Mica is the group of silicate mineral sheets consisting of several materials which are closely related having basal cleavage which is nearly perfect. Mica is one of the minerals or non-metallic produced in India and is one of the major producers in India. They mainly have importance in the industrial fields and have huge economic importance in the development of a country. They are mainly used as raw materials in the making of substances like cement, fertilisers, electrical things etc. Due to the presence of insulating properties, the ability to withstand the loss of low power factor and ability to withstand high voltage current they have made enough significance in the electrical industries.
From ancient times they are known to be used as ingredients of Ayurveda medicines in India and are known as abhark. Muscovite, phlogopite and biotite are the three main varieties of mica found in India. 59,065 tonnes of mica reserved are believed to be present in India as in-situ reserves. India is known to have the monopoly for the production and export of sheets of mica throughout the world for almost hundred years. Due to several technical signs of progress, other countries have emerged as major producers now; still, India manages to be in rank 8th on the list of top countries producing mica. Below is the list of top 10 largest mica producing states in India in 2018.
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10. UTTAR PRADESH
Mirzapur is the only district here known to produce mica in significant amounts. Though Uttar Pradesh are known to produce mica in minute amounts only but still they manages to get position in the list of top states in India producing mica.
9. TAMIL NADU
The major districts here known to produce mica includes Nilgiri, Coimbatore, Tiruchirapalli and Salem. Their positional value adds more to the production of mica here thus facilitating their extraction process. They also use alumina, ceramics, silicon, talc, cellulose, nylon etc to form some substitutes of silica.
Alleppey and Kollam are the main districts in Kerala producing mica. They produce sufficient amount of mica used as ingredients for the purpose of production of cement mainly. They are known for producing both quality and quantity mica suitable for their use as ingredients in several essential products. The major factories here are under public sectors but there are other private sectors industries too facilitating for both employment to people and generating income to the country.
The main areas producing mica here are Bilaspur, Surguja and Bastar. They are known to have enough resources of mica, but due to insufficient method for their exploration there are only few districts here known for mica production. They are lacking proper methods for the advanced use of mica and thus have quite unused reservoir of mica which can be better used in the future.
Banaskantha, Sabarkantha and Vadodara are the dominant districts here producing mica. They have enough resources of mica as crude form which can be extracted for the making of several electrical equipments. They are known not only for their production quantity but also for their exportation facility. There are quite many industries located here which accepts raw mica and uses them in the manufacturing of several other economically important commercial products.
5. MADHYA PRADESH
The places here known to produce mica includes Chhindwara and Balaghat. They are one of the important mica containing pegmatites in India. Government functions here mainly for the purpose of controlling the production rates and also looks after the technical methods involved in their production process. There are large number of people including engineers, scholars, officials, labours, industrialists and many other people who are getting their income from their production and ordinary people too for whom who gets the best products out of them. Mica has proved one of the essential elements here producing several necessary items and generating source of income too.
Gaya district of Bihar is mainly known for the production of mica. Nawada district is another centre of interest for mica production here. They produce 11 tonnes of mica and contribute 9 percent of country’s mica production. Chakai, Munger, Bhagalpur the other known districts producing mica in Bihar. Due to absence of enough advancement in the extraction techniques they have some decrease in their production rates from the past years.
They are known to have largest mica deposits in India according to the as per “British Geological survey” confined mainly at Koderma district of Jharkhand. Koderma district is known to produce more than 50 percent of total mica production of Jharkhand state. Beside this, Hazaribagh district is also known to produce mica. They share 10 percent of total mica production in India and is known to produce 133 tonnes of mica. Ranchi, Dhanbad, Tisri, Gawan, Palamau are the other remarkable places known to produce mica.
They have known as the largest mica producing states in India. Their mica producing region mainly falls between Jaipur to Udaipur. Jaipur, Tonk, Ajmer, Bhilwara, Sikar are the major districts known to produce mica. They constitute 26 percent of total mica produced in the country. 190 tonnes of mica is produced by them.
1. ANDHRA PRADESH
They are known to have an in-situ reserve of mica which is equal to 42,626 tonnes. They are known to produce 883 tonnes of mica and contributing around 47 percent of total mica produced in the country. Nellore, Vishakhapatnam, Krishna, Khammam, West Godavari are the major districts here known for their mica production. Moreover, Nellore is known for producing largest quantity of crude mica. Besides producing mica they are also known to export them in sufficient amounts.
Besides these states, there are some other states like West Bengal, Haryana and Himachal Pradesh which produce mica in small amounts. They contribute only 1 percent of the mica produced in the country. With time and evolution of time and emergence of new techniques, India is now one of the known countries producing mica.