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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (1462): Opal Fire Opal, Moss Opal, Opal, Opal Doublet, Boulder Opal, Chocolate Opal, Black Opal, Opal in Matrix Clear All
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ID: 4419531 pcs
thumb image of 7.2ct Oval Cabochon Multicolor Opal in Matrix (ID: 441953)
7.23ct Opal in Matrix
15.69 x 11.43 x 7.12mm
USD 107.87
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ID: 3667911 pcs
thumb image of 0.8ct Round Facet Orange Fire Opal (ID: 366791)
0.77ct Fire Opal
7.00 x 3.57mm
USD 30.03
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ID: 3472781 pcs
thumb image of 0.9ct Pear Facet Multicolor Opal (ID: 347278)
0.85ct Opal
8.24 x 6.11 x 4.65mm
USD 35.70
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ID: 2480001 pcs
thumb image of 13.1ct Oval Cabochon Multicolor Boulder Opal (ID: 248000)
13.14ct Boulder Opal
19.47 x 13.51 x 5.47mm
USD 91.98
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ID: 3193871 pcs
thumb image of 5.1ct Oval Cabochon Multicolor Black Opal (ID: 319387)
5.05ct Black Opal
15.99 x 10.67 x 6.30mm
USD 202.00
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ID: 4469258 pcs
thumb image of 4.1ct Pear Cabochon Multicolor Opal Doublet (ID: 446925)
4.09ct Opal Doublet
7.11 x 5.04 x 1.98mm
USD 61.35
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ID: 3164421 pcs
thumb image of 1.4ct Oval Facet Multicolor Opal (ID: 316442)
1.35ct Opal
10.04 x 8.04 x 4.36mm
USD 56.70
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ID: 4290611 pcs
thumb image of 1ct Oval Cabochon Multicolor Opal (ID: 429061)
1.03ct Opal
8.13 x 6.12 x 4.20mm
USD 28.84
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ID: 3536201 pcs
thumb image of 4ct Pear Cabochon Multicolor Opal (ID: 353620)
3.98ct Opal
15.47 x 10.13 x 5.73mm
USD 159.20
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ID: 3688021 pcs
thumb image of 1.2ct Oval Cabochon Multicolor Opal (ID: 368802)
1.15ct Opal
10.50 x 7.50 x 3.16mm
USD 31.45
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ID: 3111261 pcs
thumb image of 1.7ct Pear Facet Multicolor Opal (ID: 311126)
1.65ct Opal
11.95 x 8.10 x 4.38mm
USD 66.00
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ID: 3081301 pcs
thumb image of 1.9ct Pear Facet Multicolor Opal (ID: 308130)
1.85ct Opal
11.88 x 8.31 x 6.05mm
USD 79.55
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ID: 3103081 pcs
thumb image of 1ct Oval Facet Multicolor Opal (ID: 310308)
0.96ct Opal
8.99 x 6.81 x 4.08mm
USD 38.40
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ID: 3624054 pcs
thumb image of 2.1ct Pear Cabochon Multicolor Opal Doublet (ID: 362405)
2.08ct Opal Doublet
7.99 x 5.08 x 1.85mm
USD 38.00
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ID: 3668741 pcs
thumb image of 1.1ct Trillion Facet Reddish Orange Fire Opal (ID: 366874)
1.12ct Fire Opal
8.48 x 8.30 x 4.76mm
USD 43.88
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ID: 3672234 pcs
thumb image of 2.8ct Oval Facet Reddish Orange Fire Opal (ID: 367223)
2.77ct Fire Opal
7.69 x 5.53 x 3.51mm
USD 92.38
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ID: 4291911 pcs
thumb image of 0.8ct Oval Cabochon Multicolor Opal (ID: 429191)
0.77ct Opal
7.98 x 6.03 x 3.39mm
USD 21.56
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ID: 3668201 pcs
thumb image of 1.9ct Oval Facet Orange Fire Opal (ID: 366820)
1.92ct Fire Opal
10.15 x 8.01 x 5.10mm
USD 74.88
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ID: 4421861 pcs
thumb image of 5.7ct Oval Cabochon Multicolor Opal in Matrix (ID: 442186)
5.69ct Opal in Matrix
12.08 x 11.32 x 7.26mm
USD 84.89
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ID: 4293461 pcs
thumb image of 0.8ct Oval Cabochon Multicolor Opal (ID: 429346)
0.76ct Opal
8.14 x 6.17 x 3.01mm
USD 21.28
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ID: 4288082 pcs
thumb image of 1.7ct Oval Cabochon Multicolor Opal (ID: 428808)
1.73ct Opal
8.16 x 6.08 x 3.95mm
USD 48.44
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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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