Chondrite
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A chondrite is a stony meteorite that has not been modified by either melting or differentiation of the parent body. They are formed when various types of dust and small grains in the early Solar Syst
A specimen of the NWA 869 chondrite (type L4–6), showing chondrules and metal flakes
Thin slice of ordinary chondrite NWA 17172 observed under polarized light/analyzed.
Protoplanetary disk: particles of dust and grit collide and accrete forming planets or asteroids
Chondrules in chondrite from the Bjurböle meteorite
Achondrite
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An achondrite is a stony meteorite that does not contain chondrules. It consists of material similar to terrestrial basalts or plutonic rocks and has been differentiated and reprocessed to a lesser or
Chondrite
…by volume. Chondrites can be distinguished from iron meteorites by their low iron and nickel content. Non-metallic meteorites that lack chondrules are achondrites, which are believed to have formed more recently than chondrites. There are currently over 27,000 chondrites in the world's collections. The largest…
Cumberland Falls, achondrite (aubrite)
A eucrite achondrite from the Millbillillie meteorite shower.