tactite

noun tac·tite \ˈtakˌtīt\

Definition of tactite

plural

-s

  1. :  a contact-metamorphosed carbonate rock (as limestone) containing crystalline silicate minerals (as garnet, diopside, or vesuvianite)

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Origin and Etymology of tactite

Latin tactus (past participle of tangere to touch) + English -ite — more at tangent


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