1. In carnallite , the water molecules enclose the magnesium ions. 2. Gr�neberg developed a new chemical process to produce potassium chloride from carnallite . 3. It is often accompanied by anhydrite, carnallite , halite, and kieserite. 4. Closer to 10 percent sylvite followed by Carnallite form. 5. Evaporite deposits may contain potassium minerals such as carnallite . 6. The new salt mine Vorster & Gr�neberg was rich in deposits of carnallite . 7. Bischofite is used in the production of the industrial Sorel cement and synthetic carnallite . 8. Carnallite is found in saline marine deposits.9. Caesium chloride occurs naturally as impurities in carnallite ( up to 0.002 % ), sylvite and kainite. 10. Carnallite is an uncommon double chloride mineral that only forms under specific environmental conditions in an evaporating sea or sedimentary basin.