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ID: 4206551 pcs
2.89ct Opal Doublet
13.75 x 9.12 x 2.58mm
USD 46.24
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ID: 4206221 pcs
12.44ct Opal Doublet
41.45 x 8.99 x 3.37mm
USD 199.04
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ID: 3032262 pcs
1.79ctw Opal Doublet
8.04 x 5.90 x 1.82mm
USD 44.75
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ID: 3625734 pcs
2.24ctw Opal Doublet
7.92 x 5.03 x 1.91mm
USD 40.92
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ID: 3625174 pcs
2.33ctw Opal Doublet
8.03 x 5.02 x 1.68mm
USD 42.57
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ID: 4207841 pcs
4.59ct Opal Doublet
16.85 x 10.85 x 2.88mm
USD 73.44
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ID: 4207871 pcs
4.18ct Opal Doublet
17.41 x 12.07 x 2.38mm
USD 66.88
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ID: 4207171 pcs
3.26ct Opal Doublet
16.17 x 9.74 x 2.35mm
USD 52.16
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ID: 2496675 pcs
3.60ctw Opal Doublet
7.93 x 5.96 x 1.64mm
USD 16.20
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ID: 2939912 pcs
1.03ctw Opal Doublet
6.90 x 4.75 x 1.76mm
USD 30.90
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ID: 4341874 pcs
1.91ctw Opal Doublet
6.94 x 5.02 x 1.70mm
USD 36.42
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ID: 2939984 pcs
2.30ctw Opal Doublet
6.92 x 4.97 x 1.80mm
USD 69.00
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ID: 35309916 pcs
11.59ctw Opal Doublet
8.06 x 6.05 x 1.69mm
USD 52.16
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ID: 2940684 pcs
2.00ctw Opal Doublet
6.90 x 4.97 x 1.57mm
USD 60.00
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ID: 20132516 pcs
11.31ctw Opal Doublet
8.07 x 6.03 x 1.43mm
USD 50.90
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ID: 4206191 pcs
9.40ct Opal Doublet
26.24 x 13.28 x 2.82mm
USD 150.40
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ID: 3624014 pcs
2.19ctw Opal Doublet
7.11 x 5.15 x 2.11mm
USD 40.01
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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