There are many. A few would be diorite, granite, gabbro, and basalt.
Diamond is the mineral at the top of the mineral hardness scale.
dimands
Igneous Rock
Granite is a coarse grained igneous rock without Pyroxene.
Basalt
Granite
It is just the hard sort. Most hard rock was constructed by slow solidification of magma but some metamorphosed sedimentary and igneous rocks can also be considered to be 'hard rock'. And most igneous rocks except volcanic ejecta are hard. But to a geologist a hard rock usually means a slowly solidified magma in which minerals had time enough to form visible crystals.
Igneous rock is considered "hard" rock by geologists due to its interlocking crystalline structure.
Granite is the name of the igneous rock used in monuments.
its called igneous rock.
Extrusive igneous rock is formed from cooling lava.
Igneous rock.
Igneous Rock
The most common rock is an igneous rock e.g. Granite.
Igneous is formed when a hot liquid rock cools down and becomes hard.
The hard igneous rock is spelled "basalt".
Xenolith
Granite is a coarse grained igneous rock without Pyroxene.
Basalt