Feldspars are a group of rock-forming tectosilicate minerals that make up as
much as 60% of the Earth's crust. Feldspars crystallize from magma as veins in
Feldspar is the name given to a group of minerals distinguished by the presence
of alumina and silica (SiO2) in their chemistry. This group includes aluminum ...
The feldspar group is a fairly large group with nearly 20 members recognized, but
only nine are well known and common. Those few, however, make up the ...
Feldspar is by far the most abundant group of minerals in the earth's crust,
forming about 60% of terrestrial rocks. Most deposits offer sodium feldspar as
well as ...
Feldspar is a name given to a class of aluminum-containing silicates which are
sometimes called light silicates or "nonferromagnesian silicates" since they don't
Over half the Earth's crust is composed of a single group of minerals known as
the feldspars. Feldspars are an important component of many building stones,
Potassium-dominant feldspars with unknown crystal symmetry and Al-Si ordering
Classification of Feldspar Group. mindat.org URL: http://www.mindat.org/min-
1624.html. Please feel free to link to this page.
Feldspar is a very common igneous rock - more than half of the Earth's crust is
made of feldspar. When molecules of aluminum, silica and oxygen get together ...
Feldspar, any of a group of aluminosilicate minerals that contain calcium, sodium,
or potassium. Feldspars make up more than half of Earth's crust, and ...