The look and feel of the rocks surface,determined by the size, shape,and pattern of a rock grains
A particle of mineral that gives a rock it's texture.
A type of rock that forms from the cooling of molten rock at or below the surface.
A type of rock that when particles from other rocks or the remains of plants and animals are pressed and cemented together
A type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions