John Veevaert's Image Gallery

Florencite-(Ce): CeAl3(PO4)2(OH)6

Comments: Butterscotch colored florencite-(Ce) on a quartz crystal.
Location: Brumado, Bahia, Brazil. Scale: Crystal size 4 mm.
© John Veevaert

Fluorbritholite-(Ce): (Ca,Ce,La,Na)5(SiO4,PO4)3(OH,F)

Comments: Amorphous (metamict) grain of fluorbritholite-(Ce) on matrix.
Location: Norra Karr, Grena, Jonkoping, Sweden. Scale: Crystal size 1 cm.
© John Veevaert

Fluorite: CaF2

Comments: Cubic fluorite crystals with octahedral galena crystals. The largest crystal is 2.1 cm across. Note the exceptional fluorescence of these crystals.
Location: Rogerley Mine, in Weardale, England. Scale: 7.8 x 5.5.
© John Veevaert

Francevillite: (Ba,Pb)(UO2)2V2O8·5(H2O)

Comments: Specimen of orange francevillite with minor yellow curienite.
Location: Mouana Mine, Gabon. Scale: Crystal size 4 mm.
© John Veevaert

Franklinite: (Zn,Mn++,Fe++)(Fe+++,Mn+++)2O4

Comments: Black, octahedral franklinite crystals to 1.4 cm across on white calcite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: 2.9 x 2 cm.
© John Veevaert

Fresnoite: Ba2TiSi2O8

Comments: Yellow to peach colored crystals of fresnoite.
Location: Junnila Mine, San Benito County, California, USA. Scale: Crystal size 5 mm.
© John Veevaert

Gageite: (Mn,Mg,Zn)42Si16O54(OH)40

Comments: Preserved sprays of inesite completely replaced by tan-colored gageite crystals.
Location: N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: 5 x 4.6 cm.
© John Veevaert

Galena: PbS

Comments: Galena on pyrrhotite. The crystals of galena reach to 1.5 cm across. All are cubic with octahedral modifications.
Location: Dal'Negorsk, Russia. Scale: 8x10 cm.
© John Veevaert

Galkhaite: (Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12

Comments: Cherry red crystals of galkhaite on matrix.
Location: Getchell mine, Humboldt County, Nevada, USA. Scale: Crystal size 1 mm.
© John Veevaert

Gaudefroyite: Ca4Mn+++3-x(BO3)3(CO3)(O,OH)3

Comments: Dark gray, prismatic gaudefroyite with crystals to 1.5 cm.
Location: N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: 7.8 x 4.2 cm.
© John Veevaert

Gersdorffite: NiAsS

Comments: Massive to coarse-grained lead-gray gersdorffite crystals.
Location: Ait Ahmane Mine, Bou Azzer, Anti Atlas Mts., Morocco. Scale: Not Given.
© John Veevaert

Gibbsite: Al(OH)3

Comments: Transparent to white, tabular-prismatic gibbsite crystals.
Location: Saga Quarry, Langesundfjord, Oslo Region, Norway. Scale: Crystal size 1 mm.
© John Veevaert

Goethite: Fe+++O(OH)  
Laubmannite: Fe++3Fe+++6(PO4)4(OH)12

Comments: Reddish brown goethite hosting radiating sprays of olive green laubmannite to 3 cm across.
Location: Buckeye Mountain, Polk County, Arkansas, USA. Scale: 10.5 x 7.5 cm.
© John Veevaert

Gold: Au

Comments: Two skeletal octahedral crystals of gold. Stereo pair images..
Location: Berezovsk Mine, Russia. Scale: Crystal size 1.1 cm.
© John Veevaert

Gormanite: Fe++3Al4(PO4)4(OH)6·2(H2O)

Comments: Elongated, dark bluish green, fibrous crystals of gormanite and quartz on a matrix of quartz and water clear apatite crystals.
Location: Big Fish River, Yukon Territory, Canada. Scale: 4.8 x 3.8 cm.
© John Veevaert

Goudeyite: (Al,Y)Cu6(AsO4)3(OH)6·3(H2O)

Comments: Green crusts and micro crystals of goudeyite on matrix.
Location: Majuba Hill, Pershing County, Nevada, USA. Scale: Specimen size 1x3 cm.
© John Veevaert

Gratonite: Pb9As4S15

Comments: Crystal cluster of gratonite. The largest crystal is 2.5 mm across.
Location: Excelsior mine, Cerro de Pasco, Pasco dept., Peru. Scale: 1.5 x 1 cm.
© John Veevaert

Halite: NaCl

Comments: Hoppered pink halite crystals from the evaporation ponds. The pink color is due to the organism Halo bacterium that lives in the concentrated brine.
Location: Searles Lake, Trona, San Bernadino County, California, USA. Scale: Crystal size 2 cm.
© John Veevaert

Halloysite: Al2Si2O5(OH)4  
Pseudomalachite: Cu5(PO4)2(OH)4

Comments: Deep green pseudomalachite crystals on cuprous halloysite.
Location: Black Pine Mine, Philipsburg, Granite Co., Montana, USA. Scale: Crystal size 1-2 mm.
© John Veevaert

Harmotome: (Ba,Na,K)1-2(Si,Al)8O16·6(H2O)

Comments: Root beer colored calcite covered with harmotome crystals from 1 mm to 1 cm.
Location: Strontian Hills, Strontian, Argyll, Scotland. Scale: 5.5 x 4.5 cm.
© John Veevaert