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Apatite & Tourmaline

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RBR113637

Apatite & Tourmaline

Description Tabs

Description
Locality: 
Kantiwa, Wama District, Nuristan Province, Afghanistan
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 7 × 6 cm
Description

The specimen is rich of violet apatite all around, most are etched, some with glossy faces. At the top and on one side green tourmaline is also present. Apatite up to 5mm, tourmaline up to 2cm. Very fine contrast and nearly undamaged.

Mineral Data
What's on the rock

Apatite

Synonym Of: 

Chlorapatite

Formula: 
Ca5(PO4)3Cl
Strunz: 
8.BN.05
Hardness: 
5.0

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Hardness: 
5.0

Hydroxylapatite

Formula: 
Ca5(PO4)3(OH)
Strunz: 
8.BN.05
Hardness: 
5.0
Crystal System: 
Hexagonal
Hardness: 
5

Tourmaline

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

Seller Information

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