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Studen kladenets, Krumovgrad Obshtina, Kardzhali Oblast (Kurdzhali; Kărdžali; Kurdjali), Bulgaria


List of minerals arranged by Dana 8th Edition classification
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals
Quartz
var: Agate
-SiO2


2 entries listed. 2 valid minerals.

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