Bi-Coloured Beryl Crystal - NER 069

Bi-coloured beryl crystal from a rare find

Measurements:  31 x 28 x 17 mm 

Description:  Bi-coloured beryl crystal from a rare find. 

The surfaces are partly coated with a thin layer of feldspar. The upper part of the crystal is green, while the lower part is blueish. 

The crystal has a few small nicks.

Weight of Specimen:  20.0 g

Chemical Composition:  Be3Al2Si6O18  (beryl)
                                        KAlSi3O8 (feldspar) 


Hardness on Mohs Scale:  (beryl)  7½ - 8
                                           (feldspar)  6 - 6.5

Location:  Erongo Mountains, Erongo Region, Namibia.

Specimen Code:  NER 069

US $ 85





           
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