Himalayan salt blocks contain pink color, which is present in the Himalayan salt due to their elemental composition, which contains iron, calcium, potassium, magnesium, and some other trace elements like strontium and iodine. Pink salt crystals are made into functional polyhedral shapes with infinite edges so that an infinitely large number of small debris particles may be trapped and... https://saltbrick.livepositively.com/himalayan-salt-blocks-a-natural-healing-element-for-people-of-all-ages/new=1