Granite
Class: Igneous Rocks
Texture: Granular, Phaneritic
Appearance: Veined or Pebbled
Types of Hard Rocks
Hard Rocks List
Hard rocks are rocks with high hardness on the Mohs scale. They are resistant to scratching and are often used in construction, monuments, and decorative purposes. Granite is the most well-known hard rock.
Monzonite
Class: Igneous Rocks
Texture: Phaneritic
Appearance: Shiny
Tonalite
Class: Igneous Rocks
Texture: Phaneritic
Appearance: Banded and Foliated
Granodiorite
Granodiorite
Class: Igneous Rocks
Texture: Granular, Phaneritic
Appearance: Veined or Pebbled
Pegmatite
Pegmatite
Class: Igneous Rocks
Texture: Pegmatitic
Appearance: Layered, Banded, Veined and Shiny
Norite
Norite
Class: Igneous Rocks
Texture: Phaneritic
Appearance: Veined and Shiny
Andesite
Andesite
Class: Igneous Rocks
Texture: Aphanitic to Porphyritic
Appearance: Dull and Soft
Porphyry
Porphyry
Class: Igneous Rocks
Texture: Porphyritic
Appearance: Dull
Gabbro
Gabbro
Class: Igneous Rocks
Texture: Phaneritic
Appearance: Veined and Shiny
Diorite
Class: Igneous Rocks
Texture: Phaneritic
Appearance: Shiny
Other Notable Hard Rocks
Rhyolite, Pumice, Trachyte, Obsidian, Quartzite, Marble, Gneiss, Schist, Amphibolite, Eclogite, Migmatite, Phyllite.
Compare with Soft Rocks and Medium Hardness Rocks.