Thomas Witzke's Image Gallery

Thomas Witzke's Image Gallery
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images Share
      News Help About

Advertisment
Dakota Matrix was founded in 1996 and has offered systematic and rare mineral specimens online since 1998.
 For more than thirty (30) years, Excalibur Mineral Corp. has been providing private collectors, researchers, major universities and museums throughout the world with reliably identified, rare and unusual mineral samples for science an
 McDougall Minerals sells high-quality mineral specimens from all over the world to collectors of all levels, from beginners to connoisseurs
 Weinrich Minerals, A Dealer in Fine Mineral Specimens - Since 1989. We buy collections and single high quality specimens.

Images from Thomas Witzke

Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.

Pages: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26]
Thomas Witzke's Image Gallery With 518 Images

Schuilingite-(Nd) Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Schuilingite-(Nd): PbCu(Nd,Gd,Sm,Y)(CO3)3(OH)ˇ1.5(H2O)

Comments: Blue crystals of Schuilingite-(Nd).
Location: Kasompi Mine, Kambove, Shaba (Katanga), Congo (Zaďre). Scale: Picture size 1.8 mm.
© Thomas Witzke / Abraxas-Verlag

Schulenbergite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Schulenbergite: (Cu,Zn)7(SO4,CO3)2(OH)10ˇ3(H2O)  
Linarite: PbCu(SO4)(OH)2

Comments: Light greenish rosettes of schulenbergite with small green crystals of ramsbeckite and blue crystals of linarite.
Location: Gelbe Birke Mine, Schwarzenberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Schumacherite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Schumacherite: Bi3[(V,As,P)O4]2O(OH)  
Pucherite: BiVO4

Comments: Brown crystals of pucherite with yellow schumacherite on matrix.
Location: Pucher Shaft, Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Scrutinyite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Scrutinyite: PbO2

Comments: Acicular crystals of scrutinyite.
Location: Hilarion Mine, Agios Konstantinos, Lavrion District, Attikí Prefecture, Greece. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Selenium Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Selenium: Se

Comments: Acicular crystals of native Selenium (up to 1 cm in length).
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Specimen size 3 cm.
© Thomas Witzke / Abraxas-Verlag

Shcherbinaite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Shcherbinaite: V2O5

Comments: Yellow-brown acicular crystals of shcherbinaite.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 1.4 mm.
© Thomas Witzke / Abraxas-Verlag

Shkatulkalite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Shkatulkalite: {(Na,Mn,Ca,[ ])4[Nb2(O,H2O)4Si4O14](OH,F)2}ˇ2(H2O,[ ])  
Manganoneptunite: KNa2Li(Mn,Fe++)2Ti2Si8O24

Comments: Pearly white shkatulkalite with brown mangan-neptunite grains.
Location: Shkatulka pegmatite, Umbozero mine, Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 4.5 mm.
© Thomas Witzke / Abraxas-Verlag

Shortite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Shortite: Na2Ca2(CO3)3

Comments: Colorless crystal of shortite on matrix.
Location: Green River Formation, Sweetwater Co., Wyoming, USA. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Sillenite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Sillenite: Bi12SiO20

Comments: Greenish to yellowish grains of sillénite in matrix.
Location: Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Simonellite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Simonellite: C19H24

Comments: Colorless to white Simonellite on fossil wood.
Location: Fognano, Tuscany, Italy. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Simonkolleite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Simonkolleite: Zn5(OH)8Cl2ˇ(H2O)

Comments: Very small colorless crystals with hexagonal shape of simonkolleite.
Location: Richelsdorf Smelter, Süss, Richelsdorf District, Hesse, Germany. Scale: Picture size 0.8 mm.
© Thomas Witzke / Abraxas-Verlag

Sophiite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Sophiite: Zn2(SeO3)Cl2

Comments: White, tabular crystal of sophiite in matrix.
Location: Great Fissure (Main Fracture) eruption, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Sphaerobertrandite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Sphaerobertrandite: Be3SiO4(OH)2

Comments: White to pale brownish, radial-concentric aggregates of sphaerobertrandite.
Location: Sengischorr Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Srebrodolskite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Srebrodolskite: Ca2Fe+++2O5  
Periclase: MgO

Comments: Black grains of srebrodolskite with white periclase.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Stannopalladinite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Stannopalladinite: (Pd,Cu)3Sn2 (?)

Comments: PPL polished section image of hexagonal crystal of stannopalladinite (white with a very slight pinkish tint) in white atokite. Inset image x-polarizers.
Location: Oktyabrski Mine, Talnakh, Ural, Russia. Scale: Picture Size 0.57 mm.
© Thomas Witzke

Stibivanite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Stibivanite: Sb+++2V++++O5

Comments: Green crystals of stibivanite on matrix.
Location: Buca della Vena Mine, Stazzema (Ponte Stazzemese), Versilia, Apuan Alps, Lucca Province, Tuscany, Italy. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Straczekite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Straczekite: (Ca,K,Ba)(V5+,V4+)8O20ˇ3H2O

Comments: Greenish-black, prismatic-acicular crystals of straczekite.
Location: Union Carbide Mine, Wilson Springs (Potash Sulfur Springs), Garland Co., Arkansas, USA. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Strontioginorite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Strontioginorite: (Sr,Ca)2B14O23ˇ8(H2O)

Comments: Silky white strontioginorite with anhydrite.
Location: Kohnstein Quarry, Harz Mts, Thuringia, Germany. Scale: Sample Size 4 cm.
© Thomas Witzke / Abraxas-Verlag

Sudoite Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Sudoite: Mg2(Al,Fe+++)3Si3AlO10(OH)8  
Manganite: MnO(OH)

Comments: Pinkish to nearly white earthy sudoite with dark manganite.
Location: Ilfeld, Nordhausen, Erfurt district, Harz Mts, Thuringia, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Sulfur Image

Click Here for Larger Image in New Browser Window Images:
Click Here for Larger Image

Sulfur: S8  
Coccinite: Hg++I2 (?)

Comments: Orange-red coccinite on sulfur. Due to the volatility of the mineral at room temperature, the sample is preserved in a closed vial. The photo was made through the vial, therefore the sharpness is reduced.
Location: Lichtenberg Mine, Ronneburg U Deposit, Gera district, Thuringia, Germany. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag
Pages: [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26]
Advertisment
Adamsminerals.com- Online mineral store front for mineral collectors