it was formed from extreme pressure for a long time under the earth.
magma crystallization.
A rock is considered igneous if it formed directly from the cooling of molten rock.
during heat prusure and time it changers from quartz to smoky quartz
Quartz is a mineral not a rock. Fossils can be found associated with quartz in sedimentary rock not inside the quartz.
quartz qatar quasar
No. Diamond is formed in carbon.
Quartz is formed from pure silica.
YES
Quartz crystals typically grow hydrothermally, in hot, pressurized, silical solutions.
Quartz
Milky quartz is caused when fluids are trapped in the crystal early in its formation. Milky quarts is considered a flaw of the quartz by some.
Quartz and feldspar are commonly found together in granite and gneiss.
quartz
Quartz.
Flint, chert and jasper are all forms of the mineral quartz, which are generally formed in sedimentary rock.
Quartz is a mineral that is formed by volcanic action. It is the second most common mineral. Feldspar is more common.
Rose quartz is formed when a small amount of iron is incorporated into a pure quartz (SiO2) matrix. The inclusion of iron (Fe2O3) in many minerals s responsible for the colors that are observed. Iron also turns quartz into Amethyst.