Natural Fire opal

Opal is a poorly crystalline or amorphous hydrous silica that is compact and vitreous and most commonly translucent white to colourless.

Fire opal shows no opalescence. It is usually milky and turbid.

The best qualities are clear and transparent which makes them suitable for being faceted. They are very sensitive to every stress.

There are 569 Fire opal(s) organised in the following categories: Cabochon Lot, Cabochon Single, Facet Lot, Facet Single,  gemstones. Price of our Fire opal range from USD 11.00 to USD 555.00 and all gemstones are 100% natural. No lab, created or synthetic gemstones.

We grade our stones with strict adherence to current GIA (Gemological Institute of America) standards for color, tone, hue, saturation and clarity and all gems are identified and graded only by GIA certified gemologists.

Browse Fire opal gemstones

Why choose Icgems.com?

	Cabochon Lot Fire opal [ 4 ]
	Cabochon Single Fire opal [ 7 ]
	Facet Lot Fire opal [ 513 ]
	Facet Single Fire opal [ 45 ]
	Most Expensive Fire opal
	Cheapest Fire opal

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Find your Fire opal

Our Fire opal(s) are available in various shapes, sizes and colors. 569 Fire opal(s), too many to look through? You may select any combination of search options. Colors grade into each other and you can search for more than one color at once. For a better selection, try selecting two or three colors, -- your first choice plus the two closest colors.

Shape	Length (mm)	Width (mm)
Select from the list: Animal Antique Cushion Antique Octagon Apple Baguette Ball Barrel Bird Block Briolette Buddha Bullet Button Cameo Capsule Chinese Lion Cone Cross Crystal Cube Cushion Cushion Pyramid Dice Disc Dog Dolphin Donut Drop Drum Egg Elongated Cushion Face Fan Fancy Fish Flower Frame Free Shape Frog Fruit Gods Half Pie Heart Hexagon Horse Indian Kite Komainu Leaf Lemur Lizard Marquise Mask Mixed shapes Mouse Nugget Octagon Opossum Oval Owl Pampel Parrot Pear Pentagon Pie Pig Pyramid Pyramid Hexagon Rabbit Rectangular Rhombus Ring Round Sable Seahorse Shell Shield Skull Slice Square Star Tiger Trapezoid Triangle Trillion Tube Turtle Wolf	Select from the list: less than 1.50 1.50 - 1.99 2.00 - 2.99 3.00 - 3.99 4.00 - 4.99 5.00 - 5.99 6.00 - 6.99 7.00 - 7.99 8.00 - 8.99 9.00 - 9.99 10.00 - 10.99 11.00 - 11.99 12.00 - 12.99 13.00 - 13.99 14.00 - 14.99 15.00 - 15.99 16.00 - 16.99 17.00 - 17.99 18.00 - 18.99 19.00 - 19.99 more than 20.00	Select from the list: less than 1.50 1.50 - 1.99 2.00 - 2.99 3.00 - 3.99 4.00 - 4.99 5.00 - 5.99 6.00 - 6.99 7.00 - 7.99 8.00 - 8.99 9.00 - 9.99 10.00 - 10.99 11.00 - 11.99 12.00 - 12.99 13.00 - 13.99 14.00 - 14.99 15.00 - 15.99 16.00 - 16.99 17.00 - 17.99 18.00 - 18.99 19.00 - 19.99 more than 20.00
Category	Weight (cts)	Price (USD)
Select from the list: Cabochon LotCabochon SingleFacet LotFacet Single	Select from the list: less than 0.50 0.50 - 0.99 1.00 - 1.99 2.00 - 2.99 3.00 - 4.99 5.00 - 9.99 10.00 - 19.99 more than 20.00	Select from the list: less than 50.00 50.00 - 99.99 100.00 - 199.99 200.00 - 299.99 300.00 - 499.99 500.00 - 999.99 1000.00 - 1999.99 more than 2000.00

red-orange or orange-red	yellowish orange
reddish orange	orangy yellow
orange	yellow

About Fire opal gemstones

Color	Fire opal is orange or reddish, and may or may not have an interplay of colours
Refractive Index	1.37-1.52
Chemical Composition	Hydrous, Silicon dioxide
Hardness	5.5-6.5
Crystal Group	Amorphous
Ocurrence	Maxico, Brazil, Guatemala, USA, Australia

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