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Limestone is a sedimentary rock primarily composed of calcium carbonate (CaCO3). It forms from the accumulation of shell, coral, algal, and fecal debris, or through the precipitation of calcium carbonate from water. Limestone is widely used in various industrial applications due to its chemical properties and abundance. It is typically crushed and processed into various sizes for different uses.
| Chemical composition | Primarily calcium carbonate |
| Hardness | 3 to 4 on the Mohs scale |
| Color | White, gray, yellow, or brown |
| Density | Approximately 2.5 to 2.8 g/cm³ |
| Typical particle size | From fine powder to large lumps |
When purchasing limestone, consider the specific application and required purity level. Buyers should specify the desired particle size, chemical composition, and any necessary certifications for industrial use. Quantities can vary widely depending on the project, so it's important to communicate volume needs clearly when requesting quotes.
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Limestone is used in cement production, glass manufacturing, and as a soil amendment, among other applications.
Limestone is typically crushed, ground, and sometimes calcined to produce lime.
Limestone grades vary based on purity and intended use, including industrial, agricultural, and chemical grades.
Limestone is generally considered environmentally friendly, especially in agricultural applications, as it helps improve soil quality.
Yes, limestone is often used in water treatment to neutralize acidic water and remove impurities.
Consider the application, required purity, particle size, and any necessary certifications.