Types of Opal

There are many different types of opal in the world, including natural and man-made. Natural opal is also named solid opal. Man-made opal includes doublets, triplets and treated opal.

dendritic-opal-gems-925-sterling-silver-pendant-1-1-2- DENDRITIC OPAL GEMS .925 STERLING SILVER PENDANT 1 1/2"
US $12.00 (6 Bids)
End Date: Saturday Mar-13-2010 16:29:18 PST
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opal-rare-stripe-pattern-1-55ct-polished-gem OPAL - RARE STRIPE PATTERN -- 1.55ct -- POLISHED GEM
US $11.11 (2 Bids)
End Date: Saturday Mar-13-2010 17:06:29 PST
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8x12mm-blue-mexico-cat-eye-opal-rice-gem-loose-bead-15- 8X12MM Blue Mexico Cat Eye Opal Rice Gem Loose Bead 15"
US $2.33 (3 Bids)
End Date: Saturday Mar-13-2010 17:28:06 PST
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8-12mm-blue-cat-s-eye-opal-gemstone-loose-bead-gem-15- 8-12mm Blue Cat's Eye Opal Gemstone Loose Bead Gem 15''
US $2.28 (4 Bids)
End Date: Saturday Mar-13-2010 17:40:26 PST
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8-40-cts-amazing-ethiopian-welo-gem-opal-sale-z-975 8.40 cts. - AMAZING ETHIOPIAN WELO GEM OPAL SALE #Z-975
US $3.77 (4 Bids)
End Date: Saturday Mar-13-2010 18:11:18 PST
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8mm-wine-red-mexican-opal-gems-round-loose-beads-15- 8mm Wine Red Mexican Opal Gems Round Loose Beads 15''
US $2.14 (3 Bids)
End Date: Saturday Mar-13-2010 18:13:46 PST
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flawless-&-big-2-3-opal-gem-ammolite-ammonite!!!!! FLAWLESS & BIG 2.3" OPAL GEM AMMOLITE AMMONITE!!!!!
US $9.99 (1 Bid)
End Date: Saturday Mar-13-2010 18:19:53 PST
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3-19-cts-amazing-ethiopian-welo-gem-opal-sale-z-981 3.19 cts. - AMAZING ETHIOPIAN WELO GEM OPAL SALE #Z-981
US $1.25 (1 Bid)
End Date: Saturday Mar-13-2010 18:52:00 PST
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30x22mm-best-royal-blue-black-base-gem-paua-opal 30x22mm BEST ROYAL BLUE " Black Base " GEM PAUA OPAL
US $20.50 (2 Bids)
End Date: Saturday Mar-13-2010 19:08:11 PST
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1-84-cts-amazing-ethiopian-welo-gem-opal-sale-z-982 1.84 cts. - AMAZING ETHIOPIAN WELO GEM OPAL SALE #Z-982
US $1.25 (1 Bid)
End Date: Saturday Mar-13-2010 19:14:35 PST
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beautiful-solid-black-opal-blue-flash-1-3ct-nice-gem! Beautiful solid BLACK OPAL, blue flash, 1.3ct nice gem!
US $9.99 (1 Bid)
End Date: Saturday Mar-13-2010 19:16:41 PST
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2-61-cts-amazing-ethiopian-welo-gem-opal-sale-z-983 2.61 cts. - AMAZING ETHIOPIAN WELO GEM OPAL SALE #Z-983
US $1.25 (1 Bid)
End Date: Saturday Mar-13-2010 19:25:31 PST
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gem-polished-mexican-fire-agate-mineral-cabachon-opal Gem Polished Mexican Fire Agate Mineral Cabachon Opal
US $19.99 (1 Bid)
End Date: Saturday Mar-13-2010 19:27:26 PST
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flawless-&-big-1-7-opal-gem-ammolite-ammonite!!!!! FLAWLESS & BIG 1.7" OPAL GEM AMMOLITE AMMONITE!!!!!
US $9.99 (1 Bid)
End Date: Saturday Mar-13-2010 19:31:04 PST
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flawless-&-big-3-7-opal-gem-ammolite-ammonite!!!!! FLAWLESS & BIG 3.7" OPAL GEM AMMOLITE AMMONITE!!!!!
US $10.49 (2 Bids)
End Date: Saturday Mar-13-2010 20:08:50 PST
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58x10mm-created-opal-opalite-gem-pendulum-pendant-1pc- 58x10mm Created Opal Opalite Gem Pendulum Pendant 1pc
US $2.99 (1 Bid)
End Date: Saturday Mar-13-2010 20:24:40 PST
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opal-black-australia-opals-cabachone-gemstone-gems Opal Black Australia opals cabachone gemstone Gems
US $5.00 (8 Bids)
End Date: Saturday Mar-13-2010 20:51:54 PST
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3-07-cts-amazing-ethiopian-welo-gem-opal-sale-z-990 3.07 cts. - AMAZING ETHIOPIAN WELO GEM OPAL SALE #Z-990
US $1.25 (1 Bid)
End Date: Saturday Mar-13-2010 21:29:36 PST
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african-gem-yellow-rough-opal-55-97-cts-172 AFRICAN GEM YELLOW ROUGH OPAL - 55.97 cts. #172
US $1.25 (1 Bid)
End Date: Saturday Mar-13-2010 22:04:23 PST
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9-69-cts-amazing-ethiopian-welo-gem-opal-sale-z-993 9.69 cts. - AMAZING ETHIOPIAN WELO GEM OPAL SALE #Z-993
US $2.75 (2 Bids)
End Date: Saturday Mar-13-2010 23:45:30 PST
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