1.39 Ct Gorgeous Color Natural Mexican Fire Opal

Item Information

Dimensions (mm) 8.52 x 7.12 x 5.22mm
Weight (carats) 1.39 carats
No Treatment

Mexican Opals are known for their vivid yellow, orange or orange-red colors. The intense color has earned this gem the nickname fire opal. Unlike precious opal, the Mexican Opal does not usually exhibit a play of color. But it makes up for this with its remarkable body color. It is the few varieties of opal that can successfully be faceted, as some specimens can exhibit considerable transparency.

Mexican Opal is rated at 5.5 to 6.5 on Moh’s Scale of hardness. The physical structure of Opal is unique.

Mexican Opal is considered a mineraloid and has no crystal structure. The term used for no structure is amorphous. Opal is scientifically written as SiO2 NH2O or hydrated silicon dioxide.  Opal typically contains a significant water content. Stones that can commonly form Opal are limestone, basalt, rhyolite and sandstone.

Item specifics :


Item Shape: OVAL CUT


$145.00 USD

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Pricing & Details

Auction ID 809113
Watchers 8 watching
Viewed 333 times
Starts 22nd Sep 2018 3:20am PDT

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