Black Opal is one of the rarest forms of Opal and Black Boulder Opal is one of the strongest.
Black Opal is known for exhibiting an array of colors on top of its beautiful dark body tone color as some say resemble the northern lights throughout the dark night sky. The same goes for Black Boulder Opal however, the Black Opal is married and combined with the host rock resulting in it being very strong.
The Precious Black Boulder Opal Gemstone is located in Outback, Queensland Australia and the Precious Black Opal Gemstone is located in Lightning Ridge, Australia.
Opal Miners who have been mining their whole lives may not find a single Gem making it a gambling game. The time and effort it took to extract the Opal is accounted for in the price as well as the value of the Precious Opal.
Black Opal Gemstones can vary from $1,000 a carat to tens of thousands of dollars for that top quality color flash.
To learn more about valuing an Australian Opal please visit: https://australianopaldirect.com/how-much-is-opal-worth/
and https://australianopaldirect.com/value-of-opal/