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stony meteorite(stone) A type of meteorite that consists of silicate minerals generally with some nickel-iron. The two main subgroups are termed chondrites and achondrites, depending on the presence or absence of chondrules. The great majority (about 95%) of meteorites seen to fall to Earth are stony meteorites, and most of these are chondrites.
stony meteorite[′stō·nē ′mēd·ē·ə‚rīt]
Any meteorite composed principally of silicate minerals, especially olivine, pyroxene, and plagioclase. Also known as aerolite; asiderite; meteoric stone; meteorolite; stone.