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Search Result > Total (13) Items Found. Sort By :  Price  |  Price Per Carat  |  Weight  |  Shape 

Opals are composed of hydrated silica, and can contain up to twenty percent water by weight. The material is usually sub-classified as either “precious” or “common”, depending on whether or not its surface is able to display the iridescent play-of-color effect for which the species is best known. In the case of common opals, this phenomenon is not present and such stones are usually discarded if they do not possess unusual or attractive visual characteristics.

When they are retained and sold, common opals are given a wide range of varietal names depending on their inclusions, body color and/or degree of transparency. These include  “liver opal” (brownish), “prase opal” (yellowish-green and somewhat translucent), “jasper opal” (reddish-brown and opaque), “moss/dendritic opal” (contains plant-like inclusions) and “wax opal” (yellowish, with a waxy luster).

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IDP0351
Boulder Opal 6.67 carats
$ 135.00
1 pcs 6.67cts

 
IDP0368
Boulder Opal
$ 50.00
1 pcs 4.88cts

 
AGC0377
Rough Boulder Opal
$ 300.00
1 pcs 28.70g

 
AGC0378
Rough Boulder Opal
$ 300.00
1 pcs 46.02g

 
AGC0379
Rough Boulder Opal
$ 400.00
1 pcs 25.36g

 
AGC0380
Rough Boulder Opal
$ 400.00
1 pcs 11.07g

 
AGC0373
Rough Boulder Opal
$ 100.00
1 pcs 23.81g

 
AGC0374
Rough Boulder Opal
$ 200.00
1 pcs 17.52g

 
AGC0375
Rough Boulder Opal
$ 200.00
1 pcs 93.21g

 
AGC0376
Rough Boulder Opal
$ 200.00
1 pcs 37.38g

 
AGC0381
Rough Boulder Opal
$ 400.00
1 pcs 16.50g

 
AGC0382
Rough Boulder Opal
$ 400.00
1 pcs 74.51g

 
AGC0383
Rough Boulder Opal
$ 600.00
1 pcs 76.56g

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