Quartz with Dolomite and Feldspar WC 002

Quartz and dolomite crystals on feldspar matrix

Measurements:  70 x 50 x 45 mm

Description:  Clear quartz crystals, along with a well-formed dolomite crystal, sit on a feldspar matrix. The specimen displays well on a flat surface.

The main quartz crystal has a few small nicks.

Weight of Specimen:  102 g

Chemical Composition:  SiO (quartz)
                                        KAlSi3O8 (feldspar)
                                         CaMg(CO3)2 (dolomite)

Hardness on Mohs Scale:  (quartz)  7 
                                            (feldspar) 6 - 6.5
                                           (dolomite)  3.5-4

Location:  Vredendal area, Western Cape, South Africa.

Specimen Code:  WC 002

R 150

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