Following are the chief constituents of pearl:
1. Calcium Carbonate
2. Calcium Oxide
3. Ammonium Sulphate
4. Ammonium Chloride
5. Magnesium Carbonate
6. Sodium Chloride
7. Aragonite
8. Conchiolin
It may also contain lessor amounts of silica.
Main constituent of igneous rocks arePlagiocl
carbon
carbon
Methane
wheat
Do you mean what is the MAIN constituent of butter ? If so I believe it is cows milk.
methane
methane
methane
Plasma and water.
butane
methane