Fetta di shergottite di meteorite marziana - 15×8×2.2 mm - 0.54 g

NWA 12564 Found in 2019 in Mauritania TKW 1918g

The University of Washington classified the meteorites as rare Martian Shergottite (aphyric, diabasic).

Composed predominantly of complexly-zoned clinopyroxene and maskelynite with accessory titanomagnetite, ilmenite, chlorapatite, merrillite, and pyrrhotite. Myrmekitic intergrowths consisting of silica polymorph + relatively sodic plagioclase are associated with more calcic maskelynite and regions of K-rich glass containing blebs of pyrrhotite are also present.
Shock stage: high
Weathering grade: low

0.54 g part-slice

international meteorite collector association number #3503
scale cube is 1 x 1 x 1 cm