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Amazonite & Tourmaline

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MNR750532

Amazonite & Tourmaline

Description Tabs

Description
Locality: 
Andrembesoa, Betafo, Vakinankaratra, Madagascar
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.1 × 5.4 × 1.9 cm
Description

Vivid blue-green Amazonite in association with minor smoky quartz and unidentified dark green tourmaline. Aesthetic sample.

Mineral Data
What's on the rock

Amazonite

Variety Of: 

Microcline

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Hardness: 
6.0 - 6.5
Hardness: 
0.0

Tourmaline

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