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.
| ระบบผลึก | Monoclinic |
| หมวดหมู่แร่ธาตุ | 07 Sulfates, Chromates, Molybdates, and Tungstates |
| ความแข็งโมห์ส | 1.5-2.0 |
| ความถ่วงจำเพาะ | 2.31-2.33 |
| สี | Colorless, white, gray, yellow, brown |
| ความวาว | Vitreous |
| สีเส้นขูด | White |
| การแตกเรียบ | Perfect {010} |
| รอยแตก | Conchoidal |
| ความโปร่งใส | Transparent |
| ลักษณะผลึก | Tabular, prismatic, massive |
ความแข็งโมห์ส
Mohs Hardness: 1.5 – 2.0
1 Soft10 Hard
ระบบผลึก
MonoclinicFrequently 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.