"NWA 13859" Lunar Feldspathic Breccia (Troctolite Rich) Achondrite Meteorite - 14.29 g

METEORITE TYPE & CLASS / OFFICIAL NAME or NUMBER (Meteoritical Bulletin Database) : "NWA 13859" - Lunar Feldspathic Breccia (Troctolite Rich) FALL/FIND LOCATION: North West Africa WEIGHT: 14. 29 g Slice Northwest Africa 13859 (NWA 13859) Northwest Africa Classification: Lunar meteorite (feldspathic breccia) History: The meteorite was purchased by Said Yousfi from a dealer in Temara, Morocco. The largest second largest 356 g fragment was subsequently acquired by Luca Cableri. One sample was analyzed by Ansgar Greshake at MNB and a second sample by Paul Carpenter at WUSL. Physical characteristics: Several dark grayish fragments without fusion crust. The largest ones weighing 694 g, 356 g, 283 g, 283 g, and 99 g, respectively, without fusion crust. Petrography: Feldspathic breccia composed of mineral clasts and sparse troctolitic lithic clasts set in fine grained, partly glassy matrix. Minerals are predominantly plagioclase and olivine suggesting presence of abundant troctolitic material throughout the meteorite; pyroxenes are rare. Accessory phases are: Fe. S, ilmenite, Ti-bearing chromite, and secondary barite and calcite. The authenticity of this specimen is guaranteed by the member of the Global Meteorite Association G0043 and IMCA 5681.