coesite
/koh-sahyt/US // ˈkoʊ saɪt //
煤矸石,褐煤岩,煤泥
Definitions
n.名词 noun
- 1
Mineralogy.
- : a rare form of silicon dioxide, a denser polymorph of quartz, originally synthesized from quartz at high temperatures and pressures: later discovered in nature.
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