Publication details
Nové mineralogické nálezy na Sn-W ložisku Cínovec v Krušných horách (Česká republika)
| Title in English | New mineralogical find at the Sn-W deposit Cínovec, the Krušné hory Mountains, Czech Republic |
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| Authors | |
| Year of publication | 2009 |
| Type | Article in Periodical |
| Magazine / Source | Bulletin mineralogicko-petrologického oddělení Národního muzea v Praze |
| MU Faculty or unit | |
| Citation | |
| Field | Geology and mineralogy |
| Keywords | crandallite-group minerals; thometzekite; walpurgite; Sn-W deposit Cínovec; Czech Republic |
| Description | Rare supergene minerals of the crandallite-group (florencite-(Ce), goayzite, crandallite), thometzekite and walpurgite were found at the material from abandoned Sn-W deposit Cínovec, the Krušné hory Mountains, northern Bohemia, Czech Republic. Crandallite-group minerals form strongly zoned orange to red crystals up to 0.4 mm in cavities of quartz - cassiterite - wolframite gangue. Thometzekite forms yellow or yellow green aggregates up to 2 mm on cavities of quartz gangue in association with segnitite, fluorite, opal and mixite. Walpurgite was found as groups of well-formed lath-like light yellow crystals up to 2 mm in the length in cavity of quartz gangue. The physical and chemical data for all described mineral phases are given. |