Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Rhyolite from
Čierna baňa, Čučma, Rožňava District, Košice Region, Slovakia


Locality type:Deposit
Classification
Type:Rhyolite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Rhyolite data
Locality Data:Click here to view Čierna baňa, Čučma, Rožňava District, Košice Region, Slovakia
Data Identifiers
Mindat Occurrence Record ID:1813346
Long-form Identifier:1:3:1813346:4
GUID (UUID V4):0
Nearest other occurrences of Rhyolite
19.3km (12.0 miles) ⓘOchtiná-Rochovce Mo-W deposit, Ochtiná, Rožňava District, Košice Region, Slovakia
88.8km (55.2 miles) ⓘKopasz Hill andesite quarry, Tarcal, Tokaj District, Borsod-Abaúj-Zemplén County, Hungary
90.4km (56.2 miles) ⓘFarbište, Poniky, Banská Bystrica District, Banská Bystrica Region, Slovakia
References
Radvanec M. and Gonda S. (2020) Successive formation of Fe and Mn skarns in the Čučma locality (Gemeric unit, W. Carpathians): from metasomatic stage through the amphibolite facies overprint with Ti-rich tephroite to retrograde stilpnomelane-chlorite zone. Mineralia Slovaca, 52, 103-132.
 
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