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Quartz

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MGR754833

Quartz

Description Tabs

Description
Locality: 
Vaca Morta Quarry, Boquira, Bahia, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
10.3 × 5.7 × 5.3 cm
Description

If you can ever judge a specimen as "blue quartz", then this one! I used moderately backlight to show this spectacular color which is a result of dumortierite inclusions. The faces consit of uncoutable sharp steps, which are all lustrous. The photos don´t do justice to the piece - the luster, the stepped faces and the tri-dimensional assemble is much better in person.

Mineral Data
What's on the rock

Quartz

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