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Comments: Highly lustrous, black, complex sphalerite crystals to 15 mm in size completely covering the top of a sulfide matrix.
Location: Nanisivik mine, Baffin Island, Northwest Territories, Canada.
Scale: 6.5 x 7.5 x 1.8 cm.
© Dan Weinrich
Sphalerite: (Zn,Fe)S Ankerite: Ca(Fe++,Mg,Mn)(CO3)2 Dickite: Al2Si2O5(OH)4
Comments: White, rhombohedral crystals of ankerite and dark gray, metallic sphalerite on beige dickite.
Location: Prego mine, Kladno, Czech Rebublic.
Scale: Picture size 2 cm.
© Dave Barthelmy
Sphalerite: (Zn,Fe)S Baumhauerite-2a: Pb3As4S9
Comments: Dark crystal of baumhauerite-2a (same shape as baumhauerite) with olive-green transparent sphalerite crystal on white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland.
Scale: Picture 2 cm tall.
© Walter Gabriel