Aquamarine Crystal with Feldspar –  NERA 029 

Aquamarine crystal  on small feldspar matrix

Measurements:  20 x 13 x 07 mm 

Description:  A small, well-terminated aquamarine crystal with patches of good clarity in its upper part, on a small feldspar matrix. 

The lower part of the aquamarine crystal has a small pressure mark, and the termination has a few extremely minute nicks, barely visible with the naked eye.

Weight of Specimen:  1.7 g

Chemical Composition:  Be3Al2Si6O18  (aquamarine 
                                       KAlSi3O8 
 (feldspar) 

Hardness on Mohs Scale:  (aquamarine) 7.5 - 8.0                 
                                          (feldspar)
 6 - 6.5
Location:  Erongo, Namibia.

Specimen Code:  NERA 029

US $ 28                                                                                                                                                

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