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Techereu (Tekerő), Hunedoara Co., Romania

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Latitude & Longitude (WGS84): 46° 5' 33'' North , 23° 4' 9'' East
Latitude & Longitude (decimal): 46.0925, 23.0691666667
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

8 entries listed. 1 valid mineral.

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


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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