sellaite

noun

sel·​la·​ite

ˈseləˌīt

plural -s

: a mineral MgF₂ consisting of magnesium fluoride and occurring in colorless tetragonal prismatic crystals (hardness 5, specific gravity 3)

Word History

Etymology

Italian sellaite, from Quintino Sella †1884 Italian mineralogist + Italian -ite

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