Blackopal is characterised by a dark body tone which can range from dark grey to jet black. ... Because of their dark body tone, the rainbow colours ina black opal stand out much better than lighter opals. This vibrancy of colourmakes black opal the most valuable form of all opals.

Black Opal is considered extremely unique, rare,and is majorly known for its powerful astrological, spiritual, and healing 

Ethiopian Welo opal Gemstones

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