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Lapis-Lazuli' is a blue coloured preciou...

Lapis-Lazuli' is a blue coloured precious stone. It is mineral of the class

A

Sodium–alumino silicate

B

Zinc cobaltate

C

Basic copper carbonate

D

Prussian blue

Text Solution

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The correct Answer is:
A
Lapis Lazuli is a rock composed mainly of the following mineral, lazurite, hauynite sodalite, nosean, calcite, pyrite, lapis lazuli is actually sulphur containing, sodium aluminium silicate having chemical composition `3Na_2O.3Al_2.6SiO_2.2Na_2S`.
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