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| ID: 4903901 pcs |
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| 1.45 ct Black Opal |
| 10.2 x 8 mm |
| $ 21.82 |
| Item in Stock |
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| ID: 4717751 pcs |
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| 5.85 ct Black Opal |
| 16.3 x 12 mm |
| $ 146.25 |
| Item in Stock |
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| ID: 4905921 pcs |
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| 1.70 ct Black Opal |
| 10 x 8.1 mm |
| $ 25.59 |
| Item in Stock |
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| ID: 4732604 pcs |
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| 5.81 ct Black Opal |
| 9.1 x 7.1 mm |
| $ 121.60 |
| Item in Stock |
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| ID: 4904641 pcs |
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| 1.76 ct Black Opal |
| 10 x 7.9 mm |
| $ 26.49 |
| Item in Stock |
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| ID: 4717681 pcs |
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| 13.14 ct Black Opal |
| 19.8 x 13.9 mm |
| $ 328.50 |
| Item in Stock |
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| ID: 4737464 pcs |
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| 5.56 ct Black Opal |
| 9 x 7.1 mm |
| $ 116.37 |
| Item in Stock |
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| ID: 48257120 pcs |
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| 4.51 ct Black Opal |
| 4.4 x 4.4 mm |
| $ 54.12 |
| Item in Stock |
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| ID: 4732654 pcs |
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| 5.54 ct Black Opal |
| 9.1 x 7.2 mm |
| $ 115.95 |
| Item in Stock |
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| ID: 4733672 pcs |
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| 2.42 ct Black Opal |
| 8.9 x 7 mm |
| $ 50.65 |
| Item in Stock |
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| ID: 4717761 pcs |
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| 4.57 ct Black Opal |
| 18.5 x 12 mm |
| $ 114.25 |
| Item in Stock |
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| ID: 4905401 pcs |
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| 1.88 ct Black Opal |
| 10.1 x 8 mm |
| $ 28.29 |
| Item in Stock |
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| ID: 4731172 pcs |
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| 2.45 ct Black Opal |
| 8.9 x 7 mm |
| $ 51.28 |
| Item in Stock |
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| ID: 4905891 pcs |
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| 1.88 ct Black Opal |
| 10.3 x 8.1 mm |
| $ 28.29 |
| Item in Stock |
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| ID: 4732674 pcs |
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| 6.38 ct Black Opal |
| 8.2 mm |
| $ 133.53 |
| Item in Stock |
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| ID: 4905831 pcs |
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| 1.94 ct Black Opal |
| 10.2 x 8.1 mm |
| $ 29.20 |
| Item in Stock |
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| ID: 4739353 pcs |
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| 5.35 ct Black Opal |
| 9.1 x 7.1 mm |
| $ 111.98 |
| Item in Stock |
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| ID: 4738551 pcs |
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| 1.25 ct Black Opal |
| 9.1 x 7.1 mm |
| $ 26.16 |
| Item in Stock |
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| ID: 4731521 pcs |
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| 1.42 ct Black Opal |
| 9.2 x 7.2 mm |
| $ 29.72 |
| Item in Stock |
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| ID: 4905451 pcs |
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| 2.00 ct Black Opal |
| 9.9 x 8 mm |
| $ 30.10 |
| Item in Stock |
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| ID: 4734421 pcs |
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| 1.50 ct Black Opal |
| 10.1 x 7.9 mm |
| $ 31.40 |
| Item in Stock |
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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.
