Granulite

About it

Even-grained, often weakly banded rock formed in the deep crust at very high temperature, with dry minerals like pyroxene and garnet in place of mica. Found in Sri Lanka, southern India, and the Grenville Province of Quebec.

Type

Rock (metamorphic)

Group

Metamorphic (high-grade)

Colours

grey, dark green, brown, pinkish, white

Transparency

opaque

Typical values: real specimens vary. For more, see mindat.org.