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Hydroxylherderite With Topaz

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KRM36723

Hydroxylherderite With Topaz

Description Tabs

Description
Locality: 
Yuno, Shigar Valley, Baltistan, Gilgit-Baltistan, Pakistan
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.3 × 3.4 × 1.6 cm
Description

A rare calcium beryllium phosphate mineral hydroxylherderite cluster in combination with topaz.

This specimen does not have any damage , some natural etching can be seen through herderite.

A really nice good combination

Mineral Data
What's on the rock

Hydroxylherderite

Formula: 
CaBe(PO4)(OH,F)
Strunz: 
8.BA.10
Crystal System: 
Monoclinic
Hardness: 
5.0 - 5.5
Streak: 
white

Topaz

Formula: 
Al2(SiO4)(F,OH)2
Strunz: 
9.AF.35
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
8.0
Streak: 
White

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