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Our transcription: Crystallization and precipitation from a hot solution is only one of several ways that minerals commonly form. A number of minerals crystallize directly from water. This occurs under certain conditions that favor chemical reactions between elements already present in the water. A common mineral that forms this way is hematite, sometimes called "bloodstone" by jewelers. Hematite usually forms in well oxygenated water where dissolved iron and oxygen react and precipitate around sand grains, eventually forming red sandstone.
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