23 per cent, followed by West Bengal 14 per cent, Rajasthan 18 per cent, Odisha 10 per cent and
Karnataka 9 per cent. Out of total resources, about 26 per cent or 771 million tonnes fall under
ceramic/pottery grade, 4 per cent are classified under chemical, paper filler and cement grades
and about 70 per cent or 2,040 million tonnes resources fall under mixed grade, others,
unclassified and not-known categories.
Kyanite and Sillimanite
The total resources of kyanite as per UNFC system in the country in 2015 are placed at 105
million tonnes. State wise, the share of Telangana is 46 per cent of total resources followed by
Andhra Pradesh 30 per cent, Karnataka 13 per cent and Jharkhand 7 per cent. Remaining 4 per
cent resources are in Kerala, Maharashtra, Rajasthan, Tamil Nadu and West Bengal.
The total resources of sillimanite as per UNFC system in the country in 2015 are placed at
70.2 million tonnes. The resources are located mainly in Tamil Nadu and Odisha (25 per cent
each), Uttar Pradesh (16 per cent), Andhra Pradesh (13 per cent), Kerala (10 per cent) and Assam
(7 per cent). Remaining 4 per cent resources are in Jharkhand, Karnataka, Madhya Pradesh,
Maharashtra, Meghalaya, Rajasthan and West Bengal.
The total resources of limestone of all categories and grades as per UNFC system in 2015
are estimated at 203,225 million tonnes. Karnataka is the leading state having 27 per cent of the
total resources followed by Andhra Pradesh and Rajasthan (12 per cent each), Gujarat (10 per
cent), Meghalaya (9 per cent), Telangana (8 per cent) and Chhattisgarh (5 per cent). The total
resources of chalk of all categories and grades as per UNFC system in 2015 are estimated in
Gujarat at 6.75 million tonnes of which 5.06 million tonnes (75 per cent) are under reserves
category and 1.69 million tonnes are under remaining resources category.
The most important mica-bearing pegmatites occur in Andhra Pradesh, Bihar, Jharkhand,
Maharashtra and Rajasthan. Occurrences of mica pegmatites are also reported from Gujarat,
Haryana, Karnataka, Kerala, Odisha, Tamil Nadu and West Bengal. As per UNFC, the total
resources of mica in the country in 2015 are estimated at 635,302 tonnes . Andhra Pradesh leads
with 40 per cent share in country’s total resources followed by Rajasthan (28 per cent) Odisha
(16 per cent), Maharashtra (13 per cent), Bihar (2 per cent) and balance (less than 1 per cent) in
Jharkhand and Telangana.
The total reserves/resources of magnesite as per UNFC system in 2015 are about 394
million tonnes. Substantial quantities of resources are established in Uttarakhand (59 per cent),
followed by Rajasthan (14 per cent) and Tamil Nadu (25 per cent). Resources are also located in
Andhra Pradesh, Himachal Pradesh, Jammu and Kashmir, Karnataka and Kerala. Occurrences of
magnesite in Tamil Nadu are low in lime and high in silica whereas those of Uttarakhand are
high in lime and low in silica.
The total resources of apatite as per UNFC system in 2015 are placed at 24.04 million
tonnes. Of the total resources, the bulk (57 per cent) is located in West Bengal followed by