Black Opal Gemstones
5.5 - 6.5 on the Mohs scale.
Australia, former Czechoslovakia, U.S., Brazil, Mexico and southern Africa. Opal and tourmaline are the birthstones of the month of October.
Dark, iridescent, and opalescent with a wide range of internal colors.
Opal is rarely impregnated with colorless oil, wax and resins.
More information on gemstone enhancements.
Black Opal is a member of the Opal gemstone family.
||0.11 ct., 'AAA' Grade|
|5.1x3.0mm Cabochon, Oval Cut|
|Vivid Orangy Red|
|[N] Not enhanced.|
|One of a kind.|
|With a play of green, blue and predominant red.|
| Black Opal
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