Gypsum
Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. - **Color:** Colorless to white; may be yellow, tan, blue, pink, brown, reddish brown, or gray due to impurities.
Description
Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O.
- Color: Colorless to white; may be yellow, tan, blue, pink, brown, reddish brown, or gray due to impurities.
- Mohs Scale Hardness: 1.5–2
- Luster: Vitreous to silky, pearly, or waxy
- Streak: White
- Specific Gravity: 2.31–2.33
- Fusibility: 5
- Solubility: Hot, dilute HCl
Uses:
- Organic Chemicals.
- Pharmaceutical Chemicals.
- Cosmetic Chemicals.
- Industrial Raw Material.
- Food Ingredients.
- Soil and Fertilizing.
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