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The sapphire deposits of Kashmir are well known in the gem industry, although their peak production took place in a relatively short period at the end of the nineteenth and early twentieth centuries. [ 5 ] : 463–482 These deposits are located in the Paddar Valley of the Jammu region of Jammu and Kashmir in India. [ 36 ]
This lists of mines in India is subsidiary to the list of mines article, and future mines in the country and is organised by the primary mineral output. For practical purposes stone, marbles and other quarries may be included in this list. In India, the underground mine to surface mine ratio is 20:80 [citation needed].
Heavy minerals (dark) in a quartz beach sand (Chennai, India).Heavy mineral sands are a class of ore deposit which is an important source of zirconium, titanium, thorium, tungsten, rare-earth elements, the industrial minerals diamond, sapphire, garnet, and occasionally precious metals or gemstones.
Star of India. The Star of India is a 563.35-carat (112.67 g) star sapphire, one of the largest such gems in the world. [1] [a] It is almost flawless and is unusual in that it has stars on both sides of the stone. The greyish-blue gem was mined in Sri Lanka [3] and is housed in the American Museum of Natural History in New York City.
India is the world's most populated country, having surpassed China in 2023. [26] [27] Although population growth in India has slowed, the country's population is expected to grow and hit a peak of 1.7 billion people by 2064. [27] India's replacement level fertility rate is 2, as of 2023. [28]
As of 2012, India is the largest producer of sheet mica, 2015 the fourth largest producer of iron ore, alumina, chromite, and bauxite in the world. A coal and iron ore project is in the fifth largest reserve in world. India's metal and mining industry was estimated to be $106.4 billion in 2010. [2] Mining in India has been prominent since ...
Diamond mining in India extends back into antiquity. From ancient times, India was the source of nearly all the world's known diamonds, and until diamonds were discovered in Brazil in 1726, India was the only place where diamonds were mined. India has not been a major diamond-producing country since the 1900s, but diamond mining continues.
India is pioneer in exploration and mining of commercial rock deposits and in establishing a firm base for stone industry. India, with an estimated resource of about 1,690 million cubic metres, comprising over 160 shades of Dimension Stone Granites (DSG), accounts for about 205 of the world's resources.