Ajoite in Quartz Crystal Group - VAR 112

Measurements:  58 x 53 x 47 mm

Description:  A group of quartz crystals with ajoite and hematite inclusions. Some surfaces are rough, with bits of blackish hematite and quartz intergrown with another (to us, unknown) mineral. 

Five of the main crystal's, and one of the smaller crystal's termination faces have been polished (to reveal the inclusions better). The bottom of the specimen has lovely growth marks / facets (image middle right).

The specimen appears to be without damage.

Weight of Specimen:  158 g  

Chemical Composition:  SiO2  (quartz and chalcedony)
                                        K2.25Na1.75Cu20Al3Si29O76(OH)16•8(H2O) (ajoite) 

Hardness on Mohs Scale:  7  (quartz)
                                           3.5  (ajoite)

Location:  Musina, Limpopo Province, South Africa.

Specimen Code:  VAR 112

US $ 400






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