Kuratite (IMA 2013-109): The ?unknown? Fe-Al-Ti silicate from the angrite D´Orbigny..

HWANG S.L.; SHEN P; CHU, H-T; YUI T.F.; VARELA M.E.; IIZUKA Y.

Houston

Conferencia; Lunar and Planetary Science Conference; 2014

NASA

Angrites are a fascinating group of achondritic meteorites, the petrogenesis of which has-been, and still is, a matter of ongoing debates. The chemical composition of angrites is peculiar with high abundances of refractory lithophile elements and low abundances of siderophile and volatile elements. Its unusual composition is reflected in their odd mineral-ogy. Here we report a detail mineralogical study of one such rare mineral: the Fe-Al-Ti-Si phase from the an-grite D´Orbigny that has been recently approved as a new mineral (kuratite) by the CNMNC.