Hungary Birthstone Opal Diamond Fashion 2015 Gold Wedding Jewellery.
By Aamir Mannan.
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Peruvian opal (also called blue opal) is a semi-opaque to opaque blue-green stone found in Peru which is often cut to include the matrix in the more opaque stones. It does not display pleochroism. Blue opal also comes from Oregon in the Owhyee region as well as from Nevada around Virgin Valley.[citation needed]
Sources of opal/
Gem Opal from Brazil
Polished opal from Yowah (Yowah Nut[11]), Queensland, Australia
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