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MOST RECENT IN ARTICLES
Created: 16. June. 2010. 02:49:35.
Author: ac
Language: Srpski
Najveći pomor živih bića u istoriji Zemlje.
MOST RECENT IN BOOKS
Submited: 20. June. 2010. 04:45:17.
Author: Alessandro Guastoni and Roberto Appiani
Language: English
Odlicna knjiga o mineralima.
MOST RECENT IN MARKET
Created: 03. August. 2008. 23:12:55.
Author: vpmiodrag
Language: Srpski
KRISTALI KVARCA
MOST RECENT IN LEXICON
Created: 07. June. 2010. 03:30:46.
Author: ac
Language: Srpski

Kvarc (SiO2) je jedan od najrasprostranjenijih minerala Zemljine kore. Kristališe heksagonalno i predstavlja etalon u mosovoj skali za rvrdoć ... ++>
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