Explore Gemstone Colors, Fire Opals, and more!

Fire opals are transparent to semi-transparent, resembling gelatin, with red, orange, or yellow body color, with or without play-of-color.  The body color is caused by inclusions of iron oxides.  They are also sometimes called Mexican opals because most of the best fire opals are found in Mexico.  Opals are typically cut as cabochons or polished free-form to best show the play-of-color.  This group of opals from Mexico range in weight from 11 to 143 carats.

Has a magic opal in it: Mexican Fire Opals / National Gem Collection

Welo opal, yellow, found on http://www.opalinda.com/index.php?option=com_content&view=article&id=60:cut

Welo opal, yellow, found on http://www.opalinda.com/index.php?option=com_content&view=article&id=60:cut

Magnificent Jelly Opal--""Heaven's Fire"

Bonhams Fine Art Auctioneers & Valuers: auctioneers of art, pictures, collectables and motor cars

Fire Opal~Absolutely love these!!

Fire Opal~Absolutely love these!

Mexican Opal

Fire Opals are Incredible!

Another brown opal glinting away

Yet still the Red Queen

3.34 Cts Natural Orange Fire Opal Oval Cut - NR $1

No Reserve Opal Online Auctions x x carats Auction Opal Auctions

Opal - Australia

Andamooka in South Australia is a major producer of matrix opal, crystal opal, and black opal.

Very Fine Black Opal - Vivid hues of opals are created by tiny silica spheres that break white light apart. The size of the spheres determines the colors. 10.39 carats and measuring 16.5 x 13.0 x 6.5mm. This beauty is from Australia and sold for $68,000.

Very Fine Black Opal displays predominantly red play-of-color with spectral broad flashes of green, orange, yellow and blue, with true black potch to the reverse of the oval cabochon

Emil Weis Opale - Opale aus der ganzen Welt - Water Opals

Emil Weis Opale - Opale aus der ganzen Welt - Water Opals

Mexican fire opal | #Geology #GeologyPage #Opal #Mineral Geology Page www.geologypage.com

Mexican fire opal is one of my favorites. I have one from the Magdalena mine in the rough.

Rainbow

Summary: There is no other stone that has the mystery of the opal. With its fiery colors and magnificent spectrum of color it draws you.

Fluorapatite, crystal and gemstone.

Fluorapatite, crystal and gemstone.

Mexican Fire Opal - Bing Images

Mexican Fire Opal I have an antique opal ring from my mom that reflects colors like this!

Yowah-Nut Opals are found in the Yowah and nearby Koroit opal fields in Queensland, Australia

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Emil Weis Opale - Opale aus der ganzen Welt - Infos about Yowah-Nut Opals

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