Science Fair Project Encyclopedia
Tridymite
Common in volcanic rocks, Tridymite is a high-temperature polymorph of quartz and usually occurs as minute tabular white or colorless crystals, or scales, in cavities in acidic volcanic rocks. Tridymite is stable between 870 and 1470 degrees Celsius. cf: cristobalite. (American Geological Institute Dictionary of Geological Terms).
03-10-2013 05:06:04
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


