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Uvite With Talc

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KRM220892

Uvite With Talc

Description Tabs

Description
Locality: 
Khyber Pass, Spin Ghar Mountains, Khyber Pakhtunkhwa Province, Pakistan
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 3 × 3.7 cm
Description

A good nice combination specimen , Well terminated gemmy uvite crystals hosts to talc matrix,

 

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
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