Ryzí stříbro z Helenína (jihlavský rudní revír)

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Title in English	Native silver from Helenín (Jihlava Ore District)
Authors	MALÝ Karel HOUZAR Stanislav HOUZAR Stanislav ŠTELCL Jindřich
Year of publication	2010
Type	Article in Periodical
Magazine / Source	Acta Rerum Naturalium
MU Faculty or unit	Faculty of Science
Citation
Field	Geology and mineralogy
Keywords	native silver; Jihlava Ore District
Description	New sporadic native silver in dumps of medieval silver mine in Helenín (Jihlava ore district) was found. The silver is almost fine (Ag>99%) and occurs in quartz-dominant mineral assemblages with supergenne hydrooxides Fe, acanthite, anglesite and cerusite, including relics of galena, sphalerite, chalkopyrite and chalcolite (?). Silver is probably product of oxidation-cementation processes.
Related projects:	Interdisciplinární centrum výzkumů sociálních struktur pravěku až vrcholného středověku