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Hollandite from
Nicoya Ophiolite Complex, Guanacaste Province, Costa Rica

Locality type:Complex
Classification
Species:Hollandite
Formula:Ba(Mn64+Mn23+)O16
Confirmation
Validity:Believed Valid
References
References:Halbach, P.; Gursky, H. J.; Gursky, M. M.; Schmidt-Effing, R.; Maresch, W. V. (1992): Composition and formation of fossil manganese nodules in Jurassic to Cretaceous radiolarites from the Nicoya Ophiolite Complex (NW Costa Rica). Mineralium Deposita 27, 153-160.
Data
Mineral Data:Click here to view Hollandite data
Locality Data:Click here to view Nicoya Ophiolite Complex, Guanacaste Province, Costa Rica
 
Mineral and/or Locality  
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