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  • Granite Properties: Composition, Characteristics & Formation
    Characteristics of Granite

    * Igneous rock: Granite is an igneous rock, which means it is formed from the cooling and solidification of molten magma.

    * Composition: Granite is composed primarily of quartz, feldspar, and mica. Quartz is the most abundant mineral in granite, making up 20-60% of the rock. Feldspar is the second most abundant mineral, making up 15-35% of the rock. Mica is the third most abundant mineral, making up 5-10% of the rock. Other minerals that may be present in granite include hornblende, pyroxene, and garnet.

    * Color: Granite can vary in color from light pink to dark gray. The color of granite is determined by the composition of the minerals that make up the rock. For example, granite that is rich in quartz will be lighter in color, while granite that is rich in mica will be darker in color.

    * Texture: Granite has a medium- to coarse-grained texture. This means that the individual crystals in granite are visible to the naked eye.

    * Hardness: Granite is a very hard rock. It has a Mohs hardness of 6-7, which means that it can only be scratched by minerals that are harder than it, such as diamond and corundum.

    * Durability: Granite is a very durable rock. It is resistant to weathering, erosion, and wear and tear. This makes it an ideal material for use in construction and other applications.

    * Uses: Granite is used for a variety of purposes, including:

    * Building material: Granite is used as a building material for countertops, floors, walls, and tiles.

    * Paving material: Granite is used as a paving material for roads, sidewalks, and driveways.

    * Decorative material: Granite is used in a variety of decorative applications, such as sculptures, fountains, and monuments.

    * Aggregate: Granite is used as an aggregate in the production of concrete and asphalt.

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