Mineral: | Tourmaline, Variety: Elbaite - Schorl | Chemical Formula: | Na(Li1,5AL1,5)Al6(BO3)3[Si6O18](OH)3(OH) -NaFe3+2Al6(BO3)3[Si6O18](OH)3 | Size: | | Weight: | | Transparence: | | Quantity: | | Origin: | Chamachhu, Stak Nala, Haramosh Mts., Skardu District, Baltistan, Northern Areas, Pakistan | Beautiful tourmaline twin with great color zoning. The specimen displays black, green and colorless parts. The crystal sprays at the sides and the terminations are a achroite tourmalines ! A few of those showing at the base some pinkish hues as well. Great specimen with good luster.

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