Rocks, Minerals & Fossils

Geodes & Minerals

Rare Fire Opal Slab Sets First Image

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Rare Fire Opal Slab Sets First Image

Rare Fire Opal Slab Sets

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Lot of Mixed Polished Gemstones 12 Grams (1 of 2)

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Lot of Polished Carnelian Gemstone, Various Sizes (1 of 2)

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Mixed Polished Gemstones Assorted Lot ROCK STONE LAPIDARY SPECIMEN (1 of 2)

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Smokey Quartz Gemstones, 12-Gram Lot Rock Stone Lapidary Specimen (1 of 4)

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4.66ct OVAL CABOCHON LOT OF 8 LOOSE NATURAL UNTREATED OPAL (1 of 2)

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Small Polished Red Stones - 12 Grams Total Weight ROCK STONE LAPIDARY SPECIMEN (1 of 2)

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FIRE AGATE ROCK STONE LAPIDARY SPECIMEN (1 of 2)

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FIRE AGATE ROCK STONE LAPIDARY SPECIMEN (1 of 3)

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Natural Multi-Color Play Of Colour Opal 3.08 Ct. 4 Pcs Oval Cabochon Shape 8.3 x 6.3 Mm Gemstones (1 of 3)

Natural Multi-Color Play Of Colour Opal 3.08 Ct. 4 Pcs Oval Cabochon Shape 8.3 x 6.3 Mm Gemstones

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GARNET ROCK STONE LAPIDARY SPECIMEN (1 of 2)

GARNET ROCK STONE LAPIDARY SPECIMEN

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156.91 Carats Multicolor Moonstone Selection - Natural Mixed-Origin Stones, 15-22mm, 56XH (1 of 1)

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Red Quartz Gemstones Rock Stone Lapidary Specimen (1 of 4)

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Rare Fire Opal Slab Sets (1 of 8)

Rare Fire Opal Slab Sets Group of fire opal slabs. 1.78g (total).

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Rare Fire Opal Slab (1 of 10)

Rare Fire Opal Slab Group of fire opal slabs. 2.2g (total).

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14K Y/G fire opal ring (1 of 9)

14K Y/G fire opal ring A 14K Y/G ring set with 6 fine quality rare South American fire opals, each wt. approx. 0.80 - 1.10ct, total opal wt. approx. 6.0ct, wt. 9.9gm, size 5.5

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MEXICAN FIRE OPALS ROCK STONE LAPIDARY SPECIMEN (Yes, (1 of 4)

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ANTIQUE 10K GOLD RING WITH OPALS (1 of 5)

ANTIQUE 10K GOLD RING WITH OPALS Antique 10k yellow gold ring set with on large center opal (10mm x 8mm) accented by 16 opals; all with good homogeneous blue-green fire, size 4.75, stamped 10k, 2.57g, 1.65dwt. PROVENANCE: From a prom

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RARE FIRE OPAL ORANGE MEXICAN JELLY PREMIUM QUALITY 90 CARATS ROCK STONE LAPIDARY SPECIMEN (1 of 6)

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Rare Fire Opal Stone (1 of 10)

Rare Fire Opal Stone Rare fire opal stone with case. Approx. 6.2 gram, 0.97*0.74*0.57 inch. The Estate of the Store Closed Sale, Little Tokyo, Los Angeles.

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2.27 Ct Natural Multicolor Fire Opal Set Loose Stones (1 of 4)

2.27 Ct Natural Multicolor Fire Opal Set Loose Stones Weight - 2.27 Ct / Size - 6.00 x 4.00 x 3.10 mm / 7 Pc's / Shape - Oval Cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

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1.62 Ct "Play of Colors" Natural Ethiopian Fire Opal Set (1 of 4)

1.62 Ct "Play of Colors" Natural Ethiopian Fire Opal Set Gemstones: Natural Fire Opal /Carat Weights: 1.62 ct /Size or Dimensions: 6 mm /Treatment: No

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1.63 Ct Natural Ethiopian Fire Opal Set (1 of 6)

1.63 Ct Natural Ethiopian Fire Opal Set Gemstones: Natural Fire Opal /Carat Weights: 1.63 ct /Size or Dimensions: 7 X 5 X 3 mm /Treatment: No

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1.53 Ct Natural Black Fire Opal Set (1 of 4)

1.53 Ct Natural Black Fire Opal Set Gemstones: Natural Black Fire Opal /Carat Weights: 1.53 ct /Size or Dimensions: 6 - 7 X 5 X 3 mm Approx /Treatment: Heated

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1.15 Ct Natural Multicolor Fire Opal Set Loose Stones (1 of 3)

1.15 Ct Natural Multicolor Fire Opal Set Loose Stones Weight - 1.15 Ct / Size - 6.0x4.0 - 6.3x4.1 mm / 4 Pc's / Shape - Oval Cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

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2.12 Ct Natural Multicolor Fire Opal Set Loose Stones (1 of 3)

2.12 Ct Natural Multicolor Fire Opal Set Loose Stones Weight - 2.12 Ct / Size -6.0x4.0 - 6.2x4.2 mm / 7 Pc's / Shape - Oval Cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

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1.62 Ct "Play of Colors" Natural Ethiopian Fire Opal Set (1 of 3)

1.62 Ct "Play of Colors" Natural Ethiopian Fire Opal Set Gemstones: Natural Fire Opal /Carat Weights: 1.62 ct /Size or Dimensions: 7 X 5 mm /Treatment: No

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1.87 Ct Natural Black Fire Opal Set (1 of 2)

1.87 Ct Natural Black Fire Opal Set Gemstones: Natural Black Fire Opal /Carat Weights: 1.87 ct /Size or Dimensions: 5 X 5 mm /Treatment: Heated

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3.25 Ct Natural Multicolor Fire Opal Set Loose Stones (1 of 3)

3.25 Ct Natural Multicolor Fire Opal Set Loose Stones Weight - 3.25 Ct / Size -Mixed Sizes / 4 Pc's / Shape - Mixed Cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

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2.16 Ct Natural Multicolor Fire Opal Set Loose Stones (1 of 3)

2.16 Ct Natural Multicolor Fire Opal Set Loose Stones Weight - 2.16 Ct / Size -7.0x5.0 - 7.2x5.2 mm / 4 Pc's / Shape - Oval Cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

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2.60 Ct Natural Multicolor Fire Opal Set Loose Stones (1 of 3)

2.60 Ct Natural Multicolor Fire Opal Set Loose Stones Weight - 2.60 Ct / Size -8.2x6.1 - 8.3x6.2 mm / 3 Pc's / Shape - Oval Cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

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1.46 Ct Natural Multicolor Fire Opal Set Loose Stones (1 of 3)

1.46 Ct Natural Multicolor Fire Opal Set Loose Stones Weight - 1.46 Ct / Size -7.0x5.0 - 7.1x5.1 mm / 3 Pc's / Shape - Oval Cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated

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1.78 Ct Natural Multicolor Fire Opal Set Loose Stones (1 of 3)

1.78 Ct Natural Multicolor Fire Opal Set Loose Stones Weight - 1.78 Ct / Size -7.0x5.0 - 7.2x5.1 mm / 3 Pc's / Shape - Oval Cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

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14K YELLOW GOLD, FIRE OPAL & DIAMOND RING (1 of 8)

14K YELLOW GOLD, FIRE OPAL & DIAMOND RING Modern 14k yellow gold, fire opal, and diamond ring, featuring a 5.81ct orange cabochon fire opal set into a tapering custom cast mount containing (72) round brilliant cut diamonds (SI-1 clarity, J-K

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14k Gold Antique Opal Ruby Scorpion Brooches PAIR (1 of 5)

14k Gold Antique Opal Ruby Scorpion Brooches PAIR 14k gold in Scorpio or scorpion designs with round cabochon cut fire opals set into the bodies. Stinger and eyes with faceted red ruby gemstones. Secure pin backs. Unmarked, acid tested 14k. Good cond

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14kt YELLOW GOLD DIAMOND & OPAL RING (1 of 2)

14kt YELLOW GOLD DIAMOND & OPAL RING Diamonds & Mexican Fire Opals set in a 14kt, yellow-gold ring. The 12 round diamonds total over 0.12ct. with H-I color & SI clarity. The orange fire opal has flashes of green & red. This size 7-1/2 ri

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Mid Century 18K White Gold & Fire Opal Ring (1 of 1)

Mid Century 18K White Gold & Fire Opal Ring Lot Consists of a Mid Century Fire Opal Set in an 18K White Gold Setting. Has a Mid Century Design. Approximate Weight is 5 dwt. In Good Condition.

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