Unusual Fluorite Crystal - NERF 018

Unusual fluorite crystal with lovely purple colour

Measurements:   43 x 29 x 21 mm

Description:  An unusually shaped fluorite crystal with an intense purple colour when lighting from behind. The crystal has bits of (?)feldspar on most of its surfaces, and no notable damage. 

Image top left:  taken in bright natural sunlight;
Image top right:  taken with natural sunlight shining directly from behind;
Image bottom right:  taken with electric white light shining directly from behind;
All other images:  taken with normal electric lights, no flash used.

Weight of Specimen:  37.4 g

Chemical Composition:  CaF2  (fluorite)
                                        KAlSi3O8  (feldspar) 

Hardness on Mohs Scale:  
(fluorite)  4
                                           (feldspar)  6 - 6.5   
Erongo Region, Namibia.

Specimen Code:  NERF 018



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