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Aquamarine & Hyalite

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RAF748748

Aquamarine & Hyalite

Gem Crystal

Description Tabs

Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2 × 1.9 cm
Largest Crystal: 
4.00cm
Weight: 
26.00gr
Description

A very fine Aquamarine crystal with Hyalite at the bottom from Erongo Mountain, Namibia. A  truly beautiful large specimen. This specimen was taken out in March 2018.

Mineral Data
What's on the rock

Aquamarine

Variety Of: 

Beryl

Formula: 
Be3Al2(Si6O18)
Strunz: 
9.CJ.05
Hardness: 
7.5 - 8.0
Formula: 
Be3Al2Si6O18
Hardness: 
0.0
Colour: 
Blue
Streak: 
White

Hyalite

Variety Of: 

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Formula: 
SiO2·nH2O
Hardness: 
5.5 - 6.5
Streak: 
white
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