Dolomite
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They are used as a source of magnesium and for the manufacture of refractory materials. It is also used as a flux in metallurgy, ceramic manufacturing, paints, white fillers, and as a component to make glass.
It is an important mineral of sedimentary and metamorphic rocks, found as the main mineral in rocks called dolomites and metadolomies, as well as an important mineral in siltstones and marbles where calcite is the main mineral present. Dolomite deposits also appear in hydrothermal veins, forming crystals that fill cavities. It has also been found in serpentinites and similar rocks.
It is abundant in nature as the main component of dolomites (chemical sedimentary rocks) that are used as a source of magnesium and for the manufacture of refractory materials. It is also used as a flux in metallurgy, ceramic manufacturing, paints, white fillers, and as a component to make glass. It is totally proscribed as a mineral in concrete clinker due to its MgO content since it gives a high expansiveness. On the other hand, as a concrete aggregate it would be valid, as long as its reaction with the cement is analyzed.
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They are used as a source of magnesium and for the manufacture of refractory materials. It is also used as a flux in metallurgy, ceramic manufacturing, paints, white fillers, and as a component to make glass.