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  2. Hindustan Zinc - Wikipedia

    en.wikipedia.org/wiki/Hindustan_Zinc

    Hindustan Zinc Limited (HZL) is an Indian integrated mining and resources producer of zinc, lead, silver and cadmium.It is a subsidiary of Vedanta Limited. [4] Earlier it was a Central Public Sector Undertaking, sold by Government of India to Vedanta Limited when Atal Bihari Vajpayee and Bharatiya Janta Party Government was in power in the year 2003.

  3. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. ... Per-kilogram prices of some synthetic ...

  4. LME Zinc - Wikipedia

    en.wikipedia.org/wiki/LME_Zinc

    Producers, semi-fabricators, consumers, recyclers, and merchants can use Zinc futures contracts to hedge Zinc price risks and to reference prices. [ 1 ] [ 2 ] As of December 31, 2019, LME Zinc contracts are associated with 51,200 metric tons of physical zinc stored in LME-approved warehouses around the world, [ 3 ] or around 0.4% of the 2019 ...

  5. Natural resources of India - Wikipedia

    en.wikipedia.org/wiki/Natural_resources_of_India

    HZL is the country's largest integrated producer of zinc and as of 2023, the company an 80% market share in primary zinc production in India. [90] [91] As of 2023, HZL is also the second largest integrated zinc producer in the world. [92] Rampura Agucha, owned by HZL, is the world's largest underground zinc mine as of 2022. [93] India's 5 ...

  6. Rampura Agucha - Wikipedia

    en.wikipedia.org/wiki/Rampura_Agucha

    The lead and zinc concentrates are transported to the Chanderiya Smelter Complex to further refine the metals collected. [1] The Rampura Agucha mine has an ore production capacity of 6.15 lakh tonnes per year and in 2017 it was reported that the mine produced 528,459 tonnes of lead and zinc.

  7. History of metallurgy in the Indian subcontinent - Wikipedia

    en.wikipedia.org/wiki/History_of_metallurgy_in...

    Zinc was extracted in India as early as in the 4th to 3rd century BCE. Zinc production may have begun in India, and ancient northwestern India is the earliest known civilization that produced zinc on an industrial scale. [44] The distillation technique was developed around 1200 CE at Zawar in Rajasthan. [34]

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  9. Indian 20-rupee coin - Wikipedia

    en.wikipedia.org/wiki/Indian_20-rupee_coin

    The new 20 rupee coin is a circle (it is 12 edged*) with a diameter of 27mm (millimeters) and weight of 8.54 grams. The outer ring is composed of 65% copper, 15% zinc and 20% nickel whereas the inner ring (centre piece) is composed of 75% copper, 20% zinc and 5% nickel. Designed with the help of students of National Institute of Design ...