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L3.15 TKW 987 grams. Fall not observed. Purchased October 2020 from a dealer in Tindouf, Algeria. Shun-Chung writes:This material consisted of five stones which were collectively acquired by Shun-Chung Yang and Juan Chen in 2020. It’s very fresh and has a lot of metal inclusions and armored chondrules. We believed the stones were CR chondrite for the high metal content, and felt frustrated when several senior dealers told us it looked just like an ordinary chondrite (we were unexperienced, and CR was pretty uncommon back then). We still sent it to Tony Irving. Finally, the classification turned things around— it’s an unequilibrated L3.15 ordinary chondrite and this subtype is rarer than CR! Fig.1-3: Main mass (557g) of NWA 13909 Fig.4: Armored chondrules and metal inclusions under sunlight Fig.5-10: Microscopic photographs taken from several slices of NWA 13909 Visit my Website
This material consisted of five stones which were collectively acquired by Shun-Chung Yang and Juan Chen in 2020. It’s very fresh and has a lot of metal inclusions and armored chondrules. We believed the stones were CR chondrite for the high metal content, and felt frustrated when several senior dealers told us it looked just like an ordinary chondrite (we were unexperienced, and CR was pretty uncommon back then). We still sent it to Tony Irving. Finally, the classification turned things around— it’s an unequilibrated L3.15 ordinary chondrite and this subtype is rarer than CR! Fig.1-3: Main mass (557g) of NWA 13909 Fig.4: Armored chondrules and metal inclusions under sunlight Fig.5-10: Microscopic photographs taken from several slices of NWA 13909