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Johnstown (Weld County, Colorado, USA) ADIO (stone) Fell 6th July 1924

The Johnstown meteorite fell during daylight hours and the bright fireball was witnessed by 200 mourners at a funeral. Johnstown is a diogenite and part of the HED group - thought by some to have originated from Vesta, our brightest naked eye asteroid. Diogenites are about as rare as the aubrites, with only 15 known. They are made up of large crystals of hypersthene and bronzite with around 12 percent by weight.

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johnstown13g200 johnstown1g766 johnstown1g934 johnstown2g070 johnstown4g088

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