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.

晶系 Monoclinic
鉱物分類 07 Sulfates, Chromates, Molybdates, and Tungstates
モース硬度 1.5-2.0
比重 2.31-2.33
色 Colorless, white, gray, yellow, brown
光沢 Vitreous
条痕色 White
劈開 Perfect {010}
断口 Conchoidal
透明度 Transparent
結晶習性 Tabular, prismatic, massive

モース硬度

Mohs Hardness: 1.5 – 2.0
1 Soft10 Hard

晶系

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.