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Dravite Rubellite Cleavelandite Lepidolite & Quartz

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MBM1002372

Dravite Rubellite Cleavelandite Lepidolite & Quartz

Classic Locality

Description Tabs

Description
Locality: 
Malkhan, Krasnyi Chikoy, Zabaykalsky Krai, Russian Federation
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5 × 3.5 cm
Largest Crystal: 
1.50cm
Description

Varied combo of intense light brownish Dravite up to 15mm associated with Rubellite, Cleavelandite, Lepidolite and Quartz up to 40mm from Malkhan in Sibiria

From an old collection of Dipl. Berging. Siegfried Maiweg 1901-1982, Unna 

Mineral Data
What's on the rock

Dravite

Formula: 
Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Crystal System: 
Trigonal
Hardness: 
7.0
Type Locality: 
Dobrova, Dravograd (Unterdrauburg), Slovenia

Rubellite

Variety Of: 

Tourmaline

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

Cleavelandite

Variety Of: 

Albite

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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