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Wood Opal from
Nakhon Ratchasima (Khorat; Korat; Nakorn Rajsima), Nakhon Ratchasima District, Nakhon Ratchasima Province (Khorat Province), Thailand

Classification
Species:Opal var: Wood Opal
Formula:SiO2 · nH2O
Comments:Occurs replacing wood in smaller logs and as rinds of opalized wood around larger petrified logs.
Colour:White, brown, tan, black
Luminescent properties:Green (SW UV).
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Very common
Confirmation
Validity:Believed Valid
References
References:C. Lemanski, Jr. (visited, collected & photographed).
Data
Mineral Data:Click here to view Wood Opal data
Locality Data:Click here to view Nakhon Ratchasima (Khorat; Korat; Nakorn Rajsima), Nakhon Ratchasima District, Nakhon Ratchasima Province (Khorat Province), Thailand
 
Mineral and/or Locality  
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