Fluorite Crystal Cluster with Hyalite Opal - NERF 025

Fluorite crystal cluster with hyalite opal

Measurements:  57 x 44 x 37 mm

A group of (mostly green) fluorite crystals with bits of hyalite opal on some faces, and a few small pieces of quartz attached. 

The only notable damage is to some edges of the specimen.

Weight of Specimen:  93.2 g 

Chemical Composition:  CaF2  (fluorite)
                                        SiO2•1.5(H2O)  (opal)    
                                        SiO2  (quartz)

Hardness on Mohs Scale:  (fluorite)  4                                                                                                               (opal)  5.5-6     
                                           (quartz)  7

Location:  Erongo Region, Namibia.

Specimen Code:  NERF 025

US $ 45

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