Fluorite and Muscovite Crystals on Schorl – NERF 003

Fluorite and mica crystals on schorl

Measurements:  29 x 17 x 12 mm

Description:  Small, greenish fluorite crystals with 'coke' coloured centres, together with lovely yellowish-green mica crystals, sit on a group of schorl crystals. 

Some of the schorl crystals have some damage, while the fluorite and mica crystals have a few minute to small nicks.

Weight of Specimen:  5.4 g 

Chemical Composition:  CaF2 (fluorite
                                        KAl2(Si3Al)O10(OH,F)2  (muscovite)  

                                        NaFe2+3Al6Si6O18(BO3)3(OH)4  (schorl)

Hardness on Mohs Scale:  (fluorite)  4
                                           (muscovite)  2-2.5 

                                           (schorl)  7.5

Location:  Erongo Mountains, Erongo Region, Namibia.

Specimen Code:  NERF 003

US $ SOLD
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