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Tourmaline & Cleavelandite

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MGR664228

Tourmaline & Cleavelandite

Description Tabs

Description
Locality: 
Paprook, Nuristan Province, Afghanistan
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 2.1 × 1.5 cm
Description

A very nice sample for this well-known locality. Usually crystals show just black color with minor green, this one shows a large intense pink area, as well a green zoning at the bottom. The crystal is double-terminated, pyramidal at the top and plan at the bottom. Further it shows a very nice contrast with intergrown snowy white Cleavelandite. Sharp terminated and very glossy all around.No significant demages to report.

Mineral Data
What's on the rock

Tourmaline

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

Cleavelandite

Variety Of: 

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Hardness: 
6.0 - 6.5
Hardness: 
0.0