Exclusive New NWA 12778 Carbonaceous Chondrite Meteorite CM2 Type - 3.63 g

TYPE: NWA 12778 Carbonaceous Chondrite Meteorite CM2 Type LOCATION Northwest Africa FORMATION Carbonaceous Chondrite CM2 SIZE 20. 3 mm • 0. 80 in WEIGHT 3. 63 g • 0. 13 oz REF. 09184 Beautiful example of 3. 63g of this rare type of Carbonaceous Chondrite CM2. SPECIMEN PROVIDED BY THE ORIGINAL CLASSIFIER D. Sheikh, FSU Only 35. 8g Main mass. Approved 26 Sep 2019 The authenticity of this specimen is guaranteed by the geologist Juan Avilés Poblador, member of International Meteorite Collectors Association (IMCA 5681) . Northwest Africa 12778 Basic information\t. Name: Northwest Africa 12778 This is an OFFICIAL meteorite name. Abbreviation: NWA 12778 Observed fall: No Year found: 2018 Country: (Northwest Africa) Mass: help 35. 8 g Classification history: \t Recommended: \t\t\t. CM2 This is 1 of 533 approved meteorites classified as CM2. Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2) , CM chondrites, and CM-CO clan chondrites Comments: \t. Approved 26 Sep 2019 Writeup from MB 108: Northwest Africa 12778 (NWA 12778) (Northwest Africa) Purchased: 2018 Classification: Carbonaceous chondrite (CM2) History: Purchased by Matthew Stream from Mike Bandli in 2018, who purchased it from Aziz Habibi at the 2018 Tucson Gem and Mineral Show. Physical characteristics: Four dark-gray stones. A slice reveals a dark fine-grained interior. Petrography: (D. Sheikh, FSU) Small chondrules present (mean diameter ~260 µm) , isolated mineral fragments (Olivine, low-Ca pyroxene, high Ca-Pyroxene) and small CAIs with fine-grained dust rims set in a dark, abundant matrix. In many chondrules the mesostasis has been aqueously altered to phyllosilicates. The matrix also contains phyllosyllicates as indicated by low microprobe totals. Classification: Carbonaceous Chondrite (CM2)