Mineral: | Microlite / Cassiterite / Topaz
| Chemical Formula: | (Ca,Na)2Ta2O6(O,OH,F) / SnO2 / Al2SiO4(F,OH)2 | Size: | | Weight: | | Transparence: | transparent - translucent | Quantity: | | Origin: | Bisil, Basha Valley (Basha Nala; Basna), Skardu District, Baltistan, Northern Areas, Pakistan | Here you get a very rare paragenesis of yellow microlite on cassiterite with topaz crystals. The yellow microlite crystals are not damaged and is partly overgrown by albite and quartz crystals. There are 4 fully intact Topaz crystals grown on cassiterite. Beautiful and rare mineral association from Pakistan!
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