Rob Lavinsky's Image Gallery

Cafarsite: Ca8(Ti,Fe++,Fe+++,Mn)6-7(As+++O3)12·4(H2O)

Comments: Small, cubic crystal of cafarsite on matrix.
Location: Wannigletscher, Binntal, Switzerland. Scale: Crystal size 0.5 cm.
© Rob Lavinsky

Ettringite: Ca6Al2(SO4)3(OH)12·26(H2O)

Comments: Doubly-terminated crystals of glassy yellow ettringite on matrix.
Location: N'Chwaning Mine, near Kuruman, South Africa. Scale: Crystal size 4 cm.
© Rob Lavinsky

Ferrierite-Mg: (Mg,Na,K)2Mg(Si,Al)18O36·9(H2O)

Comments: Orange, druzy crusts of ferrierite-Mg lining a pocket.
Location: Monte Lake, Kamloops Mining Division, British Columbia, Canada. Scale: Specimen Size 3.2 x 2.6 x 2.5 cm.
© Rob Lavinsky

Ferronigerite-2N1S: (Zn,Mg,Fe++)(Sn,Zn)2(Al,Fe+++)12O22(OH)2

Comments: Hexagonal crystal of ferronigerite-2N1S with an inset back-light image showing the deep brown tranparency.
Location: Stiepelmann Mine, Arandis, Swakopmund District, Erongo Region, Namibia. Scale: Crystal Size 1.0 x 0.8 x 0.1 cm.
© Rob Lavinsky

Fillowite: Na2Ca(Mn,Fe++)7(PO4)6

Comments: Brown fillowite lining vugs in matrix.
Location: Sullivan Mine, Sullivan, New Hampshire. Scale: Specimen Size 4.8 x 3.9 x 1.5 cm.
© Rob Lavinsky

Fraipontite: (Zn,Al)3(Si,Al)2O5(OH)4  
Zinalsite: Zn2AlSi2O5(OH)4·2(H2O) (?)  
Smithsonite: ZnCO3

Comments: Pearly white, sub-mm fraipontite (zinalsite) crystals associated with green smithsonite.
Location: Lavrion District Mines, Lavrion District, Attikí (Attica; Attika) Prefecture, Greece. Scale: Specimen Size 1.4 x 1.0 x 0.9 cm.
© Rob Lavinsky

Franckeite: (Pb,Sn)6Fe++Sn2Sb2S14  
Potosiite: Pb6Sn2FeSb2S14

Comments: Visually indistinguishable metallic potosiite/franckeite crystals to 6 mm..
Location: San Jose mine, Oruro City, Oruro Department, Bolivia. Scale: Crystal size 6 mm.
© Rob Lavinsky

Gmelinite-Ca: (Ca,Na2)Al2Si4O12·6(H2O)

Comments: Tanslucent, salmon-colored gmelinite-Ca crystals.
Location: Sarbaiskoe deposit (Sarbai; Sarbay Mine), Qostaney Oblysy (Kostanai [Kustany] Oblast'), Kazakhstan. Scale: Specimen Size 7.9 x 5.9 x 5.1 cm.
© Rob Lavinsky

Guimaraesite: Ca2(Zn,Mg,Fe)5Be4(PO4)6(OH)4·6H2O

Comments: Botryoidal guimaraesite on eosphorite.
Location: Piaul District, Itinga, Minas Gerais, Brazil. Scale: Specimen size 1.1 x 0.9 x 0.8 cm.
© Rob Lavinsky

Haineaultite: (Na,Ca)5Ca(Ti,Nb)5(Si,S)12O34(OH,F)8·5(H2O)

Comments: Transparent, yellow crystals to 5 mm of haineaultite on matrix.
Location: Mont St. Hilaire, Quebec, Canada. Scale: Picture size 1.5 cm.
© Rob Lavinsky

Henritermierite: Ca3(Mn,Al)2(SiO4)2(OH)4

Comments: Dark brown octahedral henritermierite crystal on massive material.
Location: Wessels Mine, Kalahari Manganese Fields, Northern Cape Province, South Africa. Scale: Specimen Size 4.5 x 4 x 3 cm.
© Rob Lavinsky

Heterogenite-3R: Co+++O(OH)

Comments: Black, botryodal heterogenite with green chrysocolla.
Location: Star of the Congo Mine, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre). Scale: Specimen Size 11.6 x 9.9 x 5.6cm.
© Rob Lavinsky

Keyite: Cu++3(Zn,Cu)4Cd2(AsO4)6·2(H2O)

Comments: Brilliant blue keyite crystals on a matrix of white, metallic suflide-arsenide ore.
Location: Tsumeb, Namibia. Scale: 0.9 x 0.7 x 0.7 cm.
© Rob Lavinsky

Lawsonbauerite: (Mn,Mg)9Zn4(SO4)2(OH)22·8(H2O)

Comments: Brown, bladed coating of lawsonbauerite crystals on white calcite.
Location: Sterling Hill, Ogdensburg, Sussex Co., New Jersey, USA. Scale: Specimen Size 8 x 7 x 4 cm.
© Rob Lavinsky

Milarite: K2Ca4Al2Be4Si24O60·(H2O)

Comments: Blocky, barrel-shaped crystal of milarite on muscovite..
Location: Jagauaracu, Minas Gerais, Brazil. Scale: Crystal size 2.5 x 1 x 1 cm.
© Rob Lavinsky

Mimetite: Pb5(AsO4)3Cl  
Wulfenite: PbMoO4

Comments: Gemmy, pale yellow mimetite crystal with brownish-orange wulfenite. Former James and Dawn Minette Collection.
Location: Gem Pocket 1971, Tsumeb, Namibia. Scale: 2 x 1 x 1 cm.
© Rob Lavinsky

Moschellandsbergite: Ag2Hg3

Comments: Moschellandsbergite 4mm crystal on matrix.
Location: Carolina Mine, Moschellandsberg, Obermoschel, Rhineland-Palatinate, Germany. Scale: Specimen Size 6.0 x 4.8 x 4.0 cm.
© Rob Lavinsky

Mroseite: CaTe++++(CO3)O2

Comments: White, flaky patches of mroseite in complex ore matrix.
Location: Bambolla Mine, Moctezuma, Sonora, Mexico. Scale: Not Given.
© Rob Lavinsky

Natrophilite: NaMnPO4

Comments: Natrophilite with lithiophilite.
Location: Abija N. Fillow Quarry (Branchville Quarry), Branchville, Redding, Fairfield Co., Connecticut, USA. Scale: Specimen Size 3.7 x 2.2 x 1.9 cm.
© Rob Lavinsky

Ottensite: Na3(Sb2O3)3(SbS3)·3H2O

Comments: Red-brown crusts of ottensite on stibnite.
Location: Qinglong (Dachang) Sb-Au deposit, Qinglong Co., Qianxi'nan Autonomous Prefecture, Guizhou Province, China. Scale: Specimen size 5.2 x 3.0 x 2.9 cm.
© Rob Lavinsky