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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1743): Opal Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal, Opal in Matrix Clear All
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ID: 4420081 pcs
thumb image of 2.1ct Oval Cabochon Multicolor Opal in Matrix (ID: 442008)
2.13 ct Opal in Matrix
9.9 x 7.5 mm
$ 31.78
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ID: 4766102 pcs
thumb image of 0.7ct Oval Cabochon Yellow Opal (ID: 476610)
0.73 ct Opal
6.2 x 4.2 mm
$ 15.46
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ID: 4422361 pcs
thumb image of 13.8ct Pear Cabochon Multicolor Opal in Matrix (ID: 442236)
13.84 ct Opal in Matrix
18 x 13.4 mm
$ 206.49
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ID: 4506281 pcs
thumb image of 1ct Oval Facet Orange Fire Opal (ID: 450628)
0.96 ct Fire Opal
8.9 x 7.1 mm
$ 25.71
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ID: 4419501 pcs
thumb image of 5.5ct Pear Cabochon Multicolor Opal in Matrix (ID: 441950)
5.45 ct Opal in Matrix
13.4 x 11.9 mm
$ 81.31
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ID: 4622211 pcs
thumb image of 12.1ct Trillion Cabochon White Opal (ID: 462221)
12.06 ct Opal
18 x 17.2 mm
$ 485.54
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ID: 3668961 pcs
thumb image of 1ct Oval Facet Orange Fire Opal (ID: 366896)
1.01 ct Fire Opal
8.2 x 6.2 mm
$ 39.39
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ID: 4738511 pcs
thumb image of 1.5ct Oval Cabochon Multicolor Black Opal (ID: 473851)
1.49 ct Black Opal
9.1 x 7.1 mm
$ 31.19
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ID: 4736381 pcs
thumb image of 1.4ct Oval Cabochon Multicolor Black Opal (ID: 473638)
1.36 ct Black Opal
9.2 x 7.3 mm
$ 28.46
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ID: 4787921 pcs
thumb image of 0.8ct Trillion Cabochon White Opal (ID: 478792)
0.79 ct Opal
7 x 7.1 mm
$ 27.65
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ID: 3147371 pcs
thumb image of 1.3ct Oval Facet Yellow Opal (ID: 314737)
1.27 ct Opal
10 x 8 mm
$ 50.80
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ID: 4495844 pcs
thumb image of 2ct Oval Facet Orange Fire Opal (ID: 449584)
2.02 ct Fire Opal
7 x 5.2 mm
$ 54.12
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ID: 3682962 pcs
thumb image of 1.9ct Oval Cabochon Orange Opal (ID: 368296)
1.87 ct Opal
8 x 6.1 mm
$ 51.52
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ID: 4506201 pcs
thumb image of 1ct Oval Facet Orange Fire Opal (ID: 450620)
0.98 ct Fire Opal
8.9 x 7.1 mm
$ 26.24
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ID: 4621391 pcs
thumb image of 11.9ct Oval Cabochon White Opal (ID: 462139)
11.89 ct Opal
17.7 x 13.7 mm
$ 478.69
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ID: 4755493 pcs
thumb image of 0.9ct Oval Cabochon Yellow Opal (ID: 475549)
0.90 ct Opal
6 x 4.1 mm
$ 19.06
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ID: 4736331 pcs
thumb image of 1.2ct Oval Cabochon Multicolor Black Opal (ID: 473633)
1.22 ct Black Opal
9.1 x 7.1 mm
$ 25.53
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ID: 3682972 pcs
thumb image of 1.4ct Oval Cabochon Orange Opal (ID: 368297)
1.43 ct Opal
8.1 x 6.2 mm
$ 39.40
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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: 3674164 pcs
thumb image of 3.7ct Oval Facet Reddish Orange Fire Opal (ID: 367416)
3.67 ct Fire Opal
7.4 x 6 mm
$ 122.50
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ID: 4797902 pcs
thumb image of 2.2ct Oval Cabochon Yellow Opal (ID: 479790)
2.21 ct Opal
8.8 x 6.9 mm
$ 58.68
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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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