標 本 名: | マイクロ石(Microlite) (细晶石) / 錫石 (すずいし) (Cassiterite (Tinstone)) / トパーズ (Topaz)
| 化学組成: | (Ca,Na)2Ta2O6(O,OH,F) / SnO2 / Al2SiO4(F,OH)2 | サ イ ズ: | | 重量: | | 透明: | | 数量: | | 産地: | Bisil, Basha Valley (Basha Nala; Basna), Skardu District, Baltistan, Northern Areas, パキスタン (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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