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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
Comments: Dark red crystals and aggregates of imhofite in matrix. Location: Lengenbach quarry, Binntal, Wallis (Valais), Switzerland. Scale: Picture size 1.2 mm. © Thomas Witzke / Abraxas-Verlag