Fluorite Crystals on Schorl – NERF 004

Green fluorite crystals growing around schorl

Measurements:  45 x 24 x 20 mm

Description:   A specimen consisting of fluorite crystals that have grown around a piece of schorl, variety foitite. The fluorite crystals are mostly green, with dark edges and only a few small ones having a bit of purple colouring. 

The specimen has only a few small nicks.

Weight of Specimen:  26.1 g

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

Hardness on Mohs Scale:  (fluorite)  4
                                          (schorl)  7.5

Location:  Erongo Mountains, Erongo Region, Namibia.

Specimen Code:  NERF 004  


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