Fluorite Crystals on Muscovite Matrix – NERF 021

Gemmy fluorite crystals on muscovite matrix




Measurements:  56 x 37 x 17 mm

Description:  Lovely, gemmy, green and purple fluorite crystals scattered on a matrix of muscovite crystals and a few bits of black tourmaline (schorl).

Weight of Specimen:  28 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
                                            (muscovite2-2.5
                                            (schorl)  7.5

Location:  Erongo Region, Namibia.

Specimen Code:  NERF 021

US $ SOLD

 

 

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