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Granite

This shader generates a solid pattern which resembles the granulated structure of granite. It consists of four different colors.

Two of the colors, by default dark brown and black, create a patchwork of veins which are overlaid on a grainy background composed of the other two colors.  The pattern of the veins is influenced by the style, selected from the Type menu. Five styles are available: Sierra, Bianco, Diamond, Azalea, and Auburn.

Scale: This parameter determines the size of the background grain fragments (Color 1 and Color 4).
 

Mineral Colors: Color 2 and Color 3 are used by the veins. Color 1 and Color 4 define the grains.

Variation: When this parameter is set to 0, the granite pattern is composed exclusively of the four colors. As this parameter is increased, lighter and darker colors are mixed into the pattern. The higher the Variation parameter, the more the colors deviate from the original four colors.

Softness: At a low value the fragments of the veins are coarse. As this parameter is increased, the fragments become softer and more broken up.

Fragments: The following parameters influence the vein fragments.

Detail: This parameter affects how detailed the broken up fragments appear. When the Softness parameter is very high, an increased Detail parameter creates very fine vein fragments.

Cracks: When this parameter is increased, the cracks between the background grain fragments become larger.

Noise: When this parameter is increased, the background colors (Color 1 and Color 4) are further altered through a random noise pattern.

Noise Scale: This parameter determines the size of the noise pattern.