NWA 16879 Martian Shergottite Meteorites for Sale
Location: Sahara Desert, exact location unknown.
Purchased: January 2023.
Classification: Martian meteorite (Shergottite).
Description: Petrography : The specimen has a relatively coarse grained intergranular texture and is composed predominantly of zoned, prismatic, simply-twinned grains of clinopyroxene (up to 3 mm long) and smaller laths of maskelynite (mean size ~ 1 mm). Accessory phases include merrillite, pyrrhotite, ulvöspinel, ilmenite and symplectitic intergrowths of fayalite+hedenbergite+silica polymorph (located at the margins of strongly zoned clinopyroxene grains). Small shock melt pockets containing "swirly" glass (pale clove-brown in thin section) are present, as well as some veinlets of secondary calcite and Fe oxides. Geochemistry : Augite cores (Fs 22.0-25.7 Wo 45.7-40.4 , FeO/MnO = 24-28, N = 4), ferropigeonite rims (Fs 52.9-74.4 Wo 8.2-18.9 , FeO/MnO = 34-37, N = 4), subcalcic augite rim (Fs60.1Fs 21.1 , FeO/MnO = 35), maskelynite (An 50.1-54.9 Or 2.6-1.0 , N = 4), fayalite in symplectite (Fa 90.1 , FeO/MnO = 40), hedenbergite in symplectite (Fs 53.5 Wo 31.9 , FeO/MnO = 35). Classification : Shergottite (gabbroic).
Link to Meteoritical Bulletin Database.
Other references:
Link to Dr. Anthony Irving's Martain Meteorite Page
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#NWA16879-3-546 | #NWA16879-3-547 | #NWA16879-10-469 |
Weight: 3.546 gm | Weight: 3.547 gm | Weight: 10.469 gm |
Features: Part slice | Features: Part slice | Features: End |
$900 |
sold |
$2500 |