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
                                       NaFe
2+3Al6Si6O18(BO3)3(OH)4  (schorl)    
                                       KAlSi
3O (feldspar)  

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

Location:  Erongo, Namibia.

Specimen Code:  NERA 009

US $ 35

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