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Hydroxylherderite With Elbaite

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KRM98086

Hydroxylherderite With Elbaite

Description Tabs

Description
Locality: 
Doko, Basha Valley, Skardu, Gilgit-Baltistan, Pakistan
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.6 × 4.8 × 2.3 cm
Description

A rare gemmy green hydroxylherderite incombination with tiny elbaite over ferldspar matrix.

One edge is of hydroxylherderite is chipped due to mining activity.

 

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

Elbaite

Formula: 
Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.5
Streak: 
White
Type Locality: 
Fonte del Prete, San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy...