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You Selected (92): Boulder Opal Boulder Opal Clear All
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| ID: 3365761 pcs |
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| 15.80 ct Boulder Opal |
| 18.6 mm |
| $ 110.60 |
| Item in Stock |
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| ID: 4495251 pcs |
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| 15.88 ct Boulder Opal |
| 22.8 x 15.2 mm |
| $ 111.16 |
| Item in Stock |
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| ID: 3108151 pcs |
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| 16.32 ct Boulder Opal |
| 18.7 x 14.7 mm |
| $ 114.24 |
| Item in Stock |
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| ID: 4495261 pcs |
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| 16.77 ct Boulder Opal |
| 27.1 x 16 mm |
| $ 117.39 |
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| ID: 3218361 pcs |
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| 13.35 ct Boulder Opal |
| 21.4 x 15 mm |
| $ 93.45 |
| Item in Stock |
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| ID: 3218371 pcs |
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| 16.89 ct Boulder Opal |
| 20.7 x 14.8 mm |
| $ 118.23 |
| Item in Stock |
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| ID: 4206741 pcs |
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| 15.53 ct Boulder Opal |
| 18.3 x 13.8 mm |
| $ 93.18 |
| Item in Stock |
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| ID: 3652241 pcs |
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| 13.21 ct Boulder Opal |
| 14.4 x 14.1 mm |
| $ 92.47 |
| Item in Stock |
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| ID: 2480001 pcs |
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| 13.14 ct Boulder Opal |
| 19.5 x 13.5 mm |
| $ 91.98 |
| Item in Stock |
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| ID: 3028991 pcs |
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| 17.27 ct Boulder Opal |
| 23.5 x 13.5 mm |
| $ 120.89 |
| Item in Stock |
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| ID: 3004561 pcs |
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| 20.74 ct Boulder Opal |
| 23.1 x 15 mm |
| $ 145.18 |
| Item in Stock |
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| ID: 4495981 pcs |
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| 12.42 ct Boulder Opal |
| 17.1 x 14.5 mm |
| $ 86.94 |
| Item in Stock |
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| ID: 3218381 pcs |
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| 20.90 ct Boulder Opal |
| 23.5 x 19.6 mm |
| $ 146.30 |
| Item in Stock |
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| ID: 3652231 pcs |
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| 13.52 ct Boulder Opal |
| 26.5 x 11.8 mm |
| $ 94.64 |
| Item in Stock |
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| ID: 3227301 pcs |
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| 11.89 ct Boulder Opal |
| 14.9 mm |
| $ 83.23 |
| Item in Stock |
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| ID: 3219201 pcs |
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| 21.04 ct Boulder Opal |
| 27.9 x 12.8 mm |
| $ 147.28 |
| Item in Stock |
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| ID: 4207791 pcs |
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| 14.72 ct Boulder Opal |
| 22.9 x 11.6 mm |
| $ 88.32 |
| Item in Stock |
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| ID: 4207441 pcs |
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| 12.87 ct Boulder Opal |
| 21 x 10 mm |
| $ 77.22 |
| Item in Stock |
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| ID: 4206821 pcs |
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| 22.65 ct Boulder Opal |
| 29.3 x 12.9 mm |
| $ 135.90 |
| Item in Stock |
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| ID: 4618761 pcs |
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| 10.73 ct Boulder Opal |
| 19.9 x 10.4 mm |
| $ 75.32 |
| Item in Stock |
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| ID: 3219211 pcs |
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| 21.32 ct Boulder Opal |
| 27.3 x 13.1 mm |
| $ 149.24 |
| Item in Stock |
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Boulder Opal
Boulder opal is the second most prized form of opal, after black opal. The name derives from the fact that boulder opal is found embedded in ironstone boulders. The opal usually forms as thin veins within these boulders, and most stones are cut to include some of the host ironstone matrix. Boulder opal is sometimes referred to as opal in matrix for this reason. Boulder opal is especially attractive because, like the black opal, it has a dark body tone which adds vibrancy to the play of color. Boulder opal also has a higher density because of the ironstone content, and can be more durable as well.
