Aquamarine Crystal on Schorl – NERA 034

Aquamarine crystal on schorl

Measurements:  32 x 17 x 07 mm 

Description:  A small aquamarine crystal (with only a few minute nicks) sits on (and is partially embedded in) a group of schorl crystals. The latter has a few nicks.   

Weight of Specimen:  2.4 g

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

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

Location:  Erongo, Namibia

Specimen Code:  NERA 034


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