Olivine in a shergottite meteorite (27 mm) from the planet Mars. The other minerals in here are the pyroxene mineral pigeonite and plagioclase feldspar. This meteorite is known as Sayh al Uhaymir and was found in June 2001. see "New Mars Meteorite Descriptions From Meteoritical Bulletin Annoucement 86-1" April 5th 2002.

"has a porphyritic texture with large olivine phenocrysts (Fo63.1-70.8) set in a groundmass consisting of maskelynite (An61.4-68.3 Or0.5-1.6) and pigeonite (En60-69.6 Wo7.1-8.6), augite (En47 Wo35) is rare; shock stage, S5; slight weathering. Analyzed by Dr. N. N. Kononkova (Vernad)."