MINERALS AND POWER RESOURCES IN INDIA Minerals : Geologists define mineral as a “homogenous, naturally occurring substance with a definable internal structure.” Ore: Accumulation of minerals mixed with other elements. Some facts: Hardest - diamond Softest – talc Human mineral intake represents only about 0.3 per cent of our total intake of nutrients, they are so potent and so important that without them we would not be able to utilise the other 99.7 per cent of foodstuffs. Toothpaste cleans your teeth. Abrasive minerals like silica, limestone, aluminium oxide and various phosphate minerals do the cleaning. Fluoride which is used to reduce cavities, comes from a mineral fluorite. Toothpaste are made white with titanium oxide, which comes from minerals called rutile, ilmenite and anatase. The sparkle in some toothpastes comes from mica. The toothbrush and tube containing the paste are made of plastics from petroleum. Over 2000 minerals have been iden...
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