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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1406): Opal Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal, Opal in Matrix Clear All
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ID: 3686922 pcs
thumb image of 1.7ct Oval Cabochon Multicolor Opal (ID: 368692)
1.74ct Opal
8.17 x 6.16 x 3.78mm
USD 47.59
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ID: 4313681 pcs
thumb image of 0.7ct Oval Cabochon Multicolor Opal (ID: 431368)
0.66ct Opal
6.94 x 5.71 x 3.72mm
USD 13.20
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ID: 3831741 pcs
thumb image of 0.8ct Round Facet Reddish Orange Fire Opal (ID: 383174)
0.76ct Fire Opal
6.56 x 4.24mm
USD 24.34
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ID: 3670341 pcs
thumb image of 3.2ct Cushion-Cut Reddish Orange Fire Opal (ID: 367034)
3.21ct Fire Opal
10.17 x 10.09 x 6.41mm
USD 107.05
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ID: 4323311 pcs
thumb image of 1ct Oval Facet Orange Fire Opal (ID: 432331)
1.04ct Fire Opal
9.07 x 6.99 x 4.45mm
USD 27.65
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ID: 3117551 pcs
thumb image of 2.5ct Oval Facet Multicolor Opal (ID: 311755)
2.49ct Opal
12.35 x 9.03 x 6.51mm
USD 99.60
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ID: 3460121 pcs
thumb image of 1ct Oval Facet Multicolor Opal (ID: 346012)
0.97ct Opal
8.19 x 6.17 x 4.90mm
USD 38.80
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ID: 3145971 pcs
thumb image of 1.3ct Marquise Facet Multicolor Opal (ID: 314597)
1.33ct Opal
13.59 x 6.29 x 4.44mm
USD 53.20
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ID: 3166341 pcs
thumb image of 1.7ct Oval Facet Multicolor Opal (ID: 316634)
1.67ct Opal
10.59 x 7.85 x 5.11mm
USD 70.14
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ID: 3165381 pcs
thumb image of 1.4ct Oval Facet Multicolor Opal (ID: 316538)
1.39ct Opal
10.13 x 8.10 x 4.23mm
USD 58.38
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ID: 3671281 pcs
thumb image of 1.5ct Oval Facet Reddish Orange Fire Opal (ID: 367128)
1.53ct Fire Opal
10.73 x 7.37 x 4.29mm
USD 51.03
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ID: 3683052 pcs
thumb image of 2.3ct Oval Cabochon Multicolor Opal (ID: 368305)
2.25ct Opal
9.10 x 7.05 x 3.78mm
USD 61.99
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ID: 4421811 pcs
thumb image of 2.5ct Pear Cabochon Multicolor Opal in Matrix (ID: 442181)
2.54ct Opal in Matrix
12.45 x 7.71 x 5.33mm
USD 37.90
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ID: 4322891 pcs
thumb image of 0.9ct Round Cabochon Multicolor Opal (ID: 432289)
0.85ct Opal
6.84 x 4.06mm
USD 23.80
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ID: 3218381 pcs
thumb image of 20.9ct Pear Cabochon Multicolor Boulder Opal (ID: 321838)
20.90ct Boulder Opal
23.48 x 19.55 x 6.06mm
USD 146.30
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ID: 4059171 pcs
thumb image of 1.1ct Round Facet Orange Fire Opal (ID: 405917)
1.10ct Fire Opal
7.96 x 5.56mm
USD 25.94
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ID: 4320282 pcs
thumb image of 1ct Oval Facet Orange Fire Opal (ID: 432028)
1.03ct Fire Opal
7.90 x 5.98 x 3.05mm
USD 27.39
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ID: 3682992 pcs
thumb image of 2.9ct Oval Cabochon Multicolor Opal (ID: 368299)
2.85ct Opal
9.00 x 7.12 x 4.49mm
USD 78.52
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ID: 3197111 pcs
thumb image of 1.6ct Pear Facet Multicolor Opal (ID: 319711)
1.61ct Opal
9.03 x 8.91 x 5.69mm
USD 54.74
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ID: 4324522 pcs
thumb image of 1.7ct Oval Facet Orange Fire Opal (ID: 432452)
1.68ct Fire Opal
8.04 x 6.15 x 4.67mm
USD 44.67
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ID: 3669221 pcs
thumb image of 3.2ct Oval Facet Reddish Orange Fire Opal (ID: 366922)
3.24ct Fire Opal
11.69 x 9.06 x 6.53mm
USD 126.36
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Opal
Opal, more than any other gem, each opalis 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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