Quartz Crystals on Matrix – BARG 024

Rather special quartz crystals on matrix




Measurements:  95 x 55 x 25 mm

Description:   A rather spectacular specimen consisting of clear quartz crystals with brown to black hematite specks captured between layers of quartz growth. The matrix (of quartz and feldspar) has been trimmed, so the specimen can display better.

Some of the crystals have small nicks, and one (on the edge) has a flaw.

Weight of Specimen:  176.9 g

Chemical Composition:  SiO2  (quartz)
                                        KAlSi3O8  (feldspar)  

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

Location:
 Northern Cape, South Africa.

Specimen Code:  BARG 024

US $ 45

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