Reports

Garnet: First Occurrence in the Lunar Rocks

Science  04 Sep 1970:
Vol. 169, Issue 3949, pp. 981-982
DOI: 10.1126/science.169.3949.981

Abstract

Three grains of almandine-rich garnet isolated from lunar sample 12021 have the composition Alm70.7Gro25.0Sp2.7Pyr1.6, with cell edge of 11.624 angstroms and refractive index of 1.81. The garnet probably formed late in the crystallization sequence.

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