Aquamarine and Schorl on Feldspar Matrix – NERA 005

Aquamarine and schorl crystals on feldspar matrix



Measurements:  55 x 40 x 23 mm 

Description:  A few pale blue aquamarine crystals with schorl (variety foitite) inclusions, share a feldspar matrix with small schorl crystals (variety foitite). The feldspar matrix has a few facets. 

The aquamarine crystals have no notable damage. 

Weight of Specimen:  43.3 g

Chemical Composition:  Be3Al2Si6O18  (aquamarine
                                    NaFe2+3Al6Si6O18(BO3)3(OH)4
 (schorl)    
                                    KAlSi3O8 
 (feldspar)  

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

Location:  Erongo, Namibia, Africa.

Specimen Code:  NERA 005

US $ 45




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