Discuss the megascopic and microscopic characters of granite and basalt with the help of neat well labelled diagrams.

Granite and basalt are two common types of igneous rocks, each with distinct characteristics that can be studied both megascopically and microscopically.

Megascopic Characters of Granite:
Granite is a coarse-grained, light-colored, intrusive igneous rock composed primarily of quartz, feldspar, and mica. Its megascopic features include:

1. Texture: Granite exhibits a coarse-grained texture, meaning the individual mineral crystals are large enough to be seen with the naked eye. The crystals often range from 1 to 10 mm in size, and the rock appears speckled due to the contrasting colors of the minerals.
   
2. Color: The color of granite varies, but it is typically light, ranging from white to pink, grey, or red. The variation in color is due to the different types of feldspar and the presence of minerals like biotite or muscovite mica.

3. Mineral Composition: The main minerals in granite are quartz (clear or milky white), feldspar (usually pink, white, or gray), and mica (black or silvery). These minerals are typically evenly distributed throughout the rock.

4. Grain Size: The grains of granite are coarse and can easily be distinguished, with some mineral crystals being large enough to give the rock a rough, uneven surface. Quartz ____ _____ _______ ______ ____ _____.
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