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4.58 ct World class Fancy (14 x 8 mm) Multi Australian Koroit Boulder Opal
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4.58 ct World class Fancy (14 x 8 mm) Multi Australian Koroit Boulder Opal

Starting price (see what it sold for on eBay ↗) $9.99 as of Jul 17, 2026
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Condition New with tags
Condition tiers New Used Refurbished Damaged Unspecified
Ships from ZIP 752**
deluxegems 44,429 ratings · 100.00% positive
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Description

From the seller
4.58 ct World class Fancy Shape (14 x 8 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone. Boulder Opal. Mohs Hardness: 5.5-6.5 Found in Australia History: Opal is a semi-transparent solidified mineral composed of silicon and water.

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