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A diogenite is a type of achondritic meteorite composed primarily of orthorhombic pyroxene. Achondrites are stony meteorites that lack chondrules, which are small, spherical objects formed in the solar nebula.12

Diogenites make up a small percentage of known meteorites and resemble terrestrial igneous rocks like basalts or pyroxenites. Most achondrites, including diogenites, are believed to have formed from melting and crystallization processes within asteroids. The howardites, eucrites, and diogenites are collectively known as HEDs and are thought to originate from the asteroid Vesta.2

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  1. diogenite
  2. achondrite

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