Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.
Quadratite: Ag(Cd,Pb)AsS3
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
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