Group of Quartz Crystals – SWCV 004

Measurements:  71 x 57 x 33 mm

Description:  A group of milky to clear quartz crystals with some parts having a thin coating of yellow iron oxide. One side of the specimen has bits of feldspar attached and there are a few copper coloured rutile needles at the bottom. 

Two of the crystal termination points have small nicks, the largest crystal has a flaw and there is damage to the sides of the specimen. 

Weight of Specimen:  113.0 g

Chemical Composition:  SiO₂  (quartz)
                                       KAlSi₃O₈  (feldspar)
                                                 
Hardness on Mohs Scale:  (quartz)  7 
                                          (feldspar)  6 - 6.5

Location:  Vredendal Quarry, Western Cape, South Africa.

Specimen Code:   SWCV 004

US $ 35