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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (466): 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: 4324563 pcs
thumb image of 2.1ct Oval Facet Orange Fire Opal (ID: 432456)
2.12 ct Fire Opal
8.1 x 6.1 mm
$ 56.37
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ID: 3674851 pcs
thumb image of 1.2ct Oval Facet Reddish Orange Fire Opal (ID: 367485)
1.19 ct Fire Opal
8.9 x 7.7 mm
$ 39.72
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ID: 4320962 pcs
thumb image of 1.9ct Oval Facet Orange Fire Opal (ID: 432096)
1.86 ct Fire Opal
9 x 7.1 mm
$ 49.46
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ID: 4506974 pcs
thumb image of 1.4ct Oval Facet Orange Fire Opal (ID: 450697)
1.36 ct Fire Opal
6.1 x 4.3 mm
$ 36.42
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ID: 3673161 pcs
thumb image of 1.9ct Cushion-Cut Reddish Orange Fire Opal (ID: 367316)
1.91 ct Fire Opal
8.5 x 8.2 mm
$ 63.76
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ID: 4504712 pcs
thumb image of 1.5ct Oval Facet Orange Fire Opal (ID: 450471)
1.51 ct Fire Opal
8.2 x 6.2 mm
$ 40.44
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ID: 4545432 pcs
thumb image of 1.4ct Oval Facet Orange Fire Opal (ID: 454543)
1.36 ct Fire Opal
7.9 x 6.1 mm
$ 35.82
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ID: 4495864 pcs
thumb image of 2.4ct Oval Facet Orange Fire Opal (ID: 449586)
2.36 ct Fire Opal
7.7 x 6 mm
$ 63.22
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ID: 4321502 pcs
thumb image of 1.5ct Oval Facet Orange Fire Opal (ID: 432150)
1.45 ct Fire Opal
8 x 6 mm
$ 38.56
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ID: 3804061 pcs
thumb image of 15.9ct Pear Cabochon Yellow Fire Opal (ID: 380406)
15.86 ct Fire Opal
28.8 x 14.2 mm
$ 342.73
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ID: 4505552 pcs
thumb image of 1.5ct Oval Facet Orange Fire Opal (ID: 450555)
1.52 ct Fire Opal
8 x 6 mm
$ 40.71
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ID: 4506964 pcs
thumb image of 1.5ct Oval Facet Orange Fire Opal (ID: 450696)
1.45 ct Fire Opal
6.1 x 4.3 mm
$ 38.83
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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: 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: 4324482 pcs
thumb image of 2.2ct Oval Facet Orange Fire Opal (ID: 432448)
2.19 ct Fire Opal
9.1 x 7.1 mm
$ 58.23
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ID: 3804031 pcs
thumb image of 15.6ct Pear Cabochon Yellow Fire Opal (ID: 380403)
15.63 ct Fire Opal
29.4 x 14.1 mm
$ 337.76
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ID: 4504122 pcs
thumb image of 1.8ct Oval Facet Orange Fire Opal (ID: 450412)
1.79 ct Fire Opal
8.8 x 6.8 mm
$ 47.94
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ID: 3830931 pcs
thumb image of 10.9ct Pear Cabochon Yellow Fire Opal (ID: 383093)
10.94 ct Fire Opal
22.1 x 13.7 mm
$ 233.57
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ID: 3804071 pcs
thumb image of 18.4ct Pear Cabochon Yellow Fire Opal (ID: 380407)
18.36 ct Fire Opal
31.3 x 15.4 mm
$ 396.76
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ID: 3695201 pcs
thumb image of 1.2ct Oval Facet Orange Fire Opal (ID: 369520)
1.20 ct Fire Opal
8.5 x 7.2 mm
$ 38.92
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ID: 4495362 pcs
thumb image of 1.8ct Oval Facet Orange Fire Opal (ID: 449536)
1.80 ct Fire Opal
9.1 x 6.9 mm
$ 48.22
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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.
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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