metamict

/ (ˈmɛtəˌmɪkt) /

adjective

of or denoting the amorphous state of a substance that has lost its crystalline structure as a result of the radioactivity of uranium or thorium within it metamict minerals

Derived forms of metamict

metamictization or metamictisation, noun

Word Origin for metamict

C19: from Danish metamikt, from meta- + Greek miktos mixed