Black Opal Australian, Faceted 3mm Round - 15-16 Inch 13x18mm and the green color is

and the green color is caused by a reaction in the stone when the chrome is introduced to water

It was used in the Egyptian Book of the Dead

and 3 millimeter crimp tubes and includes a chain nose pliers for handling delicate beads

Distinctive for its purple-and-gray tones

Black Opal Australian, Faceted 3mm Round - 15-16 Inch 13x18mm and the green color isBlack 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."