feldspar The general name given to any of a group of common rock-forming aluminum silicate minerals that contain the elements potassium, sodium, calcium, or some combination of these.
(The general name; given; to any of a group of common rock-forming aluminum silicate minerals) (silicate minerals; contain; the elements potassium, sodium, calcium, or some combination of these)
The general name silicate minerals
given contain
to any of a group of common rock-forming aluminum silicate minerals
the elements potassium, sodium, calcium, or some combination of these