Types of stones used in construction
Granite stone
Granite is a kind of igneous rock. Granite is hard and durable. Also available in many colors. Granites are used in construction works such as stairs, walls, kitchens, door and window frames, etc.
Ballast
Ballast is a type of igneous rock. Ballast is also known as trap. Working with this type of stone is difficult so that it is difficult. Its specific gravity is 3 and its compressive strength is 1530 kg/cm2 to 1890 kg/cm2
Ballast is used in foundation work, masonry, road metal, etc. and is easily available in Maharashtra, Gujarat , MP, Bengal and Bihar are found.
Gypsum
Gypsum is a type of sedimentary rock. The color of chalk is pure white. This tissue is in powder form. Gypsum is used in making Portland cement and putty
Gneiss
Gneiss is a type of metamorphic rock. Its specific weight is 2.69 and its compressive strength is 2100 kg/cm2. Gneiss is commonly used in paving streets, masonry, etc.
Also, it is easy to use. Locally found in Mysore, Maharashtra, Gujarat, Kerala, AP, Bihar and Madras.
Limestones
Limestone is a type of sedimentary rock. It consists of carbonate of lime. Its specific gravity is 2 to 2.75 and its compressive strength is 550 kg/cm2. Limestone is used for many purposes such as flooring, stairs, walls, making lime, etc. Limestone is found locally in Rajasthan, Punjab, Andaman Islands, Himachal Pradesh, MP and Bihar.
Marble
Marble is a metamorphic stone. Available in different colors. Its specific weight is 2.65 and its compressive strength is 720 kg/cm2
Marble is used for flooring, stairs, cladding, etc. Marble is easily cut and sawn. Marble is found locally in Rajasthan, Gujarat, AP, MP, UP and Mysore.
Murum is a metamorphic type. The color of myrrh is dark brown or red. It is made of laterite stone. Morum is used in the garden wall, for fantasy paths, etc.
Kankar
Kankar is a type of sedimentary rock. It is used in making hydraulic lime, road metal, etc. and is easily found in central and northern India.
Laterite
Laterite is a type of metamorphic rock. . Its quality is porous, has a high percentage of oxide in iron and is easily extracted. Laterite is available in different colors.
Its compressive strength is 18 to 32 kg/cm2. It is also used in masonry, building stone and road metal, etc.
Slate
Slate is a type of metamorphic rock. Its specific gravity is 2.89 and compressive strength is 770 kg/cm2 to 2110 kg/cm2. Slates are used for roofing purposes in periods of moisture resistance and work on thresholds, etc.
