Fluorite, Quartz, Schorl and Mica NERF 006

Small group of quartz, fluorite, schorl and mica crystals

Measurements:  30 x 26 x 24 mm

Description:  A small group of quartz, fluorite, schorl and mica crystals. 

The only notable damage is to the sides and bottom of the specimen.

Weight of Specimen:  14.3 g

Chemical Composition:   CaF2  (fluorite)
                                         SiO2  (quartz)  
                                         KAl2(Si3Al)O10(OH,F)2  (muscovite)  
                                         NaFe2+3Al6Si6O18(BO3)3(OH)4  (schorl)

Hardness on Mohs Scale:  (fluorite)  4
                                           (quartz)  7 

                                           (muscovite 2-2.5
                                           (schorl)  7.5 

Location:  Erongo Mountains, Erongo Region, Namibia.

Specimen Code:  NERF 006

US $ 25







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