Rocks with Medium Hardness

Medium Hardness Rocks List

Medium hardness rocks fall in the middle range of the Mohs hardness scale. They include a mix of igneous, sedimentary, and metamorphic rocks. These rocks are used in various applications including construction, flooring, and decorative purposes.

Scoria

Scoria

Class: Igneous Rocks

Texture: Vesicular

Appearance: Glassy and Vesicular

Anorthosite

Anorthosite

Class: Igneous Rocks

Texture: Foliated, Glassy

Appearance: Layered, Banded, Veined and Shiny

Dunite

Dunite

Class: Igneous Rocks

Texture: Phaneritic

Appearance: Rough and Shiny

Syenite

Syenite

Class: Igneous Rocks

Texture: Earthy

Appearance: Banded and Foliated

Peridotite

Peridotite

Class: Igneous Rocks

Texture: Phaneritic

Appearance: Rough and Shiny

Trachyte

Trachyte

Class: Igneous Rocks

Texture: Aphanitic to Porphyritic

Appearance: Banded

Nepheline Syenite

Nepheline Syenite

Class: Igneous Rocks

Texture: Granular

Appearance: Banded and Foliated

Basalt

Basalt

Class: Igneous Rocks

Texture: Glassy, Massive, Porphyritic

Appearance: Dull and Soft

Obsidian

Obsidian

Class: Igneous Rocks

Texture: Glassy

Appearance: Soft and Shiny

Amphibolite

Amphibolite

Class: Metamorphic Rocks

Texture: Banded, Foliated, Massive

Appearance: Foliated

Other Notable Medium Hardness Rocks

Sandstone, Limestone, Dolomite, Greywacke, Arkose, Siltstone, Gneiss, Schist.

Compare with Hard Rocks and Soft Rocks.