Description: NWA METEORITE 7831 North West Africa found March 2013 Sahara Desert 1.41 grams no paperwork it was researched with Google Northwest Africa 7831(NWA 7831)27.307N,12.083W Saguia el Hamra, Western Sahara Found: 2013 Mar Classification: HED achondrite (Diogenite) History: Found buried in the ground near Chouichiyat on March 3, 2013, and excavated by a team of local people. Physical characteristics: A single large mass (at least 20 kg) composed of yellow-green crystalline material with pale orange weathering products along numerous fractures. Much of the material disintegrated into fragments upon excavation. Petrography: (A. Irving and S. Kuehner,UWS) The specimen is composed almost entirely of translucent, yellow-green orthopyroxene with very sparse, tiny included grains of Ni-free metal, troilite, chromite, anorthite, silica polymorph and clinopyroxene. Secondary pale orange, clay-like deposits
Price: 18 USD
Location: New Boston, Texas
End Time: 2025-01-07T07:22:45.000Z
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