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
metamictization (ˌmetamictiˈzation) or metamictisation (ˌmetamictiˈsation)
noun
Word origin
C19: from Danish metamikt, from meta- + Greek miktos mixed
Examples of 'metamict' in a sentence
metamict
After the recrystallization of metamict pyrochlore, fersmite and lueshite phases also occur in addition to the pyrochlore phase.
K. Lindqvist, P. Rehtijärvi 1979, 'Pyrochlore from the Sokli carbonatite complex, Northern Finland', Bulletin of the Geological Society of Finlandhttp://www.geologinenseura.fi/bulletin/Volume51/sgs_bt_051_pages_081_092.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Around the metamict parts they build up their own uranium and thorium phases or occur as fracture fillings.
R. Törnroos 1985, 'Metamict zircon from Mozambique', Bulletin of the Geological Society of Finlandhttp://www.geologinenseura.fi/bulletin/Volume57/sgs_bt_057_pages_181_195.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)