, tetrahedrite, chalcopyrite and fluorite matrix.
Location: Rivas Pocket, Fluorite Raise, Sweet Home mine, Alma, Colorado, USA. Scale: 8 x 8cm..
© Fabre Minerals

Rhodonite

Comments: Light red rhodonite and minor quartz.
Location: Chiurucu mine, Dos de Mayo, Peru. Scale: 3 x 3.5 cm.
© Fabre Minerals

Rhodonite   Akatoreite

Comments: Brown akatoreite in pink rhodonite.
Location: Akatore Creek, Eastern Otago Peninsula, South Island, New Zealand. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rhodonite   Caryinite

Comments: Yellow crystalline caryinite with pink rhodonite.
Location: Langban, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rhodonite

Comments: Deep red blocky prismatic crystals of rhodonite to 3cm.
Location: Broken Hill mine, New South Wales, Australia. Scale: 6.5 x 5 x 4cm.
© Tom Loomis / Dakota Matrix

Rhomboclase

Comments: Platy crystal rhomboclase spray.
Location: Rio Tinto, Andalucia, Spain. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rhonite

Comments: Brown, striated, tabular crystal of rhonite on matrix.
Location: Sattleberg, Laacher See, Rhineland-Pal., Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Richellite

Comments: Khaki-colored earthy richellite masses.
Location: Richelle, near Vise, Liege, Belgium. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Richelsdorfite

Comments: Greenish rounded aggregates of richelsdorfite on matrix.
Location: Wilhelm Mine; Wechselschacht, near Bauhaus, Richelsdorf District, Hesse, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Richterite   Calzirtite   Augite

Comments: Gray irregular grain of calzirtite (see arrow) in fibrous augite with dark red richterite.
Location: Jacupiranga Mine, Cajati, Sao Paulo, Brazil. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Richterite

Comments: Richterite crystal in tan calcite.
Location: Bancroft, Ontario, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Riebeckite

Comments: Grayish black, coniform, massive crystals of riebeckite.
Location: Cape Province, South Africa. Scale: 8x6 cm.
© Dave Barthelmy

Rilandite

Comments: Dark brown opaque resinous rilandite cleavage fragment.
Location: J. L. Riland Claim, near Meeker, Rio Blanco County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rinneite   Carnallite

Comments: Orange to light brown rinneite with colorless carnallite.
Location: Merkers, Bad Salzungen, Rh?n, Thuringia, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Rivadavite

Comments: Translucent white rivadavite nodule with some adhering earthy material.
Location: Tincalayu, Salta Province, Argentina. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Riversideite

Comments: Opaque off-white finely fibrous riversideite veins in vesuvianite / grossular matrix.
Location: Crestmore Quarry, Riverside County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Robertsite   Carbonate-hydroxylapatite   Apatite

Comments: Black crystals of Robertsite on pink carbonate-hydroxylapatite.
Location: Tip Top mine, Custer, Custer County, South Dakota, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Robinsonite

Comments: Dark gray, prismatic-acicular crystals of robinsonite on white marble.
Location: Pitone Quarry, Seravezza, Lucca, Italy. Scale: Picture size 2 cm.
© Dave Barthelmy

Rockbridgeite

Comments: Black cruciform twins of rockbridgeite on siderite.
Location: Big Chief mine, Keystone, Pennington County, South Dakota, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Rockbridgeite   Stewartite

Comments: Pointed, brownish yellow stewartite crystals on massive, dark rockbridgeite.
Location: Hagendorf, Bavaria, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Rockbridgeite   Wilhelmvierlingite

Comments: Yellow brown crystals wilhelmvierlingite with black rockbridgeite.
Location: Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Waidhaus, Vohenstrau?, Oberpfalz, Bavaria, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Rockbridgeite   Tinsleyite   Phosphosiderite

Comments: Violet botryoidal tinsleyite on bluish-purple botryoidal phosphosiderite on dark, massive rockbridgeite.
Location: Bendada, Guarda, Portugal. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rockbridgeite   Lindbergite

Comments: Rare organic mineral - lindbergite (Mn dihydrate oxalate) in white patches on rockbridgeite matrix.
Location: Boca Rica mine, Sapucaia do Norte, Gilileia, Minas Gerais, Brazil. Scale: Spot size 1 mm.
© Tom Loomis / Dakota Matrix

Rodalquilarite

Comments: Green crystals of rodalquilarite on matrix.
Location: Tombstone, Tombstone District, Cochise Co., Arizona, USA. Scale: Picture size 4 m.
© Thomas Witzke / Abraxas-Verlag

Rodalquilarite   Schieffelinite

Comments: Creamy white Schieffelinite with minor green rodalquilarite.
Location: Tombstone, Tombstone District, Cochise Co., Arizona, USA. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Rodolicoite   Grattarolaite

Comments: Brown grattarolaite, intimately intergrown with brown rodolicoite.
Location: Castelnuovo Mine, Santa Barbara lignite district, San Giovanni Valdarno, Valdarno (Val d'Arno), Arezzo Province, Tuscany, Italy. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Roeblingite

Comments: Pure white opaque porcelaneous roeblingite mass.
Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Roedderite

Comments: Deep green transparent roedderite microcrystal.
Location: Bellerberg, Eifel, Rheinland-Pflaz, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Roggianite

Comments: Glassy white fibrous roggianite aggregate.
Location: Murzinka, Sverdlovsk District, Middle Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rokuhnite   Carnallite

Comments: Reddish brown rokuhnite, with carnallite (deliquescent).
Location: Salzdetfurth Mine, Hildesheim, near Hanover, Niedersachsen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Romanechite

Comments: Black botryoidal roman?chite.
Location: Callenberg North (no. 2) open cut, Callenberg, Glauchau, Saxony, Germany. Scale: Specimen size 9 mm.
© Thomas Witzke / Abraxas-Verlag

Romarchite

Comments: SEM photograph of romarchite precipitating on quartz sand grains on the surface of a pewter artifact. (Geoarchaeology, 19:538).
Location: Wreck of the Queen Anne?s Revenge (A.D. 1718). Scale: Scale Bar 30 µm.
© Geoarchaeology

Romeite

Comments: Tan fibrous romeite on quartz.
Location: Sant Marcel, Piemonte, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Romerite

Comments: Massive, pale reddish-brown R?merite.
Location: Willi Agatz Mine, Dresden, Saxony, Germany. Scale: Specimen size 5.8 cm.
© Thomas Witzke / Abraxas-Verlag

Ronneburgite

Comments: Reddish-brown crystals of ronneburgite on matrix.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Rontgenite-(Ce)

Comments: Gemmy and lustrous rontgenite-(Ce) crystals to 1.5 mm on an albite matrix.
Location: Narsarsuk, Igaliko, Greenland. Scale: 3.7 x 1.5 cm.
© John Veevaert

Rooseveltite

Comments: Gray glassy crystalline rooseveltite with purple fluorite.
Location: Josef Fluorite Mine, Krune Hora Mountains, near Teplice, Seversocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rorisite

Comments: Colorless to white tabular crystals of Rorisite. Rorisite is extremely hygroscopic and must be stored in closed vials. The picture was made through the vial.
Location: Kopeisk, Chelyabinsk Oblast', Urals Region, Russia. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Rosasite

Comments: Rosasite on malachite after azurite. Blocky crystals of azurite to 2.5 cm in size, completely altered to malachite, then coated by pale sky-blue rosasite.
Location: Silver Bill mine, Gleeson, Cochise Co., Arizona, USA. Scale: 4 x 7.5 x 2 cm.
© Dan Weinrich

Roscherite   Hurlbutite

Comments: White, round crystal clusters of hurlbutite on reddish brown roscherite.
Location: Tip Top mine, Custer, Custer County, South Dakota, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Roscherite   Parafransoletite

Comments: White, crystalline aggregate sprays of parafransoletite on dark reddish brown roscherite with massive, white, sucrosic whitlockite.
Location: Tip Top mine, Custer County, South Dakota, USA. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Roscherite   Englishite

Comments: Black crystalline aggregate of roscherite on white englishite.
Location: Tip Top mine, Custer, Custer County, South Dakota, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Roscherite   Viitaniemiite

Comments: Colorless to pink viitaniemiite with brownish roscherite.
Location: Greifenstein Rocks, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Roscherite   Ushkovite

Comments: Translucent ushkovite microcrystals with orange roscherite on feldspar.
Location: Galileia, Minas Gerais, Brazil. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Roscoelite

Comments: Dull olive green fine grained roscoelite cementing sandstone.
Location: Rifle Mine, Garfield County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Roselite

Comments: Gemmy crystals of roselite.
Location: Bou Azzer, Anti-Atlas Mts., Morocco. Scale: Crystal size 3 mm.
© John Veevaert

Roselite-beta

Comments: Clear, rose-colored roselite-beta crystalline grains.
Location: Bou Azzer, Anti-Atlas Mountains, Morocco. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Roselite-beta

Comments: Deep red, well crystallized roselite-beta covering a small pocket in white calcite.
Location: Ahrbar, Bou-Azzer area. Scale: 7 x 4 x 4.5 cm.
© Fabre Minerals

Rosenbergite

Comments: Colorless prismatic crystals of rosenbergite on a dark matrix.
Location: Cetine di Cotorniano Mine (Cetine Mine; Tafone Mine), Rosia, Siena, Tuscany, Italy. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Rosenbuschite

Comments: Tan prismatic crystalline rosenbuschite in schist.
Location: Norra Karr, Jonkoping, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rosenhahnite

Comments: Crystalline massive rosenhahnite.
Location: Near Healdsburg, Mendocino County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rosiaite   Valentinite

Comments: Beige crystals of rosiaite with a colorless valentinite prism.
Location: Tafone Mine, Manciano, Grosseto, Tuscany, Italy. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Rosickyite

Comments: Orange selenian rosickyite (containing 48.9 wt-% Se).
Location: Lichtenberg Mine, Ronneburg U Deposit, Gera district, Thuringia, Germany. Scale: Picture size 8 mm.
© Thomas Witzke / Abraxas-Verlag

Rossite

Comments: Scaly crystalline rossite on silty sandstone.
Location: Buckhorn Mine, San Miguel County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rosslerite

Comments: Colorless crystals of r?sslerite.
Location: J?chymov (St Joachimsthal), Krusn? Hory (Erzgebirge), Z?padocesk? Kraj, Bohemia, Czech Republic. Scale: Picture size 3.5 mm.
© Thomas Witzke / Abraxas-Verlag

Rossmanite

Comments: Pale pink to tan translucent prismatic rossmanite crystals.
Location: Near Rozna, Western Moravia, Jihomoravsky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rostite   Clairite

Comments: Brownish crystals of clairite on white massive rostite.
Location: Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Rostite

Comments: White crystals of rostite on a dark matrix.
Location: Alsdorf, Aachen, North Rhine-Westphalia, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Roweite

Comments: Pinkish nodular massive roweite.
Location: Solongo, Republic of Buryatia, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rozenite   Ferrinatrite   Copiapite

Comments: White powdery rozenite coating with yellow ferrinatrite on purple copiapite.
Location: Le Cetine Mine, Siena, Tuscany, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rubicline

Comments: Rubicline (white) including grains of quartz (black) in microcline (gray) associated with albite (black) and muscovite (mottled dark gray). BSE image (AmMin, 83:1336).
Location: Pollucite-bearing rare-element pegmatite at San Piero in Campo, Elba, Italy. Scale: Grain size 20 µm.
© American Mineralogist

Ruizite   Inesite

Comments: 1- 3 mm crystal spray of red orange ruizite in an exposed vug in pink inesite.
Location: Wessels Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: Picture size 1 cm.
© John Veevaert

Ruizite

Comments: Deep reddish brown crystals of ruizite as radial, acicular sprays to 0.1mm.
Location: Christmas mine, Gila Co., Arizona, USA. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Rusakovite

Comments: Orange-brown rusakovite coatings on dark brown sandstone.
Location: Long Park, Montrose County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Russellite

Comments: Pale yellowish beige veinlet and thin crusts of russellite.
Location: Himmelfahrt Mine, Steinbach, Johanngeorgenstadt, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Rustenburgite   Tatyanaite

Comments: Back-scattered electron images showing inclusions of rustenburgite intergrown with taimyrite-tatyanaite aggregates. (AmMin, v 42, p 608).
Location: Kondyor PGE placer, Khabarovskiy Kray, eastern Siberia, Russia. Scale: See Image.
© American Mineralogist

Rustumite   Dellaite

Comments: White grains of dellaite, intermixed with rustumite.
Location: Queretaro, Zacatecas, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Rutheniridosmine

Comments: Grain