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 glassquartzvitreous silicacrystal