Lunar Meteorite: Northwest Africa 14531 & 14532
assumed paired stones
| from The Meteoritical Bulletin, No. 111 Northwest Africa 14531 (NWA 14531)(Northwestern Africa) Lunar meteorite (feldspathic breccia) Petrography: (J. Gattacceca, CEREGE) Igneous rock made of mineral and melt rock lithic clasts set in a feldspathic glassy matrix with abundant vacuoles to 200 µm. Ilmenite and metal are present. Geochemistry: Olivine Fa22.2, FeO/MnO 101.4 (n=1). Pyroxene Fs28.7±6.7Wo8.3±4.7, FeO/MnO = 57.2 (n=4). Plagioclase An95.1Ab4.6Or0.2 (n=2). Chromite Cr# 0.61. Classification: Lunar meteorite (Feldspathic breccia). Specimens: Type specimen (2.0 g) at CEREGE. Main mass with Kuntz. |
| from The Meteoritical Bulletin, No. 111 Northwest Africa 14532 (NWA 14532)(Northwestern Africa) Lunar meteorite (feldspathic breccia) Petrography: (J. Gattacceca, CEREGE) Igneous rock made of mineral and melt rock lithic clasts set in a feldspathic glassy matrix with abundant vacuoles to 200 µm. Ilmenite and metal are present. Geochemistry: Olivine Fa26.3±3.0, FeO/MnO = 108.5±15.5 (n=4). Pyroxene Fs31.9±1.0Wo8.4±2.7, FeO/MnO = 51.8±3.5 (n=3). Plagioclase An95.1Ab4.4Or0.5 (n=3). Classification: Lunar meteorite (Feldspathic breccia). Specimens: Type specimen (3.9 g) at CEREGE. Main mass with Kuntz. |
| Randy Says… I have not studied Northwest Africa 14531 and 14532. I assume that they are paired from the purchase dates and places, similar descriptions, and same purchaser. |