Slates are dense and fine grained rock. The colour of slates are generally gray, red, brown and green ranging from dark to light. It is produced by the compression of clays, shale, and various other rocks developing a characteristic cleavage consisting sericite and quartz with biotite, chlorite, and hematite as principal accessories.
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DevendraSingh (STARLINE MINERALS LLP)
Sidharth Nagar, Siddharth Nagar, Jaipur, Rajasthan - 302001, India
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