Andamooka Opal · Galaxy Opal · Opal (disambiguation) · Flame Queen Opal

Bright flashes of color skip across this stone's surface. ... Opal forms as irregular nodules or seams in volcanic or sedimentary rocks. ... Play-of-color results ...

A type of Opal consisting of aggregated spheres of amorphous silica, with water filling the gaps in between. Precious Opal and Potch Opal consist of this kind ...

For thousands of years, people have mined and treasured opals. These striking stones are the traditional October birthstone and have inspired a rich body of ...

Opal Auctions is the biggest online marketplace for buying loose Opals, rough Opals and Opal Jewelry. We have individual verified Opal stores with sellers ...

2024/03/08 · Opal, silica mineral extensively used as a gemstone, a submicrocrystalline variety of cristobalite. In ancient times opal was included among ...

Opals are crispy, sweet, and naturally non-browning. Taste the difference and make a difference with Opal® organic apples.

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With an opal, clarity is its degree of transparency and freedom from inclusions. An opal's clarity can range all the way from completely transparent to opaque.