what turned monazite sand into a higly valuable resource
plz tell me this for my exam standard (VI)
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Monazite is a reddish-brown phosphate mineral that contains rare-earth elements. Due to variability in composition, monazite is considered a group of minerals. The most common species of the group is monazite-, that is, the cerium-dominant member of the group. It occurs usually in small isolated crystals.
Due to the alpha decay of thorium and uranium, monazite contains a significant amount of helium, which can be extracted by heating. Monazite is an important ore for thorium, lanthanum, and cerium. It is often found in placer deposits. India, Madagascar, and South Africa have large deposits of monazite sands.
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