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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1300): Opal Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal, Opal in Matrix Clear All
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ID: 3694421 pcs
thumb image of 1.9ct Round Facet Reddish Orange Fire Opal (ID: 369442)
1.85 ct Fire Opal
8.9 mm
$ 60.00
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ID: 3080931 pcs
thumb image of 1.6ct Pear Facet Yellow Opal (ID: 308093)
1.64 ct Opal
12.1 x 8.9 mm
$ 71.38
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ID: 4542992 pcs
thumb image of 1.9ct Oval Facet Orange Fire Opal (ID: 454299)
1.88 ct Fire Opal
9 x 7.1 mm
$ 49.52
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ID: 3832111 pcs
thumb image of 0.6ct Oval Facet Reddish Orange Fire Opal (ID: 383211)
0.56 ct Fire Opal
6.1 x 5.1 mm
$ 17.93
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ID: 4310791 pcs
thumb image of 0.6ct Oval Cabochon White Opal (ID: 431079)
0.60 ct Opal
6.1 x 5.3 mm
$ 12.00
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ID: 4321522 pcs
thumb image of 1.3ct Oval Facet Orange Fire Opal (ID: 432152)
1.31 ct Fire Opal
8 x 6.1 mm
$ 34.83
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ID: 3117861 pcs
thumb image of 1.7ct Oval Facet Multicolor Opal (ID: 311786)
1.71 ct Opal
11.6 x 8.3 mm
$ 68.40
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ID: 3832011 pcs
thumb image of 0.6ct Oval Facet Reddish Orange Fire Opal (ID: 383201)
0.56 ct Fire Opal
5.9 x 5.2 mm
$ 17.93
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ID: 4542681 pcs
thumb image of 1.7ct Oval Facet Orange Fire Opal (ID: 454268)
1.73 ct Fire Opal
9.9 x 7.9 mm
$ 45.57
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ID: 4617641 pcs
thumb image of 1.4ct Oval Facet Multicolor Opal (ID: 461764)
1.37 ct Opal
10.1 x 7.9 mm
$ 48.44
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ID: 4508711 pcs
thumb image of 0.7ct Oval Cabochon Yellow Opal (ID: 450871)
0.74 ct Opal
7.1 x 5.7 mm
$ 20.72
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ID: 3669031 pcs
thumb image of 1.2ct Oval Facet Reddish Orange Fire Opal (ID: 366903)
1.18 ct Fire Opal
8.9 x 7.3 mm
$ 46.02
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ID: 3671482 pcs
thumb image of 1.9ct Oval Facet Reddish Orange Fire Opal (ID: 367148)
1.92 ct Fire Opal
8.2 x 6.3 mm
$ 64.03
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ID: 4627904 pcs
thumb image of 1.9ct Oval Facet Multicolor Opal (ID: 462790)
1.87 ct Opal
7 x 5 mm
$ 74.80
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ID: 4545191 pcs
thumb image of 1.3ct Oval Facet Orange Fire Opal (ID: 454519)
1.33 ct Fire Opal
9.1 x 7.1 mm
$ 35.03
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ID: 4629011 pcs
thumb image of 1.2ct Oval Facet Yellow Opal (ID: 462901)
1.24 ct Opal
9.1 x 7.1 mm
$ 49.60
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ID: 4542632 pcs
thumb image of 1.5ct Oval Facet Orange Fire Opal (ID: 454263)
1.48 ct Fire Opal
7.9 x 6.1 mm
$ 38.98
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ID: 4629164 pcs
thumb image of 1.7ct Oval Facet Multicolor Opal (ID: 462916)
1.69 ct Opal
7 x 5.1 mm
$ 67.60
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ID: 4291491 pcs
thumb image of 0.8ct Oval Cabochon White Opal (ID: 429149)
0.77 ct Opal
8.1 x 6.1 mm
$ 21.56
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ID: 4492101 pcs
thumb image of 0.9ct Marquise Cabochon Multicolor Opal Doublet (ID: 449210)
0.90 ct Opal Doublet
9.8 x 5.1 mm
$ 13.13
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ID: 4539092 pcs
thumb image of 1.9ct Oval Facet Orange Fire Opal (ID: 453909)
1.88 ct Fire Opal
8.9 x 7.1 mm
$ 49.52
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Opal
More than any other gem, each opal is distinctly individual. No other gemstone has such rich and varied a folklore. Opals are also the most delicate gems commonly worn. They require special care to ensure their health and longevity. There are many varieties of opal, including black opal, white opal, common opal (potch), chocolate opal, boulder opal, opal doublet, opal triplet, fire opal and opal in matrix.

Opal's fire was long thought to be the result of iridescence. However, with the advent of scanning electron microscopes, we now know that it is a result of diffraction, and is known in the gem trade as play of color. Opal is relatively soft, with a rating of 5.5-6.5 on the Mohs scale. Despite its frequent use in gemstone rings, opal is not the greatest choice as a ring stone; it is however, very-well suited for other types of gemstone jewelry, including gemstone earrings, pins and gemstone pendants.

Major suppliers include Australia, Brazil, Ethiopia, Mexico, Peru and the United States. Values are normally determined by the presence and nature of color flashes, except in the case of Mexican fire opal, where body color is most valued.
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

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