Black Opal Australian, Faceted 4mm Round - 15-16 Inch featured_07162026 Rainbow Obsidian earned its name

Rainbow Obsidian earned its name from the chatoyant

sodalite and pyrite

Botswana Agate was formed nearly 187 million years ago by lava flowing in waves from long faults in the earth

" is like the deep blue evening skies often seen above deserts and winter landscapes

non-crystalline mineraloid consisting of a high percentage of carbon

Black Opal Australian, Faceted 4mm Round - 15-16 Inch featured_07162026 Rainbow Obsidian earned its nameBlack Opal is a naturally occurring variety of precious opal mined in Australia. this opal variety is characterized by their dark base tone. It is mined under extremely harsh conditions and the high grade specimens are more rare than diamonds. Australian Aboriginal tribes referred to Black Opal as "Fire of the Desert."