Garnet: first occurrence in the lunar rocks.
Three grains of almandine-rich garnet isolated from lunar sample 12021 have the composition Alm(70.7)Gro(25.0)Sp(2.7)Pyr(1.6), with cell edge of 11.624 angstroms and refractive index of 1.81. The garnet probably formed late in the crystallization sequence.
Traill
R J
RJ
Plant
A G
AG
Douglas
J A
JA