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There is a page named "Quartz" on this wiki. See also the other search results found.
File:M109CH01Monocrystalline.jpg ...uartz grains are most commonly derived from hydrothermal-vein sources. The quartz overgrowth (cement) around the upper part of the grain has far fewer inclus(656 × 439 (87 KB)) - 20:20, 23 January 2019File:M109CH01FG01.jpg ...als in polycrystalline grains can help determine quartz provenance (from [[Quartz|Basu et al., 1975]]). From From AAPG Memoir 109—A Color Guide to the Petr(487 × 674 (45 KB)) - 19:24, 23 January 2019File:M102Ch1Fg6.jpg (a) A BSE and CL image of a polished shale sample. Orange-hued quartz grains reflect low-grade ...ndicate higher grade metamorphism (phyllite-schist). (b) Detail of a large quartz grain in center of image (arrow) displays multiple generations of growth in(502 × 518 (978 KB)) - 22:08, 14 August 2014File:M109Quartz300dpi.jpg Quartz crystals with adularia (orthoclase) from Dona Anna Co., New Mexico. Photogr(1,129 × 1,583 (512 KB)) - 18:14, 23 January 2019File:Figure-8.jpg ...In the segmented region, blue = carbonate, green = clay minerals, yellow = quartz, pink = feldspar, white = pyrite, and gray = organic matter. From AAPG Memo(1,353 × 418 (106 KB)) - 17:34, 15 August 2014File:M109CH01Polychristalline.jpg ...Sandstone Group, County Antrim, Northern Ireland, U.K., a polycrystalline quartz grain of metamorphic origin. The grain has sutured internal boundaries betw(655 × 438 (71 KB)) - 20:07, 23 January 2019