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Bentonite
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It
is also known as 'Weathered Basalt'. It has a very good export
market. This is a mineral which has brought Kutch on the world mineral
map.The sodium based Bentonite is used in steel plant, oil exploration,
medicines, etc.The royalty charged on Bentonite by the Goverment
of Gujarat is very high as compared to other state and this has
affected to other states and this has affected the export of Bentonite.
The Bentonite could be given value addition by manufacturing - Activation
of Bentonite -Organoclays. |
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Features:-
Normally, it is green or brownish in color but sometimes can
be found in reddish color. In the beginning the
color is dark but later on it fades. When kept in water it
swells and forms gel.
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Location:-
In Bhachau, Raapar, Anjar, Bhuj, Mundra, Mandvi, Abdassa,
Nakhatrana, Lakhpat talukas.
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Use:-
for foundry sand bond, pelletization of iron ore, drilling
mud, activated bleaching earth, civil engineering, refectories
and ceramics, pharmaceutical aid, welding electrode, fillers,
insecticides, etc..
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Controlled
by:- Department of mining.
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Types:-
1) Sodium predominant which is easily available in Kutch.
2) Calcium predominant is also available in Kutch.
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