A mineral of the galena group, a cubic sulphide of calcium, CaS, that occurs as transparent pale brown spherules, esp. in meteorites.
| 单词 | θ6645 |
| 释义 | the world > the earth > minerals > types of mineral > sulphides and related minerals > [noun] > galena group > others (1) oldhamite1863 A mineral of the galena group, a cubic sulphide of calcium, CaS, that occurs as transparent pale brown spherules, esp. in meteorites. |
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