碧玉和玛瑙 火焰- 4082 g - (3)
编号 83092289
火星陨石 Shergottite 切片 19 x 13 毫米 - 0.41 g
编号 83092289
火星陨石 Shergottite 切片 19 x 13 毫米 - 0.41 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
0.41 g 13 x 10 x 1.9 mm - front side polished
international meteorite collector association number #3503
scale cube is 1 x 1 x 1 cm