Aquamarine Crystal on Schorl Crystal Cluster – NERA 017

Pale blue aquamarine crystal on schorl crystal cluster





Measurements:  39 x 37 x 19 mm

Description:  A very pale blue aquamarine crystal (18 mm long) sits on a cluster of lovely schorl crystals, covered with bits of feldspar. 

The aquamarine crystal has bits of feldspar on and in it, as well as some schorl on it. About a third of the aquamarine crystal is very clear. 

The specimen has no notable damage.

Weight of Specimen:  25.0 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 017

US $ 35




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