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Tourmaline With Lepidolite

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KRM85131

Tourmaline With Lepidolite

Description Tabs

Description
Locality: 
Shamakat Pegmatite Field, Mihtarlam District, Laghman Province, Afghanistan
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 1.6 × 1 cm
Description

A very good cluster of green perfect crystals of tourmaline incombination with lepidolite.

Undamaged.

 

Mineral Data
What's on the rock

Tourmaline

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

Lepidolite

Synonym Of: 

Mica Group

Formula: 
KLi2Al(Si4O10)(F,OH)2 to K(Li1.5Al1.5)(AlSi3O10)(F,OH)2
Group Parent: 
Mica
Hardness: 
2.5 - 3.5
Colour: 
Pink, light purple, light rose red
Streak: 
White

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