Revision history of "Quartz 1/2""

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  • (cur | prev) 17:31, 27 July 2015‎ Wikiadmin (talk | contribs)‎ . . (1,708 bytes) (+1,708)‎ . . (Created page with "== Description == Quartz is the second most abundant mineral in the Earth's continental crust. Its crystal structure is a continuous framework of SiO4. File:Quartz.jpg|thum...")
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