Mineral: | Tourmaline, Variety: Elbaite & Schorl / Feldspar, Variety: Albite/ Mica, Variety: Muscovite / Quartz
| Chemical Formula: | Na(Li1,5AL1,5)Al6(BO3)3[Si6O18](OH)3(OH) - NaFe3+2Al6(BO3)3[Si6O18](OH)3(OH) / NaAlSi3O8 / KAl2(Si3Al)O10(OH,F)2 / SiO2 | Size: | 73,0 x 57,5 x 35,3
crystal: 43,0 x 7,3 x 7,2 mm | Weight: | | Transparence: | | Quantity: | | Origin: | Chamachhu, Stak Nala, Haramosh Mts., Skardu District, Baltistan, Northern Areas, Pakistan | beautiful clear tourmaline crystal disclosing from deep-green to colorless ranging color spectrum. the termination of the crystal is fully intact slightly covered by unknown mineral, the broad-leaved muscovite crystals are covered by the same mineral. Beautiful composed tourmaline matrix specimen from the Stak Nala.
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