amblygonite

[am-blig-uh-nahyt]

noun

a mineral, a lithium aluminum fluorophosphate, Li(AlF)PO4: an ore of lithium.

Origin of amblygonite

1840–50; < Greek amblygṓn(ios) (amblý(s) blunt, obtuse + gōní(a) angle + -os adj. suffix) + -ite¹

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British Dictionary definitions for amblygonite

amblygonite

noun

a white or greyish mineral consisting of lithium aluminium fluorophosphate in triclinic crystalline form. It is a source of lithium. Formula: (Li,Na)Al(PO 4)(F,OH)

Word Origin for amblygonite

C16: from Greek amblugōnios, from amblus blunt + gōnia angle; referring to the obtuse angles in its crystals

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