词汇 | manganese spar |
释义 | Definition of manganese spar in English:manganese sparnoun Mineralogy
OriginEarly 19th century; earliest use found in Robert Jameson (1774–1854), geologist and natural historian. After German Manganspath. Definition of manganese spar in US English:manganese sparnoun Mineralogy
OriginEarly 19th century; earliest use found in Robert Jameson (1774–1854), geologist and natural historian. After German Manganspath. |
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