This exceptional mineral specimen features lustrous cassiterite crystals beautifully associated with topaz, creating a stunning display of contrasting textures and colors. The cassiterite exhibits the characteristic metallic to sub-metallic luster with deep brown to black coloration, while the accompanying topaz provides brilliant transparency and glassy brilliance.

Horni Slavkov (Schlaggenwald)

Karlovy Vary Region

Bohemia, Czech Republic

3x3x2cm, 40g