Quartz, Fluorite and Feldspar on Matrix - VAR 032

Quartz, fluorite and feldspar crystals on matrix

Measurements:  100 x 74 x 47 mm

Description:  Semi-clear quartz crystals and green fluorite crystals sit on rock matrix. Some sections of the specimen are coated with a thin layer of, what appears to be, very small feldspar crystals. Most of the quartz crystals appear to have a frosted outer layer on their shafts, while their terminations are clear.

Some of the crystals have nicks, while there is damage to the edges. The specimen has been trimmed at the bottom.

Weight of Specimen:  302 g

Chemical Composition:
CaF2  (fluorite)
                                       KAlSi3O8  (feldspar)  

Hardness of Mohs Scale:  (fluorite)  4 
  6 - 6.5
                                         (quartz)  7 

Location:  Okorusu mine, Otjiwarongo, Namibia.

Specimen Code:  VAR 032

US $ 65

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