Aquamarine and Schorl Crystals with Feldspar –  NERA 009

Aquamarine crystal with schorl crystals and feldspar

Measurements:   38 x 33 x 27 mm

Description:  A light blue aquamarine crystal with feldspar in an on it, as well as schorl crystals, also with bits of feldspar.

The aquamarine has no damage, other than where it parted from its matrix, while some of the schorl crystals are damaged.

Weight of Specimen:  24.2 g

Chemical Composition:  Be3Al2Si6O18  (aquamarine
2+3Al6Si6O18(BO3)3(OH)4  (schorl)    
3O (feldspar)  

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

Location:  Erongo, Namibia.

Specimen Code:  NERA 009




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