Double Terminated Quartz Crystal with Feldspar and Rutile – SWCV 009

Double terminated quartz crystal with feldspar and rutile



Measurements:  61 x 28 x 18 mm

Description:   A very light smoky, double terminated quartz crystal with bits of feldspar and a few small quartz crystals on its surface, and some, partially embedded in it. There are patches of milkiness inside, as well as a few copper coloured rutile needles, up to about 13 mm long. When tilted in light, a few rainbows can be seen.

There is a small nick on one of the shaft ridges (image middle right), and one of the small crystals that had been partially embedded in the main crystal at some stage, have broken off. Otherwise only a few extremely minute nicks to the rest of the specimen.

Weight of Specimen:  42.4 g

Chemical Composition:   SiO2  (quartz)
                                   KAlSi3O (feldspar)
                                     
                                   TiO2   (rutile) 

Hardness on Mohs Scale:  (quartz) 
                                      (feldspar)  6 - 6.5
 
                                      (rutile)   6.6

Location:  Vredendal Quarry, Western Cape, South Africa.

Specimen Code SWCV 009

US $ 35




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