Fluorite, Muscovite and Schorl Crystal Cluster NERF 007

Small cluster of fluorite, muscovite and schorl crystal

Measurements:  18 x 16 x 10 mm

Description:  A small cluster of gemmy, green fluorite crystals with bits of purple colouring,  a few muscovite and schorl crystals, as well as two very small quartz crystals.

A few of the fluorite crystals have nicks, but the damage is mostly where it parted from its matrix. 

This is a two-sided specimen.

Weight of Specimen:  3.7 g

Chemical Composition:  CaF2  (fluorite)
                                     NaFe2+3Al6Si6O18(BO3)3(OH)4  (schorl)
SiO2  (quartz)

Hardness on Mohs Scale:  (fluorite)  4
                                       (muscovite) 2-2.5
                                       (schorl)  7.5
  6 - 6.5
                                       (quartz)  7 

Location:  Erongo Mountains, Erongo Region, Namibia.

Specimen Code:  NERF 007



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