Non-Australian Opal Rough/Polished Specimens

Ethiopia: Rough crystal/light and some darker base opals from Welo, and occasional chocolate base volcanic opals from Shewa Ridge in Ethiopia.

Brazil:  Light/milky base crystal.

Mexico: Clear crystal, orange fire opals and similar, some have contra luz fires.

Peru: Blue/pink base opal in rock, or polished with no fires

Indonesia: Black boulder/fossil specimens with fires. Often treated to stabilise.

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