feldspar
US /ˈfeld.spɑːr/
UK /ˈfeld.spɑːr/
名詞
長石
a group of rock-forming aluminum silicate minerals, containing potassium, sodium, or calcium, and making up a large part of the earth's crust
例:
•
Granite is a rock primarily composed of quartz and feldspar.
花崗岩は主に石英と長石で構成される岩石です。
•
The pinkish color of the rock comes from the feldspar crystals.
岩石のピンクがかった色は長石の結晶によるものです。