Finely ground and dressed natural anhydrite is a waterless sulphate. It is often formed as an evaporation product from sea water. Anhydrite makes up the sturdy solid base of gypsum deposits and can be mined separately.
Features
hardness 3.5 (Mohs)
density 3.0 g/cm³
high degree of whiteness
tabular structure
good transparent properties
Key applications:
Clear lacquer systems (among others UV wood varnishes)
