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Pollucite With Tourmaline Var Achroite

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KRM733662

Pollucite With Tourmaline Var Achroite

Description Tabs

Description
Locality: 
Chhappu, Braldu Valley, Skardu, Gilgit-Baltistan, Pakistan
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.4 × 1 cm
Description

A very good nice combination specimen of well terminated pollucite crystals incombination with achroite varity of tourmaline , nice example specimen from the locality.

Mineral Data
What's on the rock

Pollucite

Formula: 
(Cs,Na)2(Al2Si4O12)·2H2O
Strunz: 
9.GB.05
Hardness: 
6.5
Streak: 
white
Type Locality: 
La Speranza (Pisani's Quarry), San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy...

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Crystal System: 
Trigonal
Hardness: 
7

Achroite

Variety Of: 

Tourmaline

Formula: 
A(D3)G6(T6O18)(BO3)3X3Z
Hardness: 
7
Hardness: 
0.0
Colour: 
Clear
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