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Derzha river, Tver' Oblast' (Tverskaya Oblast'), Central Region, Russia

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List of minerals arranged by Dana 8th Edition classification

Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO₂ with [4] coordinated Si
Quartz	75.1.3.1	SiO₂
Unclassified Minerals
Fluorite var: Ratovkite	-	CaF₂

2 entries listed. 2 valid minerals.

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