Mineral: | Topaz / Quartz / Feldspar, Albite, Variety: Cleavelandite / Muscovite
| Chemical Formula: | Al2SiO4(F,OH)2 / SiO2 / NaAlSi3O8 / KAl2(Si3Al)O10(OH,F)2 | Size: | | Weight: | | Transparence: | | Quantity: | | Origin: | Sakangyi area, west of Mogok, Shan State, Burma (Myanmar) | This cabinet specimen displays 5 topaz crystals in matrix with company of smokey quartz and cleavelandite. Only the smallest crystal shows a crystalline fracture face. The other crystals are fine terminated, all disclosing cutting grade transparency. The longest crystal is measuring 21 x 17 mm in size.
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