Lapis lazuli is - Vidyadip

MCQ

Lapis lazuli is

A
Ferrous sulphate
B
Copper sulphate
✓
Sodium alumino silicate
D
Zinc sulphate

✓

Answer

Correct option: C.

Sodium alumino silicate

c
(c) 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 $3N{a_2}O.3A{l_2}.6Si{O_2}.2N{a_2}S$.

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