Solutions en sciences de la vie
Pyroxenite
Pyroxenes are an important and abundant group of rock-forming silicate minerals that vary in composition. Found in almost all volcanic rocks, as well as many metamorphic ones, René-Just Haüy coined the collective name of these minerals from the Greek words for "fire" and "stranger," which is indicative of his belief that these greenish crystals were accidentally introduced into the lava samples he was studying.
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