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Comments: Tabular crystals of quadratite with small silvery gray, rounded crystals of galena.
Location: Lengenbach quarry, Binntal, Wallis (Valais), Switzerland.
Scale: Picture size 0.8 mm.
© Thomas Witzke / Abraxas-Verlag
Comments: Aggregate of 3 black tabular crystals of quadratite (reflecting light) on jordanite/lengenbachite and white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland.
Scale: Crystal size 0.2 mm.
© Walter Gabriel