Lunar
Name
*click on the Name for more information
Structure Class
achondrites
Chemical Class
Lunar (melt breccia)
Country
Year found
2023
Mass
3.15 kg
[Museum Collection]
(1) 2.47g


History: The meteorite was purchased from a meteorite dealer in Timokten, Algeria. Physical characteristics: Several grayish-greenish fragments including a large 3 kg single stone. Petrography: Melt breccia composed of grayish-greenish clasts set in abundant anorthite-rich melt rock matrix displaying pronounced flow and quench textures with small ancicular crystals nucleating on larger entrained mineral grains. Major phases are pigeonite, often zoned augite and less abundant olivine. Minor phases include ilmenite, chromite, and troilite. Geochemistry: olivine: Fa24.0±0.1??(Fa23.9-24.2, FeO/MnO=84±8, n=7); pigeonite: Fs25.0±1.5Wo10.0±0.5??(Fs21.9-27.1Wo9.1-10.6, FeO/MnO=47±3, n=7); zoned Ca-pyroxene: Fs23.4±3.2Wo29.3±6.2??(Fs20.4-26.4Wo16.1-35.2, FeO/MnO=45±5, n=7); calcic plagioclase: An95.8±0.8??(An94.8-97.7, n=7) Classification: Melt breccia (anorthositic norite/gabbro) based on Stoeffler et al. (1980). Specimens: Marcin Cimala holds 750 g, Craig Zlimen holds 600 g, Mark Lyon holds a 600 g and a 980 g mass, and Paul Durzan holds 400 g.
Name
*click on the Name for more information
Structure Class
achondrites
Chemical Class
Lunar (melt breccia)
Country
Year found
2021
Mass
28.8 kg
[Museum Collection]
(1) 13.2g


History: Found in 2021 in Libya and purchased by Adam Aaronson and Ahmed Salek in April 2021 from a dealer in Ajdabiya, Libya. Physical characteristics: The specimens (total weight 28.8 kg) are distinctive in having relatively closely packed and unusually large, angular, light-gray lithic clasts (up to 2 cm) within a sparse dark, fine-grained matrix. Petrography: (A. Irving, UWS, and P. Carpenter, WUSL) Breccia composed of angular lithic clasts and related crystalline debris within a sparse fine-grained and in part microvesicular matrix. Portions of the glassy matrix exhibit streaky flow-banding. Clast lithologies include spinel troctolite and quench-textured basaltic rocks. Minerals include anorthite, olivine, low-Ca pyroxene, exsolved pigeonite, augite, ilmenite, chromite (with variable Ti content), Fe-Cr-bearing spinel:, kamacite and troilite. Geochemistry: Olivine (Fa27.3-45.5, FeO/MnO = 86-101, N = 5), low-Ca pyroxene (Fs27.8-40.8Wo2.4-4.6, FeO/MnO = 52-63, N = 5), augite (Fs19.0-22.0Wo44.0-41.6, FeO/MnO = 46-50, N = 2), anorthite (An94.8-97.4Or0.1-0.0, N = 4). Classification: Lunar (feldspathic melt matrix breccia). Specimens: 26.4 g in the form of a polished endcut at UWB; remainder with Aaronson
Name
*click on the Name for more information
Structure Class
achondrites
Chemical Class
Lunar (frag. breccia)
Country
Year found
2024
Mass
330 g
[Museum Collection]
(1) 3.85 g


History: The meteorite was purchased from a dealer in Libya. Physical characteristics: Dark grayish rock lacking fusion crust. Petrography: Breccia composed of up to 0.5 cm sized gabbroic and melt clasts plus abundant up to 1.3 cm sized mineral fragments in a fine-grained clastic matrix with few melt regions. Predominant minerals are anorthite, olivine, and augite. Minor phases include ilmenite, chromite, and troilite. No metal detected. Contains veins filled with secondary calcite and barite. Geochemistry: olivine: Fa24.4±0.9 (Fa23.0-25.8, FeO/MnO=100±6, n=7); magnesian olivine: Fa8.7±0.2 (Fa8.3-8.9, FeO/MnO=83±16, n=7); Ca-pyroxene: Fs3.9±0.1Wo41.7±0.7 (Fs3.7-4.0Wo40.9-42.9, FeO/MnO=45±16, n=7); calcic plagioclase: An96.5±0.2 (An96.2-96.8, n=7)
Name
*click on the Name for more information
Structure Class
achondrites
Chemical Class
Lunar (feldsp. breccia)
Country
Year found
2025
Mass
393 g
[Museum Collection]
(1) 10.25 g (2) 3.17 g



History: The meteorite was found during a search in Libya and subsequently purchased by the main mass holder. Physical characteristics: Grayish rock lacking fusion crust. Petrography: The meteorite is a melt-breccia predominantly composed of up to 1 cm lithic clasts, up to 1.5 cm sized white anorthite fragments plus smaller and less abundant olivine and zoned pyroxene grains all set in a mostly finely crystallized melt rock matrix. Minor phases include ilmenite, chromite, troilite, and kamacite. Geochemistry: olivine: Fa31.7±0.4 (Fa31.0-32.5, FeO/MnO=103±4, n=7); zoned pyroxene: Fs26.2±5.2Wo12.3±11.5 (Fs14.3-34.3Wo2.8-39.2, FeO/MnO=52±4, n=14); calcic plagioclase: An97.4±0.6 (An96.5-98.2, n=7)
Name
*click on the Name for more information
Structure Class
achondrites
Chemical Class
Lunar (anorth)
Country
Year found
1997
Mass
513 g
[Museum Collection]
(1) 0.016g


This is 1 of 82 approved meteorites classified as Lunar (anorth). Search for specimens in the Smithsonian Institution collection (U.S.): Search for this meteorite in the Natural History Museum collection (U.K.): Published in Meteoritical Bulletin, no. 81, MAPS 32, A159-A166 (1997)
Name
*click on the Name for more information
Structure Class
achondrites
Chemical Class
Lunar (anorth)
Country
Year found
1998
Mass
1425 g
[Museum Collection]
(1) 8.37g


This is 1 of 82 approved meteorites classified as Lunar (anorth). Search for this meteorite in the Natural History Museum collection (U.K.): Published in Meteoritical Bulletin, no. 82, MAPS 33, A221-A240 (1998)


