intrusive
Diorite
Diorite is a coarse-grained intrusive igneous rock, intermediate in composition between granite and gabbro.
Hardness 6–7Italy
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intrusive
Gabbro
Gabbro is a dark, coarse-grained intrusive igneous rock composed mainly of plagioclase and pyroxene minerals.
Hardness 6–7India
intrusive
Granite
Granite is a coarse-grained intrusive igneous rock mainly composed of quartz, feldspar, and mica. It is widely used in construction and design.
Hardness 6–7India
intrusive
Pegmatite
Pegmatite is an extremely coarse-grained intrusive igneous rock, notable for its large crystals and varied mineral content.
Brazil