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Techereu (Tekerő), Hunedoara Co., Romania
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Techereu, Hunedoara Co., Romania

Photo: Géza Kulcsár
Latitude: 46°5'33"N
Longitude: 23°4'9"E
Five genetic types of quartz varieties are present: (1) chalcedonies associated to the Mesozoic “ophiolitic” complex; (2) polychromatic jaspers in Cretaceous conglomerates; (3) variously-coloured chalcedonies in Paleogene rhyolites; (4) siliceous nodules, jaspers and silicified wood within the Almaşu Mare Gravel (Badenian); (5) reworked chalcedonies and jaspers in Quaternary deposits.

Mineral List

var: Milk Opal

var: Agate
var: Bloodstone

var: Carnelian
var: Chalcedony

var: Jasper

8 entries listed. 1 valid mineral.

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Zepharovich, V. (1859): Mineralogisches Lexicon für das Kaiserthum Österreich. I. Band. Wilhelm Braumüller, Wien.
Koch, A. (1885): Erdély ásványainak kritikai átnézete [Critical review of the minerals of Transylvania]. Orvos-Természettud. Társulat, Kolozsvár (in Hungarian).
Primics, G. (1886): Das Vorkommen der derben Quarzvarietäten bei Tekerő. Földtani Közlöny, 16, 347-353.
Mârza, I. (1999): Câmpul gemologic Techereu [The Techereu gemological field]. Studia Universitatis Babeş-Bolyai, Geologia, 44/1, 57-66 (in Romanian with English abstract).
Mârza, I., Constantina, C., Fodor, Ş. & Bodnariuc, A. (1999): Mineralogical and gemological considerations about silicolites in association with Paleogene rhyolites from Techereu (Apuseni Mountains). Studia Universitatis Babeş-Bolyai, Geologia, 44/1, 119-128.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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