Hyalite Opal on Quartz - NER 017 

Quartz, mostly covered by hyalite opal

Measurements:  56 x 25 x 22 mm 

Description:  A piece of quartz, largely covered by hyalite opal, with some parts light green and gemmy. 

This specimen, that has no notable damage, fluoresces beautifully under ultraviolet light.

Weight of Specimen:  46.2 g

Chemical Composition:  SiO2  (quartz)  
                                        SiO2•1.5(H2O)  (opal)

Hardness on Mohs Scale:  (quartz)  7     
                                          (opal)  5.5-6 

Location:  Erongo, Namibia.

Specimen Code:  NER 017

US $ 80





                       
            
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