Black opal is a generic term given to any opal which has a dark body colour when viewed from above.

Solange Azagury-Partridge - "Opal Fruit" cuff made of blackened white gold, black opal, diamonds and precious stones

Black or Precious Black Opal - Precious Opal with a dark body color, usually black or dark gray, deep blue or green; the deep body color makes the iridescent play of color strikingly different from light Opals.

The occurrence-specific characteristics include, for instance, denominations such as “Black Opal from Lightning Ridge” (we are talking absolute top luxury here) or “Mexican Fire Opal”.

The occurrence-specific characteristics include, for instance, denominations such as “Black Opal from Lightning Ridge” (we are talking absolute top luxury here) or “Mexican Fire Opal”.

I feel its rays touch my back…a different kind of fire-light, like a Black Opal.

Fire opal carries strong karmic powers, representing justice and also providing protection for its wearer.

Cold-colored topaz, black opal, agate, jade, and other gems of black and white colors are welcome.

Black opals carry strong karma, representing justice and also providing protection for their wearers.

Black opal is one of the many fascinating varieties of opal available today and it also happens to be one of the most popular varieties.

The item "Black Opal Australian natural solid 0.45ct VERY BRIGHT ELECTRIC PURPLE/GREEN GEM" is in sale since Sunday, August 21, 2016.

The most prized of the precious opals is the black opal of Australia, first discovered in the 1800s at Lightning Ridge in New South Wales.

Black opal should have a wax-like luster, but at the same time, it should not appear to be too 'plasticky'.

However, identifying natural untreated black opal from synthetic, lab created or treated opal can be nearly impossible without proper lab testing and equipment.

Black opal clarity is typically translucent to opaque and almost all specimens will have eye visible inclusions such as patches or lines of potch (common opal).