3.5" Polished Black Opal Sphere - Madagascar

This is a large 3.5" black opal sphere crafted in Madagascar. The stand shown in the photos is included with your purchase.

"Black Opal" is a trade name for a variety of an amorphous, black-brown silica mineral, which in this case is collected from Madagascar. This material doesn't have the opalescent effect that you would see in high quality hydrated amorphous silica (opal), but is has its own beauty.
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DETAILS
SPECIES
Amorphous Quartz (Common Opal)
LOCATION
Madagascar
SIZE
3.5" wide
CATEGORY
SUB CATEGORY
ITEM
#225148