Quartz Crystal with Feldspar, Dolomite and Rutile – SWCV 013

Light smoky quartz crystal with feldspar, dolomite and rutile

Measurements:  48 x 35 x 24 mm

Description:  A light smoky quartz crystal plays host to numerous bits of feldspar, dolomite and minute quartz crystals, some of which are partially embedded in it. It also has several lovely copper coloured rutile needles. Several small rainbows can be seen when tilted in light. 

The bottom of the specimen has re-crystallized. The specimen displays well on a flat surface, in an upright position. The specimen has a few flaws and a contact mark.

Weight of Specimen:  57.4 g

Chemical Composition:  SiO2  (quartz) 
                                       KAlSi3O (feldspar) 
                                      TiO2   (rutile) 
                                       CaMg(CO3)2   (dolomite)  

Hardness on Mohs Scale:  (quartz) 
                                          (feldspar)  6 - 6.5 

                                          (rutile)   6.6   

Location:  Vredendal Quarry, Western Cape, South Africa.

Specimen Code:  SWCV 013

US $ 45

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