Mica – Limestone – Dolamite -production in India

Mica production in India


  • India is the leading producer in sheet mica. It was one of the indispensable minerals used in electrical and electronic industries till recently.

  • However its synthetic substitute has reduced our exports as well as production considerably.

  • India is the largest producer and exporter of mica in the world.

  • It exports mica to Japan, USA, UK, Norway, Russia, Germany, France, Belgium, Netherlands, Poland, Czech Republic, Slovakia, and Hungary.

  • The principal importing country was the U.S.A. which took about 50 percent of the exports.

Andhra Pradesh

  • Andhra Pardesh is the largest producer of mica.

  • Mica is found in a belt in Nellore district.


  • Rajasthan is the third largest mica producing state.

  • The mica, bearning zone, covers the districts of Jaipur, Udaipur, Bhilwara, Ajmer and Kishangarh.

Jharkhand and Bihar

  • Bihar and Jharkhand produces the high-quality ruby mica. The mica belt in

  • Bihar and Jharkhand extends from Gaya district in the west through Hazaribagh and Munger district to Bhagalpur district in the east.

  • Outside this main belt, mica occurs in Dhanbad, Palamau, Ranchi and Singhbhum district. The state supplies more than 80% of the india’s output.

Limestone in IndiaLimestone

  • Limestone is used in a wide range of industries.

  • 76 percent of the country’s total consumption is used in cement industry, 16 percent in iron and steel

  • industry and 4 percent in chemical industries.

  • The remaining 4 percent is used by sugar, paper, fertilisers and ferromanganese industries.

  • Limestone with high silica content is preferred in cement industry.

  • Limestone produced in almost all the states of India.

  • Its, main producing states are Rajasthan, Madhya Pradesh, Andhra Pradesh, Gujarat,

  • Chhattisgarh, and Tamil Nadu.

  • Madhya Pradesh possesses 36 percent of the total reserves.


  • A type of limestone which contains more than 10 per cent of magnesium.

  • Mainly used in the metallurgical industry, especially in the iron and steel industry.

  • The total reserves of all grades of dolomites are 7533 million tonnes (India 2010).

  • The states of Orissa, Chhattisgarh, Andhra Pradesh, Jharkhand, Rajasthan, Gujarat,

  • Maharashtra and Karnataka are its main producer.


  • Leading producer of dolomite accounting for about 29 per cent of the total production in

  • the country, followed by Chhattisgarh with over 27 per cent.

  • Share of Andhra Pradesh and Jharkhand is 18.35 per cent and about 8 per cent respectively in the total production.

  • Rajasthan and Karnataka contribute about 6 per cent each.

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