A lithium-containing mineral typically occurring as white, greenish-grey, or otherwise faintly coloured prisms.
Amblygonite is a basic phosphate and fluoride of aluminium, lithium, and sodium, (Li,Na)AlPO₄(F,OH). Crystal system: triclinic.
Early 19th century; earliest use found in Robert Jameson (1774–1854), geologist and natural historian. From (i) French amblygonite.