Fluorite, Quartz, Schorl and Muscovite on Matrix NERF 011

Greenish fluorite crystals and muscovite on schorl crystal

Measurements:  41 x 28 x 17 mm

Description:  A beautiful arrangement of quartz, fluorite, schorl and mica crystals on matrix. The quartz crystal has beautiful markings on part of its termination. Some of the thin schorl crystals are semi-transparent. 

The specimen has only a few very small nicks, including one to the quartz crystal.

Weight of Specimen:  11.3 g

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

                                        SiO2•1.5(H2O)  (opal)

Hardness on Mohs Scale:  (fluorite)  4
                                           (schorl)  
7.5
                                           (muscovite)  2-2.5

                                           (opal)  5.5-6 

Location:  Erongo Mountains, Erongo Region, Namibia.

Specimen Code:  NERF 011

US $ 35


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