Ureilite DAR AL GANI 976 Libya
A single stone of 32.03 g was found on 1999 August 20 in the sand desert of Dar al Gani. Classification and mineralogy (A. Greshake and M. Kurz): a fragmental breccia with lithic and mineral clasts set into a ureilitic matrix dominated by large olivine and pigeonite crystals; olivine core, Fa13.4-23.8; reduced olivine rims, Fa1-15; pigeonite cores, Fs17-19.8Wo10-10.8; reduced pigeonite rims, Fs4.3-10.2Wo3.4-6.7; pigeonite contains up to 1.2 wt% Cr2O3; mineral clasts are plagioclase, An6.4-23.8 and orthopyroxene, Fs0.5-10.2; lithic clasts include ureilite material and fine-grained more Fe-rich olivine-pyroxene material; several C1-like clasts consisting of magnetites, sulfides and carbonates embedded into a phyllosilicate matrix were encountered; shock stage, S4; low degree of weathering. Specimens: main mass with anonymous finder; type specimen 7.8 g plus one polished thin section MNB.
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