Dypingite is a hydrated magnesium carbonate mineral with the formula: Mg<sub>5</sub>(CO<sub>3</sub>)<sub>4</sub>(OH)<sub>2</sub>÷5H<sub>2</sub>O. Its type locality is the Dypingdal serpentine-magnesite deposit, Snarum, Norway. Synthethic dypingite is known as heavy magnesium carbonate.