Twinned Double Terminated Quartz Crystals with Feldspar and Dolomite – SWCV 002

Twinned double terminated quartz crystals with feldspar and dolomite,

Measurements:  44 x 38 x 16 mm

Description:  A beautiful quartz cluster with a feldspar and a dolomite crystal on top. The longest cystal is made up of twinned double terminated crystals. The feldspar crystal (bottom photograph), has minute quartz crystals on it. 

There is some damage to a few terminations.

Weight of Specimen:  12.3 g

Chemical Composition:  SiO2  (quartz)
                                       KAlSi3O (feldspar)
                                       CaMg(CO3)2  (dolomite)
Hardness on Mohs Scale:  (quartz) 
                                          (feldspar)  6 - 6.5

Location:  Vredendal Quarry, Western Cape, South Africa.

Specimen Code:   SWCV 002

US $ 75



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