Boulder opal

Boulder opal

Koroit Opal Nut Conglomerate

Koroit Opal Nut Conglomerate

More opals!  These are more on the pastel side of flash and light, and I find them just as appealing.

More opals! These are more on the pastel side of flash and light, and I find them just as appealing.

close up of boulder opal...see the eagle and the moon rising?

close up of boulder opal...see the eagle and the moon rising?

stone color

stone color

another angle of the same specimen

another angle of the same specimen

Crystal Black Opal - Crystal opal or pure hydrated silica makes up 30% of the opal produced, 8% is black and only 2% is boulder opal.

Crystal Black Opal - Crystal opal or pure hydrated silica makes up 30% of the opal produced, 8% is black and only 2% is boulder opal.

‿✿⁀ՏեᎧղᏋՏ‿✿⁀

‿✿⁀ՏեᎧղᏋՏ‿✿⁀

Precious Opal (Var: Boulder Opal) / Queensland, Australia

Precious Opal (Var: Boulder Opal) / Queensland, Australia

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