Mineral: Cassiterite
Locality: Horní Slavkov (Schlaggenwald), Karlovy Vary Region, Bohemia, Czech Republic
Dimensions: 23,5 x 13,0 x 6,0 cm

Description: Main crystal size : 3,3 cm Block of white quartz crystals, slightly tinted by iron oxides and sprinkled with cyclic twins of lustrous black cassiterite. MIM number 1499 Photographer : AINU / Augustin de Valence

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