Measurements:  40 x 25 x 15 mm

Description:  A few green fluorite crystals with colour zoning due to temperature changes (when the crystals formed), sit on a feldspar matrix, together with mica crystals.

Weight of Specimen: 13.9 g

Chemical Composition:  CaF₂  (fluorite)
                                       KAlSi₃O₈  (feldspar) 
                                       KAl₂(Si₃Al)O₁₀(OH_,F)₂  (muscovite)

Hardness on Mohs Scale:  (fluorite)  4
                                          (feldspar)  6 - 6.5
                                          (muscovite)  2-2.5

Location:  Erongo Region, Namibia.

Specimen Code:  NERF 016

US $ 10

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