Jan Coetzee Quartz Crystal - SNCO 079

Measurements:  130 x 73 x 64 mm

Description:  An unusually shaped quartz crystal from the well-known (now non-functional) Jan Coetzee copper mine.  

The crystal has multiple facets, with the front having pinkish inclusions (?unknown mineral) and the back of the specimen having the typical green chlorite coating, and patches of minute calcite crystals, as well as several small quartz crystals with chlorite inclusions.  There are also a few pieces of metallic mineral (?) attached on the surface.

The crystal has very little damage; even the bottom is relatively intact (see bottom photograph, right).  

This is a beautiful display specimen from this area.

Weight of Specimen:  425 g

Chemical Composition:  SiO₂

Hardness on Mohs Scale:  7 

Location:  Jan Coetzee Mine, Okiep Copper District, Namakwa District Municipality, Northern Cape, South Africa.

Specimen Code:  SNCO 079