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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1186): Opal Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal, Opal in Matrix Clear All
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ID: 3164341 pcs
thumb image of 1.6ct Oval Facet Multicolor Opal (ID: 316434)
1.58 ct Opal
10.1 x 8.2 mm
$ 63.20
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ID: 3695691 pcs
thumb image of 1.3ct Oval Facet Orange Fire Opal (ID: 369569)
1.29 ct Fire Opal
9 x 7 mm
$ 41.83
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ID: 4539082 pcs
thumb image of 1.4ct Oval Facet Orange Fire Opal (ID: 453908)
1.44 ct Fire Opal
8 x 6.1 mm
$ 37.93
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ID: 4626884 pcs
thumb image of 1.7ct Oval Facet Multicolor Opal (ID: 462688)
1.65 ct Opal
7 x 5 mm
$ 66.00
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ID: 4620931 pcs
thumb image of 17.3ct Oval Cabochon Multicolor Opal (ID: 462093)
17.26 ct Opal
19.3 x 14.8 mm
$ 694.89
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ID: 3832081 pcs
thumb image of 0.6ct Oval Facet Reddish Orange Fire Opal (ID: 383208)
0.59 ct Fire Opal
7 x 5.2 mm
$ 18.89
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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: 4319342 pcs
thumb image of 1.4ct Oval Facet Orange Fire Opal (ID: 431934)
1.41 ct Fire Opal
8 x 6.2 mm
$ 37.49
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ID: 4628344 pcs
thumb image of 1.5ct Oval Facet Multicolor Opal (ID: 462834)
1.47 ct Opal
7 x 5.1 mm
$ 58.80
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ID: 4495794 pcs
thumb image of 2.2ct Oval Facet Orange Fire Opal (ID: 449579)
2.23 ct Fire Opal
7.2 x 5.2 mm
$ 59.74
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ID: 3832361 pcs
thumb image of 0.8ct Oval Facet Reddish Orange Fire Opal (ID: 383236)
0.75 ct Fire Opal
7.7 x 6.4 mm
$ 19.94
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ID: 3212361 pcs
thumb image of 1.5ct Oval Facet Multicolor Opal (ID: 321236)
1.46 ct Opal
9.3 x 7.2 mm
$ 58.40
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ID: 3801071 pcs
thumb image of 12.5ct Cushion Cabochon Yellow Orange Fire Opal (ID: 380107)
12.52 ct Fire Opal
17.3 x 14.2 mm
$ 438.20
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ID: 4623664 pcs
thumb image of 1.9ct Oval Facet Multicolor Opal (ID: 462366)
1.91 ct Opal
7.1 x 5.1 mm
$ 76.40
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ID: 4541132 pcs
thumb image of 1.5ct Oval Facet Orange Fire Opal (ID: 454113)
1.52 ct Fire Opal
8 x 6 mm
$ 40.04
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ID: 4621341 pcs
thumb image of 15.7ct Oval Cabochon Multicolor Opal (ID: 462134)
15.72 ct Opal
19.5 x 17.1 mm
$ 632.89
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ID: 4322441 pcs
thumb image of 0.8ct Oval Facet Orange Fire Opal (ID: 432244)
0.76 ct Fire Opal
8.3 x 6.1 mm
$ 20.21
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ID: 3683052 pcs
thumb image of 2.3ct Oval Cabochon Orange Opal (ID: 368305)
2.25 ct Opal
9.1 x 7.1 mm
$ 61.99
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ID: 3111281 pcs
thumb image of 1.5ct Pear Facet Multicolor Opal (ID: 311128)
1.49 ct Opal
11.8 x 8.3 mm
$ 59.60
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ID: 4539072 pcs
thumb image of 1.5ct Oval Facet Orange Fire Opal (ID: 453907)
1.46 ct Fire Opal
8.2 x 6.1 mm
$ 38.46
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ID: 4626834 pcs
thumb image of 1.6ct Oval Facet Multicolor Opal (ID: 462683)
1.55 ct Opal
6.8 x 4.9 mm
$ 62.00
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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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