hauynite

noun

ha·​uy·​nite

äˈwēˌnīt

variants or hauyne

äˈwēn

plural -s

: an isometric silicate mineral (Na,Ca)₄−₈Al₆Si₆O₂₄(SO₄)₁− consisting of sulfate of aluminum, calcium, and sodium and occurring commonly as rounded grains in various igneous rocks (hardness 5.5–6, specific gravity 2.4–2.5)

Word History

Etymology

hauynite from hauyne + -ite; hauyne from French haüyne, from Abbé René Just Haüy †1822 French mineralogist + French -ine

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!