metamorphic
Gneiss
Gneiss is a banded metamorphic rock formed under high temperature and pressure, known for its distinctive alternating layers.
Hardness 6–7India
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metamorphic
Gneiss is a banded metamorphic rock formed under high temperature and pressure, known for its distinctive alternating layers.
intrusive
Granite is a coarse-grained intrusive igneous rock mainly composed of quartz, feldspar, and mica. It is widely used in construction and design.