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Ruby Mica
The micas constitute an
important group of rock forming minerals. It is one of the varieties of mica, which possesses
unique combination of properties of elasticity, toughness, flexibility, transparency,
resistance to heat and property of spilling into thin films. |
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Soapstone
Soapstone is a
massive rock chiefly made up of talc. The other minerals present in it may be chlorite,
tremolite, magnetite, quartz, etc. It is greyish green or brownish grey in colour having a
soapy feel and can be cut with ease. It is resistant to heat, electricity and acids.
Soapstone is used for making pots,
fire-bricks, sinks, electrical switch boards, stoves, etc.
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Rocksalt
The rock salts occur
in the form of massive beds in the salt range. The layers are pink to white in colour . It is
also known as halite. |
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Mineralogy