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Buy Mexican Opals Gems

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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (259): Mexican Opals - Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal, Opal in Matrix Clear All
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Reddish Orange Fire Opal Gem - 3.2ct Oval Facet (ID: 366922)

Oval Orange Fire Opal

3.2ct
11.7 x 9.1 mm
$ 126.36
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2 pcs
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Orange Fire Opal Gem - 0.9ct Oval Facet (ID: 453905)

Oval Orange Fire Opal

0.94 ct (total 1.87ctw)
8 x 6.1 mm
$ 49.26
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1 pc
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Orange Fire Opal Gem - 2.2ct Octagon Facet (ID: 366914)

Octagon / Emerald Cut Orange Fire Opal

2.2ct
13.9 x 6.3 mm
$ 86.97
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1 pc
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Yellow Orange Fire Opal Gem - 12.5ct Cushion Cabochon (ID: 380107)

Cushion Orange Fire Opal

12.5ct
17.3 x 14.2 mm
$ 438.20
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Reddish Orange Fire Opal Gem - 3.2ct Cushion-Cut (ID: 370400)

Cushion Orange Fire Opal

3.2ct
14.8 x 8 mm
$ 144.90
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4 pcs
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Reddish Orange Fire Opal Gem - 1.1ct Oval Facet (ID: 367224)

Oval Orange Fire Opal

1.07 ct (total 4.27ctw)
8.2 x 6.5 mm
$ 142.40
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2 pcs
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Orange Fire Opal Gem - 1.1ct Oval Facet (ID: 450414)

Oval Orange Fire Opal

1.10 ct (total 2.19ctw)
8.9 x 7.1 mm
$ 58.65
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Orange Fire Opal Gem - 2.6ct Oval Facet (ID: 370405)

Oval Orange Fire Opal

2.6ct
11.1 x 8.9 mm
$ 69.93
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Reddish Orange Fire Opal Gem - 1.9ct Oval Facet (ID: 366823)

Oval Orange Fire Opal

1.9ct
10.2 x 8.2 mm
$ 74.49
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Reddish Orange Fire Opal Gem - 2.7ct Oval Facet (ID: 369758)

Oval Orange Fire Opal

2.7ct
10.9 x 9.1 mm
$ 86.91
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4 pcs
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Orange Fire Opal Gem - 0.8ct Oval Facet (ID: 454025)

Oval Orange Fire Opal

0.83 ct (total 3.33ctw)
8.8 x 7 mm
$ 87.71
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2 pcs
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Orange Fire Opal Gem - 0.7ct Oval Facet (ID: 432149)

Oval Orange Fire Opal

0.73 ct (total 1.45ctw)
8.1 x 6.1 mm
$ 38.56
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2 pcs
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Orange Fire Opal Gem - 0.8ct Oval Facet (ID: 450405)

Oval Orange Fire Opal

0.81 ct (total 1.62ctw)
7.7 x 6.1 mm
$ 43.38
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5 pcs
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Orange Fire Opal Gem - 0.3ct Oval Facet (ID: 454467)

Oval Orange Fire Opal

0.32 ct (total 1.60ctw)
6.6 x 4.9 mm
$ 42.14
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2 pcs
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Orange Fire Opal Gem - 0.9ct Oval Facet (ID: 454300)

Oval Orange Fire Opal

0.94 ct (total 1.87ctw)
9.1 x 7.1 mm
$ 49.26
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2 pcs
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Orange Fire Opal Gem - 0.9ct Oval Facet (ID: 449570)

Oval Orange Fire Opal

0.88 ct (total 1.76ctw)
8.1 x 6.1 mm
$ 47.15
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2 pcs
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Orange Fire Opal Gem - 0.9ct Oval Facet (ID: 453909)

Oval Orange Fire Opal

0.94 ct (total 1.88ctw)
8.9 x 7.1 mm
$ 49.52
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Orange Fire Opal Gem - 1.3ct Trillion Facet (ID: 463200)

Trillion Orange Fire Opal

1.3ct
9.3 x 7.7 mm
$ 43.46
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2 pcs
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Orange Fire Opal Gem - 0.9ct Oval Facet (ID: 454171)

Oval Orange Fire Opal

0.85 ct (total 1.69ctw)
8.2 x 6.2 mm
$ 44.51
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Reddish Orange Fire Opal Gem - 1.2ct Diamond-Cut (ID: 369575)

Round Orange Fire Opal

1.2ct
8.4 mm
$ 39.56
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2 pcs
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Orange Fire Opal Gem - 0.8ct Oval Facet (ID: 449539)

Oval Orange Fire Opal

0.76 ct (total 1.52ctw)
8 x 6.1 mm
$ 40.72
Item in Stock
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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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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