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respectively). both mg + and fe + are components of olivine, pyroxenes, and other magmatic minerals. numerous magnesium minerals are known to exist—for example, silicates, carbonates, sulfates, and chlorides. more than half of them were formed in the biosphere (on the bottom of oceans and lakes, in soil
°c); its thermal coefficient of linear expansion for the interval ° °c is deter-mined from the equation × - + t. specific electric resistance at °c, × - ohm-m, or microhmcm. magnesium is paramagnetic, with a specific magnetic susceptibility of + × - . it is relatively soft and ductile, and its mechanical...
https://encyclopedia2.thefreedictionary.com/magnesium