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Tourmaline Var Verdelite With Lepidolite & Cleavelandite

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RHT865679

Tourmaline Var Verdelite With Lepidolite & Cleavelandite

ex collection Dieter Müller, Idar-Oberstein
Classic Locality

Description Tabs

Description
Locality: 
Itinga, Minas Gerais, Brazil
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 2.4 × 1.9 cm
Weight: 
14.00gr
Description

Translucent green, in parts gemmy verdelite crystals with grayish lepidolite and colorless cleavelandite.

Mineral Data
What's on the rock

Tourmaline

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

Verdelite

Variety Of: 

Tourmaline

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

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

Cleavelandite

Variety Of: 

Albite

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