metamorphic
Amphibolite
Amphibolite is a dense, dark metamorphic rock primarily composed of amphibole and plagioclase minerals.
India
Rocks for Decorative Stone
Showing all stones commonly used for decorative stone
Use: decorative stone
11 stones found
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extrusive
Basalt
Basalt is a dark, fine-grained extrusive igneous rock formed from rapidly cooled lava flows.
Hardness 5–6India (Deccan Traps)
sedimentary
Conglomerate
Conglomerate is a coarse-grained sedimentary rock made of rounded clasts bound by a matrix. It forms in high-energy environments like rivers.
India
intrusive
Diorite
Diorite is a coarse-grained intrusive igneous rock, intermediate in composition between granite and gabbro.
Hardness 6–7Italy
sedimentary
Dolomite
Dolomite is a sedimentary carbonate rock mainly made of the mineral dolomite, often resembling limestone.
Hardness 3.5–4India
intrusive
Gabbro
Gabbro is a dark, coarse-grained intrusive igneous rock composed mainly of plagioclase and pyroxene minerals.
Hardness 6–7India
metamorphic
Gneiss
Gneiss is a banded metamorphic rock formed under high temperature and pressure, known for its distinctive alternating layers.
Hardness 6–7India
metamorphic
Phyllite
Phyllite is a fine-grained metamorphic rock with a silky sheen, formed from slate. It bridges the gap between slate and schist in metamorphic grade.
Hardness 1.5–2.5India
metamorphic
Quartzite
Quartzite is a hard, non-foliated metamorphic rock formed from quartz-rich sandstone, prized for its durability and natural beauty.
Hardness 7India
extrusive
Rhyolite
Rhyolite is a light-colored, fine-grained extrusive igneous rock, chemically similar to granite.
Hardness 6–7USA
extrusive
Scoria
Scoria is a dark, porous volcanic rock formed from basaltic magma, notable for its vesicular texture and lightweight nature.
Italy