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Uvite With Talc

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KRM801683

Uvite With Talc

Description Tabs

Description
Locality: 
Khogyani, Nangarhar Province, Afghanistan
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 1 × 1 cm
Description

Well doubly terminated gemmy uvite crystal hosts to talc matrix , Undmaged perfect specimen 

Mineral Data
What's on the rock

Uvite

Formula: 
Ca(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH)
Group Parent: 
Tourmaline
Crystal System: 
Trigonal
Hardness: 
7.5
Colour: 
Black, greenish-black
Streak: 
Light-brown, light-green, or white

Talc

Formula: 
Mg3(Si4O10)(OH)2
Strunz: 
9.EC.05
Crystal System: 
Triclinic
Hardness: 
1.0
Streak: 
White

Seller Information

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