Limestone is a sedimentary rock composed primarily of calcium carbonate (CaCO3) in the form of the mineral calcite. It often contains variable amounts of other minerals such as clay, silt, sand, and organic materials. Limestone forms in marine environments from the accumulation of shell, coral, algal, and fecal debris. It can also form in freshwater environments from the precipitation of calcium carbonate.
Limestone is widely used in construction, agriculture, and industry. Some common uses include:
Building Materials: Limestone is often used as a building material for flooring, countertops, facades, and decorative features due to its durability and versatility.
Construction Aggregate: Crushed limestone is a key component in concrete, asphalt, and road base construction. It provides stability and strength to the finished product.
Soil Amendment: Agricultural limestone, also known as aglime, is used to neutralize soil acidity and provide essential nutrients for plant growth.
Industrial Applications: Limestone is used in a variety of industrial processes such as in the production of lime (calcium oxide) and hydrated lime (calcium hydroxide). These are used in the manufacturing of steel, glass, paper, and chemicals.
Environmental Uses: Limestone is used in flue gas desulfurization processes to remove sulfur dioxide from exhaust gases produced by power plants and industrial facilities, reducing air pollution.
Aquariums and Ponds: Crushed limestone is often used in aquariums and ponds to raise the pH level and provide calcium for aquatic organisms.
Limestone is a valuable resource with a wide range of applications, and its abundance makes it a cost-effective material for various industries. However, its extraction and processing can have environmental impacts, such as habitat destruction, groundwater contamination, and carbon emissions, which need to be carefully managed.
Uses Of Limestone
• It is largely used for roadbeds (crushed) and building constructions. Also it is widely used for cement manufacture.
• Limestone is a producer of quicklime and slaked lime.
• It is widely used for the production of Portland cement and mortar.
• Limestone is burnt to create lime, along with other raw materials ash and sand. Together, they form a product called clinker. Clinker is then mixed with gypsum and crushed to form a powdery mixture.
• Limestone is also used for glass making.
• The minerals such as calcite and dolomite found with limestone are greatly used in the process of manufacture of various products like paper, detergent, baking soda, textiles, glass, etc.
• Limestone is also used in toothpastes. It acts as a filler and white pigment. The minerals found in limestone are also used in pharmaceuticals, fertilizers, paint, cosmetic products, etc.
. Limestone Rock Crushed Price sedimentary for tiles paver flooring gravel blocks fireplace countertops quarry white at wedge india.
| Specifications | Manufactured Traditional Kilns |
| % CaCO3 | 92 – 95 |
| % MgCO3 | 2.50 (max.) |
| % Silica | 1.50 (max.) |
| % Fe2O3 | 0.2 (max.) |
| % Others | 0.6 |
| Size | 0 – 6 mm/ 6 -25 mm/ 25 -50 mm |
| Packing | Loose |
Export of Limestone
In 2021, India exported $40.7M in Limestone, making it the 5th largest exporter of Limestone in the world. At the same year, Limestone was the 608th most exported product in India.
The main destination of Limestone exports from India are: Bangladesh ($31M), United States ($5.35M), United Kingdom ($2.03M), Ireland ($718k), and Belgium ($280k).
The fastest growing export markets for Limestone of India between 2020 and 2021 were Bangladesh ($12M), United States ($3.98M), and China ($160k).
Import of Limestone in India
In 2021, India imported $507M in Limestone, becoming the 1st largest importer of Limestone in the world. At the same year, Limestone was the 159th most imported product in India. India imports Limestone primarily from: United Arab Emirates ($442M), Malaysia ($30.9M), Oman ($19.1M), Vietnam ($7.6M), and Egypt ($4.2M).
The fastest growing import markets in Limestone for India between 2020 and 2021 were United Arab Emirates ($149M), Malaysia ($9.13M), and Oman ($4.2M).
Types and Specifications of Limestone
LIMESTONE IN BULK 30 to 60 MM
LOW SILICA SMS GRADE LIMESTONE 40-80 MM
LIMESTONE IN BULK 40-80 MM
CP GRADE LIMESTONE 40-80 MM
50-100 MM LIMESTONE IN BULK LIMESTONE
LIMESTONE IN BULK SIZE 0-40 MM
LIMESTONE 0-6 MM
LIMESTONE 10-50 MM IN BULK
LIMESTONE 60 - 120 MM LIMESTONE