Aquamarine Cystals with Schorl – NERA 026

Pale blue aquamarine crystals with schorl



Measurements:  33 x 27 x 10 mm

Description:  A group of aquamarine crystals with schorl crystals in and on them, as well as a few small mica crystals embedded in the aquamarine. 

The aquamarine crystals have only a few cvery small nicks, but most of the small schorl crystals have damage.

Weight of Specimen:  7.1 g

Chemical Composition:   Be3Al2Si6O18  (aquamarine
                                         NaFe2+3Al6Si6O18(BO3)3(OH)4
 (schorl)                                                                               KAl2(Si3Al)O10(OH,F)2  (muscovite)

Hardness on Mohs Scale:  (aquamarine) 7.5 - 8.0
                                            (schorl)  7.5                                                                                                                       (muscovite)  2-2.5                                                                      .           
Location:  Erongo, Namibia.

Specimen Code:  NERA 026

US $ SOLD





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