Bi-Coloured Beryl Crystal - NER 071

Bi-coloured beryl crystal from a rare find

Measurements:  32 x 16 x 14 mm 

Description:  A bi-coloured beryl crystal from a rare find. 

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

The termination ridges have only small nicks, while there are contact marks to parts of the crystal.

Weight of Specimen:  14.6 g

Chemical Composition:  Be3Al2Si6O18  (beryl)
                                        KAlSi3O8 (feldspar) 

Hardness on Mohs Scale:
 (beryl)  7 - 8
                                           (feldspar)  6 - 6.5

Location:  Erongo Mountains, Erongo Region, Namibia.

Specimen Code:  NER 071

US $ 70

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