Phantom Quartz Crystals on Matrix – SNCO 046

Phantom quartz crystals with striking colour, on matrix

Measurements:  55 x 25 x 22 mm

Description:  A group of quartz crystals with striking reddish-orange to black coloured phantoms (caused by hematite), sit on a quartz and feldspar matrix.

One of the main crystals have a small nick. The only other notable damage is to the edges of the specimen.

Weight of Specimen:  22.6 g

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

Location:  Riemvasmaak, Orange River Area, Northern Cape, South Africa.

Specimen Code:  SNCO 046


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