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1. 焦石英：焦黏性 caking | 焦石英 lechatelierite | 焦炭 coke
2. 焦硅石,焦石英：lebensspur的复数 lebensspuren | 焦硅石,焦石英 lechatelierite | 钠铵矾 lecontite
noun
1. colorless glass made of almost pure silica
Synonym: quartz glass quartz vitreous silica crystal