Aquamarine and Schorl Crystal Cluster - NERA 004

Aquamarine and schorl crystal cluster




Measurements:  37 x 26 x 22 mm

Description:  A small cluster of aquamarine and schorl crystals, with several schorl crystals inside the aquamarine and some protruding into them. 

The aquamarine crystals have only a few minute nicks, and some contact marks.

Weight of Specimen:  7.3 g

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

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

Location:  Erongo, Namibia.

Specimen Code:  NERA 004

US $ 85










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