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K Feldspar & Aquamarine

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RAF77051

K Feldspar & Aquamarine

Gem Crystal

Description Tabs

Description
Locality: 
Erongo Mountains, Karibib, Erongo Region, Namibia
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 2 × 1.7 cm
Largest Crystal: 
2.10cm
Description

Excellent gem Aquamarine crystal on K-feldspar matrix. A real little gem !! You can cut gems out of this specimen. Weight: 5.4grams.

Mineral Data
What's on the rock

K Feldspar

Synonym Of: 

Microcline

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

Orthoclase

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Hardness: 
6.0

Sanidine

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Hardness: 
6.0

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
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