| 单词 | sphene |
| 释义 | sphene [sfēn] MINERALOGY CaTiSiO5 A brown, green, yellow, gray, or black neosilicate mineral common as an accessory mineral in igneous rocks; it is monoclinic and has resinous luster; hardness is 5-5.5 on Mohs scale; specific gravity is 3.4-3.5. Also known as grothite; titanite. |
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