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- Length (inches)
- Main Stone
- Australian Opal (5)
- Black Opal (16)
- Black Opals (32)
- Boulder Opals (7)
- Crystal Opal (8)
- Diamond (12)
- Doublet Opals (9)
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- Ethiopian Fire Opal (10)
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- Geode Druzy (4)
- Light Opal (6)
- Opal (212)
- Opal Inlay (11)
- Opalite (9)
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- Peruvian Opal (4)
- Semi Black Opal (7)
- Solid Opal (6)
- Tourmaline (4)
- Other (916)
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