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Mathesiusite
Type Locality
Geschieber vein, Svornost Mine (Einigkeit Mine), Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
Mineral Data
K
5
(UO
2
)
4
(SO
4
)
4
(VO
5
)·4H
2
O
Physical Properties
Hardness:
2.0 - 0.0
Tenacity:
brittle
