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。

Romanechite

罗马内石

This sample of romanechite is displayed in the Smithsonian Museum of Natural History. Romanechite is an oxide of barium and manganese with the composition (Ba, H2O)2Mn5O10 . This sample is about 9x7 cm and is from Marquette County, Michigan.

这种romanechite样本陈列在史密森尼自然历史博物馆中。romanechite是一种由钡和锰组成的氧化物，其化学式为(Ba, H2O)2Mn5O10。该样本尺寸约为9x7厘米，产自密歇根州马quette县。

Mindat: Romanechite

Mindat: Romanechite（专名或术语）
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