You say it as ' Igneous ROCK ' and ask whether it is a rock..
No, it is a mineral.
An* And no. Cinnabar is a mineral, not a rock.
Extrusive igneous rock consists of mineral crystals that are not observable with the naked eye. Obsidian is an extrusive igneous rock (volcanic glass) where there technically are no mineral crystals.
igneous rock
quartz is a basic mineral and can be in any type of rock
Quartz is a rock-forming mineral--and can be found in all three rock types. There is no igneous rock formation that is exclusively composed of the mineral quartz.
Pumice is an extrusive igneous rock, not a mineral.
No, it is a mineral.
An* And no. Cinnabar is a mineral, not a rock.
Cobalt is a mineral, not a rock.
Extrusive igneous rock consists of mineral crystals that are not observable with the naked eye. Obsidian is an extrusive igneous rock (volcanic glass) where there technically are no mineral crystals.
The size of the mineral crystals in an igneous rock determines the rock's texture.
Uranophane is a mineral.
igneous rock
igneous rock
quartz is a basic mineral and can be in any type of rock
Amethyst is an igneous rock. It is quartz which has been stained purple by mineral impurities.