tan·ta·lite

[tan-tl-ahyt]
noun
a black, crystalline mineral, iron tantalate, (Fe, Mn) Ta 2 O 6 , the principal ore of tantalum and an end member of a series of solid solutions in which manganese and niobium combine to form columbite.

Origin:
1795–1805; tantal(um) + -ite1

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tantalite (ˈtæntəˌlaɪt) [Click for IPA pronunciation guide]
 
n
a heavy brownish mineral consisting of a tantalum oxide of iron and manganese in orthorhombic crystalline form: it occurs in coarse granite, often with columbite, and is an ore of tantalum. Formula: (Fe,Mn)(Ta,Nb)2O6
 
[C19: from tantalum + -ite1]

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00:10
Tantalite is always a great word to know.
So is interrobang. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
Example sentences
Tantalum occurs principally in the mineral columbite-tantalite.
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