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Baumhauerite: Pb3As4S9
Comments: Black, rounded, specular baumhauerite crystal on white dolomite. Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Picture width 1 cm. © Walter Gabriel
Baumhauerite-2a: Pb3As4S9 Sphalerite: (Zn,Fe)S
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
Dufrenoysite: Pb2As2S5
Comments: Single, black dufrénoysite crystal in a vug in white dolomite. Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Crystal size 2.5 mm. © Walter Gabriel
Edenharterite: TlPbAs3S6
Comments: Submetallic, deep brownish black crystalline aggregate of edenharterite crystals in white dolomite. Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Crystal size 2 mm. © Walter Gabriel
Hatchite: (Pb,Tl)2AgAs2S5
Comments: Specular, black aggregate of hatchite crystals with red realgar on white dolomite. Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Big crystal 1.5 mm. © Walter Gabriel
Hutchinsonite: (Pb,Tl)2As5S9
Comments: Transparent, striated, cherry-red crystal of hutchinsonite on white dolomite. Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Crystal size 1 mm. © Walter Gabriel
Comments: Aggregate of red colored needles of hutchinsonite on white dolomite. Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Picture width 6 mm. © Walter Gabriel
Imhofite: Tl6CuAs16S40
Comments: Spherical, spikey-radial brownish black aggregate of imhofite with blocky gray sulfosalt on white dolomite. Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Picture width 3 mm. © Walter Gabriel
Jentschite: TlPbAs2SbS6
Comments: Black and dark red translucent needles of jentschite on white dolomite. Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Picture width 1 cm. © Walter Gabriel
Jordanite: Pb14(As,Sb)6S23
Comments: Pseudo-hexagonal, metallic gray crystal of jordanite with purple tarnish on white dolomite. Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Crystal size 2 mm. © Walter Gabriel