Question

What is rock salt ? Why is the colour of rock salt often grey?

Answer 1

Answer:

It has more of a pinkish-grey tint. It is due to the presence of trace minerals and iron. The distinctive flavor is due to the sulphur content and hence it is not considered as an alternative for ordinary salt, despite its sodium content.

Answer 2

Answer:

a rock salt is obtained of hill rocks and in India mainly Himalayan rocks which is also called pink rock is used in abundance, well rock salt is grey due to rock particles it is different from common salt as common salt is obtained from sea