Gypsum

CaSO4 · 2H2O

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Gypsum is a very soft mineral, the reference for hardness 2 on the Mohs scale. Its varieties include selenite (colorless transparent crystals), satin spar (fibrous), and alabaster (fine-grained massive). It is one of the most widely used industrial minerals.

Système Cristallin Monoclinic
Classe Minérale 07 Sulfates, Chromates, Molybdates, and Tungstates
Dureté Mohs 1.5-2.0
Densité 2.31-2.33
Couleur Colorless, white, gray, yellow, brown
Éclat Vitreous
Trait White
Clivage Perfect {010}
Cassure Conchoidal
Transparence Transparent
Habitus Cristallin Tabular, prismatic, massive

Dureté Mohs

Mohs Hardness: 1,5 – 2,0
1 Soft10 Hard

Système Cristallin

Monoclinic

Frequently Asked Questions

What is the hardness of Gypsum?
Gypsum has a Mohs hardness of 1.5-2.0.
What crystal system does Gypsum belong to?
Gypsum crystallizes in the Monoclinic crystal system.
What color is Gypsum?
Gypsum is typically Colorless, white, gray, yellow, brown.
What type of luster does Gypsum have?
Gypsum exhibits a Vitreous luster.
What is the chemical formula of Gypsum?
The chemical formula of Gypsum is CaSO4 · 2H2O.