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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (433): Mexican Opals Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal, Opal in Matrix Clear All
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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: 4504052 pcs
thumb image of 1.6ct Oval Facet Orange Fire Opal (ID: 450405)
1.62 ct Fire Opal
7.7 x 6.1 mm
$ 43.38
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ID: 4506984 pcs
thumb image of 1.8ct Oval Facet Orange Fire Opal (ID: 450698)
1.81 ct Fire Opal
6.9 x 5 mm
$ 48.47
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ID: 3695741 pcs
thumb image of 1.1ct Round Facet Orange Fire Opal (ID: 369574)
1.08 ct Fire Opal
7.2 mm
$ 35.02
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ID: 4504692 pcs
thumb image of 1.4ct Oval Facet Orange Fire Opal (ID: 450469)
1.39 ct Fire Opal
8 x 6.1 mm
$ 37.22
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ID: 4542721 pcs
thumb image of 1.7ct Oval Facet Orange Fire Opal (ID: 454272)
1.65 ct Fire Opal
10.1 x 7.9 mm
$ 43.46
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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: 4540234 pcs
thumb image of 2.5ct Oval Facet Orange Fire Opal (ID: 454023)
2.50 ct Fire Opal
7.7 x 5.9 mm
$ 65.85
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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: 4543102 pcs
thumb image of 1.8ct Oval Facet Orange Fire Opal (ID: 454310)
1.84 ct Fire Opal
9.1 x 7.1 mm
$ 48.47
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ID: 3804011 pcs
thumb image of 15.8ct Oval Cabochon Yellow Fire Opal (ID: 380401)
15.79 ct Fire Opal
22.3 x 14.9 mm
$ 341.22
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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: 3698011 pcs
thumb image of 2.4ct Oval Facet Reddish Orange Fire Opal (ID: 369801)
2.43 ct Fire Opal
10.5 x 8.9 mm
$ 64.61
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ID: 4540304 pcs
thumb image of 2.3ct Oval Facet Orange Fire Opal (ID: 454030)
2.26 ct Fire Opal
7.1 x 5.1 mm
$ 59.53
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ID: 4322471 pcs
thumb image of 0.8ct Oval Facet Orange Fire Opal (ID: 432247)
0.78 ct Fire Opal
7.7 x 5.9 mm
$ 20.74
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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: 4311421 pcs
thumb image of 1.9ct Pear Facet Orange Fire Opal (ID: 431142)
1.90 ct Fire Opal
16.5 x 6.6 mm
$ 66.40
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ID: 4495542 pcs
thumb image of 1.4ct Oval Facet Orange Fire Opal (ID: 449554)
1.38 ct Fire Opal
8 x 6.1 mm
$ 36.97
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ID: 4544745 pcs
thumb image of 2ct Oval Facet Orange Fire Opal (ID: 454474)
1.96 ct Fire Opal
7 x 5.1 mm
$ 51.63
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ID: 3804051 pcs
thumb image of 21.5ct Pear Cabochon Yellow Fire Opal (ID: 380405)
21.54 ct Fire Opal
29.7 x 16.3 mm
$ 465.48
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ID: 4322984 pcs
thumb image of 1.9ct Oval Facet Orange Fire Opal (ID: 432298)
1.88 ct Fire Opal
7 x 5.2 mm
$ 49.99
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Mexican Opals
More than any other gem, each opal is distinctly an individual. No other stone has as rich and varied a folklore. Opals are also the most delicate gems commonly worn. They require special care to ensure their health and longevity.

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.

Opal is relatively soft, with a rating of 5.5-6.5 on the Mohs scale. Despite its frequent use in rings, opal is a poor choice for a ring stone; it is much better suited to earrings, pins, and pendants.

Major suppliers include Australia, Brazil, Mexico, and the US. Values are normally determined by the presence and nature of color flashes.

Shop for Mexican opal gemstones in a variety of calibrated sizes, cuts and colors, including white, yellow, orange and red fire opal gems.
English speaking customer support only

Toll Free - USA & Canada only:
1-800-464-1640

International:
+66-39303404

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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

Size Comparison Chart