Aquamarine Crystals – NERA 035

Small aquamarine crystal group on small matrix

Measurements:  23 x 17 x 14 mm

Description:  A small group of aquamarine crystal with bits of schorl, on a small feldspar matrix.

Some of the aquamarine crystals have nicks.

Weight of Specimen:  3.8 g

Chemical Composition:  Be3Al2Si6O18  (aquamarine
                                      
NaFe2+3Al6Si6O18(BO3)3(OH)4  (schorl)
                                       KAlSi3O (feldspar)  

Hardness on Mohs Scale:  (aquamarine) 7.5 - 8.0                  
                                         
(schorl)  7.5
                                          (feldspar)  6 - 6.5

Location:  Erongo, Namibia

Specimen Code:  NERA 035

US $ 18





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