Name OPAL
Variety OPAL (BLACK)
Origin Lightning Ridge
Australia
Hardness 6,5
Composition SiO2
Crystaline sys. NO
Size   18 x 16 x 10 cm
Weight 1.900 g




Description:
Another magnificent specimen of black opal from Australia. Unlike the previous one, this one is a nodule surrounded by matrix.


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OPAL



VARIETY OPAL (BLACK)