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Hyalite Opal
Hyalite opal, 5 cm, from San Luis Potosi, Mexico. Ex John Sinkankas collection and written about for “iris” optical effects in his 1976 book Gemstones of North America, vol. 2.
Unknown Owner
Product details
Species
Locality
Publications
- Mineralogical Record Mineral Collections In California page 216
Added on02/13/2026
Comments
Known provenance
Unknown date
Unknown Owner
Not disclosed—Species and Locality Wiki Pages
Collectors of Opal from San Luis Potosí
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