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单词 stishovite
释义 stishovite
[`stish·ǝ´vīt]
MINERALOGY
SiO2 A polymorph of quartz, a dense, fine-grained mineral formed under very high pressure (about 1= ×= 106 pounds per square inch or 7 × 109 pascals); it is the only mineral in which the silicon atom has a coordination number of six; specific gravity is 4.28. Also known as stipoverite.
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