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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (59): Black Opal Black Opal Clear All
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ID: 3244031 pcs
2.96ct Black Opal
13.19 x 10.24 x 5.36mm
USD 118.40
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ID: 3193871 pcs
5.05ct Black Opal
15.99 x 10.67 x 6.30mm
USD 202.00
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ID: 3292456 pcs
4.50ctw Black Opal
8.00 x 6.03 x 3.29mm
USD 180.00
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ID: 3193891 pcs
5.56ct Black Opal
21.00 x 9.49 x 6.63mm
USD 222.40
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ID: 4413024 pcs
1.56ctw Black Opal
5.88 x 4.00 x 3.32mm
USD 62.40
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ID: 3529651 pcs
2.56ct Black Opal
11.02 x 10.49 x 5.06mm
USD 102.40
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ID: 3298055 pcs
2.49ctw Black Opal
6.92 x 5.00 x 2.95mm
USD 99.60
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ID: 3291364 pcs
4.29ctw Black Opal
8.16 x 6.17 x 4.39mm
USD 171.60
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ID: 3175901 pcs
4.27ct Black Opal
15.29 x 9.53 x 5.11mm
USD 170.80
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ID: 3245291 pcs
4.89ct Black Opal
15.22 x 9.69 x 6.08mm
USD 195.60
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ID: 4411332 pcs
3.03ctw Black Opal
9.08 x 7.08 x 4.92mm
USD 121.20
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ID: 3297854 pcs
2.13ctw Black Opal
6.93 x 5.02 x 3.23mm
USD 85.20
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ID: 3298015 pcs
2.44ctw Black Opal
6.95 x 5.02 x 2.95mm
USD 97.60
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ID: 3245241 pcs
3.57ct Black Opal
12.86 x 12.12 x 5.59mm
USD 142.80
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ID: 3193901 pcs
3.99ct Black Opal
18.74 x 8.27 x 6.82mm
USD 159.60
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ID: 3297995 pcs
2.67ctw Black Opal
6.98 x 4.95 x 3.19mm
USD 106.80
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ID: 3294964 pcs
1.74ctw Black Opal
5.94 x 4.02 x 3.50mm
USD 69.60
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ID: 3297985 pcs
2.36ctw Black Opal
6.95 x 5.01 x 2.80mm
USD 94.40
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ID: 3302501 pcs
7.39ct Black Opal
15.56 x 11.40 x 8.76mm
USD 295.60
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ID: 3294934 pcs
1.62ctw Black Opal
5.90 x 4.03 x 3.39mm
USD 64.80
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ID: 3297955 pcs
2.70ctw Black Opal
6.96 x 5.03 x 3.36mm
USD 108.00
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

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Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

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