Schorl, Herderite & Topaz

Skurdu District, Baltistan, Northern Areas, Pakistan


Two fine Schort (tourmaline) crystals, both double terminated, with the added interest of a part coating of herderite and a small area of topaz crystals.

Formula: Schorl: NaFe2+3Al6(Bo3)3(Si6O18)(OH)4; Herderite CaBePO4 (F,OH); Topaz Al2SiO4(F,OH)2


Status: Available

Dimensions: 75x30x26mm

Size: Small Cabinet (S)

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