tilasite

noun til·as·ite \ˈtiləˌsīt\

Definition of tilasite

plural

-s

  1. :  a mineral CaMg(AsO4)F consisting of a magnesium calcium arsenate and fluoride and occurring in violet-gray granular masses (specific gravity 3.3)

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Origin and Etymology of tilasite

Swedish tilasit, from Daniel Tilas †1772 Swedish mining engineer + Swedish -it -ite


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