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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1829): Opal - Fire Opal, Moss Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal, Opal in Matrix, Cat's Eye Opal Clear All
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ID: 3695721 pcs
thumb image of 1.2ct Round Facet Reddish Orange Fire Opal (ID: 369572)
1.23 ct Fire Opal
7.6 mm
$ 39.89
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ID: 4672701 pcs
thumb image of 18.3ct Oval Cabochon White Opal (ID: 467270)
18.33 ct Opal
20 x 16.9 mm
$ 737.97
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ID: 4834721 pcs
thumb image of 6.1ct Oval Cabochon Pink Opal (ID: 483472)
6.09 ct Opal
14 x 10.2 mm
$ 20.28
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ID: 4649344 pcs
thumb image of 1.7ct Round Cabochon Multicolor Black Opal (ID: 464934)
1.65 ct Black Opal
5.1 mm
$ 49.50
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ID: 3182671 pcs
thumb image of 1.1ct Oval Facet Multicolor Opal (ID: 318267)
1.07 ct Opal
8.9 x 7 mm
$ 44.94
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ID: 48084330 pcs
thumb image of 3.5ct Square with Hole Yellow Opal (ID: 480843)
3.48 ct Opal
3.8 x 3.7 mm
$ 22.55
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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: 4914141 pcs
thumb image of 1.1ct Oval Cabochon Pink Opal (ID: 491414)
1.14 ct Opal
9 x 6.9 mm
$ 2.54
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ID: 4905441 pcs
thumb image of 1.4ct Pear Cabochon Multicolor Black Opal (ID: 490544)
1.38 ct Black Opal
9.2 x 7.5 mm
$ 20.77
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ID: 4848242 pcs
thumb image of 6.4ct Oval Cabochon Pink Opal (ID: 484824)
6.37 ct Opal
11 x 9.1 mm
$ 21.02
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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: 4915231 pcs
thumb image of 1.3ct Cushion Cabochon Pink Opal (ID: 491523)
1.26 ct Opal
8.5 x 7 mm
$ 2.81
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ID: 4733662 pcs
thumb image of 1.9ct Oval Cabochon Multicolor Black Opal (ID: 473366)
1.91 ct Black Opal
8.9 x 7.1 mm
$ 39.98
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ID: 4542201 pcs
thumb image of 0.8ct Oval Facet Orange Fire Opal (ID: 454220)
0.84 ct Fire Opal
7.7 x 6 mm
$ 22.13
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ID: 4616481 pcs
thumb image of 1.2ct Oval Facet Multicolor Opal (ID: 461648)
1.21 ct Opal
10.1 x 8.1 mm
$ 42.79
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ID: 4717096 pcs
thumb image of 1.6ct Oval Facet White Opal (ID: 471709)
1.61 ct Opal
6.1 x 4.1 mm
$ 50.54
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ID: 4621351 pcs
thumb image of 15.4ct Oval Cabochon Yellow Opal (ID: 462135)
15.44 ct Opal
18.8 x 15.7 mm
$ 621.61
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ID: 4907021 pcs
thumb image of 1.4ct Oval Cabochon Multicolor Black Opal (ID: 490702)
1.41 ct Black Opal
9 x 7.1 mm
$ 21.22
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ID: 4914181 pcs
thumb image of 1.3ct Oval Cabochon Pink Opal (ID: 491418)
1.33 ct Opal
8.1 x 6.5 mm
$ 2.97
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ID: 4919762 pcs
thumb image of 10.5ct Oval Cabochon Pink Opal (ID: 491976)
10.54 ct Opal
14 x 10 mm
$ 23.50
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ID: 4907691 pcs
thumb image of 1.4ct Oval Cabochon Multicolor Black Opal (ID: 490769)
1.41 ct Black Opal
10.1 x 8.1 mm
$ 21.22
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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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