Quartz Crystals with Iron Oxide – SNCO 069

Dark fluorite crystals on chalcedony matrix

Measurements:  50 x 29 x 20 mm

Description:  A two-sided specimen consisting of a group of quartz crystals, of which a few have white phantoms (fairly low down), and some are partially coated with yellow iron oxide and bits of feldspar. 

Terminations have only a few small nicks, while the rest of the specimen has little damage.  

Weight of Specimen:  21.2 g

Chemical Composition:   SiO2  (quartz)
                                        KAlSi3O8 (feldspar)

Hardness on Mohs Scale:  (quartz)  7
                                           (feldspar)  6 - 6.5

Location:  Orange River area, Northern Cape, South Africa.

Specimen Code:  SNCO 069

US $ 22


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