Childrenite and Topaz

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Skardu District, Baltistan, Northern Areas, Pakistan

Reference: 286

Interesting and unusual specimen. Two topaz crystals, the largest 22x18mm with a cloudy upper half which becomes transparent lower down have scattered over them perfectly formed straw coloured childrenite crystals up to 4mm and mica. The smaller topaz crystal has edge contact.

Formula: Childrenite (Fe²⁺,Mn²⁺)Al(PO₄)(OH)₂^.H₂O : Topaz Al₂(SiO₄)(F,OH)₂