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  1. Undefying Australian Koroit Maze Opal Rough

    Life isn’t about finding the current, it’s about learning when to swim and when to float. Size - 48mm x 23mm x 16mm. Weight - 132.50 Cts.

    eBay

  2. Rough Queensland Australia Koroit Fusion Opal Stone

    Location - Queensland, Australia. Weight - 266.20 Cts.

    eBay

  3. Rough Natural Australian Koroit Boulder Opal Multi Color Flashy Gem 415g 1970s

    ROUGH NATURAL UNPOLISHED. All unpolished shone wet. I have 11 tons of them.

    eBay

  4. Koroit Boulder Opal Rough - (190 carats)

    Up for your consideration is this lot of Koroit Boulder Opal rough. These were photographed dry and weighed, and then photographed wet.

    eBay

  5. Mystifying Queensland Australian Koroit Rough Opal Slice

    Location - Queensland, Australia. A real wonder of the world. Weight - 118.70 Cts.

    eBay

  6. Boulder Opal Slabs Split Pair Koroit Matrix Lapidary 1125 Carat Rough

    Origin: Koroit Boulder Opal Fields, Queensland, Australia. Weight Total Approx: 1125 carats or 225 grams. Here we have a lovely slabbed, split piece of natural solid boulder opal rough. 2 slab pieces in total.

    eBay

  7. Australian Natural Rough 18.40 ct Koroit Opal "Stunning_Gemstones"

    Australian Natural Rough 18.40 ct Koroit Opal. Weight : 18.40 ct.

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  8. Koroit Boulder Opal Rough - Lot # 1 (325 carats)

    There 325 carats total. I photographed and weighed them dry, and then took photos of them wet.

    eBay

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