Probably orthoquartzite, although some consider it a metamorphic rock.
Igneous rock is formed when magma cools and becomes solid.
Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.
Cooling and solidifying magma turns into igneous rock.
It is called an intrusive igneous rock.
You say it as ' Igneous ROCK ' and ask whether it is a rock..
be carefull before weathering is not allowed for sedimentary.
Hardest Mineral=Diamond Second would be corundum.etc. etc....but these are minerals. Rocks are a combination of at least 2 minerals. A hard "rock" would be nearly any mafic, igneous rock.
Igneous rock is formed.
Obsidian is an igneous rock.
Igneous rock is formed when magma cools and becomes solid.
Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.
Cooling and solidifying magma turns into igneous rock.
Yes, granite is a type of igneous rock.
Basalt is an extrusive igneous rock.
It is called an intrusive igneous rock.
You say it as ' Igneous ROCK ' and ask whether it is a rock..
The diamond is the hardest rock (or mineral).