Anhydrite

Anhydrite is a mineral that is an anhydrous sulfate composed of calcium sulfate. It is found in sedimentary rocks and usually forms from the evaporation of seawater under high temperatures. Anhydrite can occur as a colorless, pale blue, or grey crystalline solid.

Anhydrite
Category: Sulfates
Hardness: 3
Specific Gravity: 2.9
Luster: Vitreous to pearly
Transparency: Transparent to translucent
Crystal System: Orthorhombic
Cleavage: Perfect in three directions, forming rhombohedra
Fracture: Conchoidal to uneven
Composition: Calcium sulfate (CaSO4)
Typical Size: Typically found as crystalline masses or large crystals
Found In:
US United States DE Germany ES Spain
Uses:
  • Used as a drying agent and in the manufacture of cement
  • In agriculture as a liming agent
  • Used in the production of gypsum and plaster
  • A mineral specimen for collectors
Anhydrite is believed to clear blockages in the energy field, promote peace, and encourage spiritual growth. It is also thought to enhance communication and promote psychic abilities.