NWA 8704 Eucrite, granoblastic
Tkw 503 g, find 2014
Classified by Dr. Anthony Irving, Washington University
History: Purchased in Morocco by Stefan Ralew in October 2014.
Physical characteristics: Single stone (503 g) lacking fusion crust with a mottled light gray and black appearance.
Petrography: (A. Irving and S. Kuehner, UWS) Very fine grained (grainsize < 0.3 mm) with granuloblastic texture. Minerals are unexsolved orthopyroxene, clinopyroxene, calcic plagioclase, ilmenite, Ti-chromite and troilite.
Geochemistry: Orthopyroxene (Fs59.6-61.0Wo1.7-2.3, FeO/MnO = 33-35, N = 3), clinopyroxene (Fs25.1-26.1Wo43.6-43.1, FeO/MnO = 31-35, N = 3).
Classification: Eucrite (granoblastic).