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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (61): Black Opal Clear All
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ID: 3245291 pcs
4.89ct Black Opal
15.22mm x 9.69mm x 6.08mm
USD 195.60
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ID: 3297844 pcs
2.54ctw Black Opal
6.99mm x 5.05mm x 3.53mm
USD 101.60
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ID: 3297985 pcs
2.36ctw Black Opal
6.95mm x 5.01mm x 2.80mm
USD 94.40
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ID: 3238631 pcs
2.19ct Black Opal
15.00mm x 7.57mm x 4.53mm
USD 87.60
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ID: 3294934 pcs
1.62ctw Black Opal
5.90mm x 4.03mm x 3.39mm
USD 64.80
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ID: 3634661 pcs
3.80ct Black Opal
15.19mm x 9.47mm x 5.29mm
USD 152.00
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ID: 3529651 pcs
2.56ct Black Opal
11.02mm x 10.49mm x 5.06mm
USD 102.40
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ID: 3326721 pcs
6.12ct Black Opal
15.84mm x 11.50mm x 6.80mm
USD 244.80
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ID: 3193871 pcs
5.05ct Black Opal
15.99mm x 10.67mm x 6.30mm
USD 202.00
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ID: 3291304 pcs
3.10ctw Black Opal
8.00mm x 6.06mm x 3.37mm
USD 124.00
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ID: 3302451 pcs
6.74ct Black Opal
14.72mm x 11.91mm x 8.13mm
USD 269.60
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ID: 3298154 pcs
5.72ctw Black Opal
9.10mm x 7.09mm x 4.59mm
USD 228.80
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ID: 3297854 pcs
2.13ctw Black Opal
6.93mm x 5.02mm x 3.23mm
USD 85.20
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ID: 3634641 pcs
3.14ct Black Opal
15.41mm x 8.97mm x 5.01mm
USD 125.60
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ID: 3175901 pcs
4.27ct Black Opal
15.29mm x 9.53mm x 5.11mm
USD 170.80
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ID: 3243941 pcs
2.18ct Black Opal
13.15mm x 9.07mm x 4.42mm
USD 87.20
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ID: 3297975 pcs
3.11ctw Black Opal
6.95mm x 5.04mm x 3.58mm
USD 124.40
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ID: 3238641 pcs
5.21ct Black Opal
16.03mm x 10.89mm x 6.93mm
USD 208.40
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ID: 3242511 pcs
4.92ct Black Opal
13.28mm x 10.69mm x 6.99mm
USD 196.80
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ID: 3296142 pcs
1.30ctw Black Opal
7.06mm x 4.98mm x 3.47mm
USD 52.00
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ID: 3291334 pcs
3.44ctw Black Opal
8.03mm x 6.04mm x 3.96mm
USD 137.60
Item in Stock
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Black Opal
Black opal is considered the most valuable of opal varieties. Black opal contains traces of iron oxide and carbon elements not found in other common opals. These combined elements give black opal the unique color properties it is famed for. Black opal is mainly found in Lightning Ridge of NSW, Australia. In 2008, New South Wales declared Black opal as its Official State Gemstone.

Ethiopia is also known to produce treated black opal. The Ethiopian black opal is treated with a smoking process that darkens the color of the opal. The treatment enhances the play of color, rivaling some of Lightning Ridge's opals. The treated Ethiopian black opal is a great value gem because it sells for much less than Australian black opal.

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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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