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Chewelah (/ tʃ ə ˈ w iː l ə / chə-WEE-lə) is a city in Stevens County, Washington, United States. It is located approximately 45 mi (72 km) northwest of Spokane . The population was 2,470 at the 2020 census .
Magnesite is a mineral with the chemical formula Mg C O 3 (magnesium carbonate). Iron, manganese, cobalt, and nickel may occur as admixtures, but only in small amounts.
Vapor-deposited magnesium crystals from the Pidgeon process. The Pidgeon process is a practical method for smelting magnesium.The most common method involves the raw material, dolomite being fed into an externally heated reduction tank and then thermally reduced to metallic magnesium using 75% ferrosilicon as a reducing agent in a vacuum. [1]
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The high flow period of the river occurs due to the melting of the previous winter snowpack in the spring. This combined with spring rainfall makes April usually the highest month for discharge. Just over half of this discharge comes from three tributaries of the Colville River: Chewelah Creek, Little Pend Oreille River, and Mill Creek. [5]
Hydromagnesite is a hydrated magnesium carbonate mineral with the formula Mg 5 (CO 3) 4 (OH) 2 ·4H 2 O.. It generally occurs associated with the weathering products of magnesium containing minerals such as serpentine or brucite.
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Listwanite (also sometimes spelled listvenite, listvanite, or listwaenite) is a rock type that forms when the groundmass of ultramafic rocks, most commonly mantle peridotites, is partially altered to carbonate minerals and cut by ubiquitous carbonate veins containing one or more of magnesite, calcite, dolomite, ankerite, and/or siderite.