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Opal and ironstone “Yowah nut” concretion - image 1
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Opal and ironstone “Yowah nut” concretion
Opal and ironstone “Yowah nut” concretion, 5 cm, from Yowah Opal Fields, Queensland, Australia. Photo by Jeff Scovil.
D
Deborah Decker Roman
Product details
Species
Opal
SizeMiniature
Dimensions5.0 cm
Locality
Yowah Opal Fields, Queensland, Australia
Publications
  • Mineralogical Record Mineral Collections In American Midwest page 198
Added on02/13/2026
Known provenance
Unknown date
Deborah Decker Roman
Not disclosed—
Species and Locality Wiki Pages
Opal
Opal
Collectors of Opal
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