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ID: 2940544 pcs
2.36ctw Opal Doublet
7.12mm x 4.90mm x 1.60mm
USD 70.80
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ID: 20124216 pcs
12.07ctw Opal Doublet
8.05mm x 6.04mm x 1.64mm
USD 54.32
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ID: 4206141 pcs
7.46ct Opal Doublet
22.78mm x 11.61mm x 2.95mm
USD 119.36
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ID: 4206221 pcs
12.44ct Opal Doublet
41.45mm x 8.99mm x 3.37mm
USD 199.04
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ID: 3913422 pcs
6.68ctw Opal Doublet
17.42mm x 8.63mm x 2.92mm
USD 112.29
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ID: 4206211 pcs
7.85ct Opal Doublet
21.70mm x 14.19mm x 2.91mm
USD 125.60
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ID: 3579131 pcs
8.91ct Opal Doublet
20.38mm x 17.50mm x 3.49mm
USD 57.92
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ID: 4287654 pcs
2.12ctw Opal Doublet
6.84mm x 4.98mm x 1.65mm
USD 49.14
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ID: 3636764 pcs
2.02ctw Opal Doublet
7.02mm x 5.07mm x 1.88mm
USD 38.52
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ID: 3625784 pcs
2.33ctw Opal Doublet
8.08mm x 5.08mm x 1.86mm
USD 42.57
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ID: 3913412 pcs
3.53ctw Opal Doublet
12.92mm x 8.17mm x 2.24mm
USD 59.34
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ID: 39160620 pcs
3.47ctw Opal Doublet
5.01mm x 3.20mm x 1.27mm
USD 58.33
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ID: 3577881 pcs
5.44ct Opal Doublet
18.00mm x 12.89mm x 3.05mm
USD 35.36
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ID: 3625734 pcs
2.24ctw Opal Doublet
7.92mm x 5.03mm x 1.91mm
USD 40.92
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ID: 3623314 pcs
2.52ctw Opal Doublet
8.09mm x 5.10mm x 2.00mm
USD 46.04
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ID: 39160420 pcs
7.43ctw Opal Doublet
6.18mm x 4.09mm x 1.75mm
USD 124.90
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ID: 4004014 pcs
1.85ctw Opal Doublet
7.07mm x 4.88mm x 1.82mm
USD 33.80
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ID: 3090154 pcs
2.21ctw Opal Doublet
7.04mm x 5.01mm x 1.88mm
USD 55.25
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ID: 4206111 pcs
8.39ct Opal Doublet
21.52mm x 15.45mm x 2.60mm
USD 134.24
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ID: 2940484 pcs
1.98ctw Opal Doublet
6.99mm x 5.16mm x 1.79mm
USD 59.40
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ID: 4207131 pcs
4.43ct Opal Doublet
16.04mm x 10.04mm x 2.61mm
USD 70.88
Item in Stock
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Opal Doublet
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 insure 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.

An opal doublet consists of a slice of opal glued to a black backing, designed to imitate the appearance of a solid black opal. Adhering the slice of opal to a black backing causes the colour to become much darker and more vibrant. Opal doublets are highly regarded as an inexpensive alternative to solid opals which are very expensive in larger sizes.
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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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