Vote for your favorite mineral in #MinCup26! - Monazite-(Ce) vs. Andalusite
It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Opal from
Nata-mura, Komatsu City, Ishikawa Prefecture, Japan


Locality type:Town
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Nata-mura, Komatsu City, Ishikawa Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:758397
Long-form Identifier:1:3:758397:1
GUID (UUID V4):0
Nearest other occurrences of Opal
5.5km (3.4 miles) ⓘAkase-machi, Komatsu City, Ishikawa Prefecture, Japan
References
Chishitsu Chousajo (1902)
 
and/or  
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