Aquamarine Crystals with Inclusions – NERA 030

Aquamarine crystals with schorl inclusions

Measurements:  46 x 33 x 31 mm

Description:  A group of light blue aquamarine crystals along with numerous shorl crystals, many of which have grown into and through the aquamarine crystals, rest on a matrix of feldspar which, in turn, partly rests on a large piece of schorl crystal.

The aquamarine crystals have a few minute nicks and one of the lesser aquamarine crystals is damaged to its side. The large schorl crystal has some pressure marks and a thin, stable flaw right at the bottom.

Weight of Specimen:  44.6 g

Chemical Composition:  Be3Al2Si6O18  (aquamarine
NaFe2+3Al6Si6O18(BO3)3(OH)4  (schorl)
                                        KAlSi3O (feldspar)  

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

Location:  Erongo, Namibia

Specimen Code:  NERA 030


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