单词 | allanite |
释义 | allanite/ˈalənʌɪt![]() noun [mass noun] A brownish-black mineral of the epidote group, consisting of a silicate of rare earth metals, aluminium, and iron.Large titanite euhedra are abundant along with apatite and zircon, with allanite and epidote less so....
OriginEarly 19th century: named after Thomas Allan (1777–1833), Scottish mineralogist, + -ite1. |
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