Bilingual edition: English is preserved and Chinese follows each unit. Terminology uses the confirmed v20260916 glossary; automated semantic review remains traceable. 中英双语版:英文原文完整保留,中文紧随对应单元;术语采用 v20260916 确认表,自动语义审校结果可追溯。
Phosgenite
磷火石
Pb2CO3Cl2
Pb₂CO₃Cl₂
Phosgenite is a carbonate mineral containing lead and chlorine. It has the composition Pb2CO3Cl2. The origin of this sample is Monteponi, Sardegna, Italy. The sample measures about 10 cm across. These sample are on display in the Smithsonian Museum of Natural History.