Feldspar is not a specific substance, but a class of aluminosilicates of potassium, sodium and calcium.
feldspar
quarts, feldspar and mica
feldspar and quartz.
Feldspar is a mixture.
Feldspar is the name of a group of rock-forming minerals which make up as much as 60% of the Earth's crust. Feldspars crystallize from magma in both intrusive and extrusive rocks, and they can also occur as compact minerals, as veins, and are also present in many types of
feldspar
feldspar
quarts, feldspar and mica
feldspar and quartz.
microcline is the answer
plagioclase feldspar & hornblende
Quartz, feldspar, mica.
no, feldspar is a mineral.
no, feldspar is a mineral.
Feldspar is a mixture.
Feldspar's fracture is brittle
The fracture of feldspar is conchoidal or brittle.