Magnesium chloride Hexahydrate crystals Magnesium chloride Crystals is a 100% a natural product of the finest quality made from naturally occurring bittern (brine).There are only 3 known sources of natural magnesium chloride in the world.Our magnesium chloride crystals are available in the industrial, lab and feed/food grade. Book an AppointmentRIDDHI SIDDHI MAGNESIA WORKS is a leading manufacturer of 100% natural magnesium chloride & Virgin liquid bromine. Free Consultation? +91-9687773005 Please enable JavaScript in your browser to complete this form.Name *Phone No *Email *Message *PhoneSubmit Message