Как по Английски будет feldspat

noun

An abundant rock-forming mineral typically occurring as colourless or pale-coloured crystals and consisting of aluminosilicates of potassium, sodium, and calcium.

Примеры использования:

Quartz is associated most commonly with aegirine and potassium feldspar as well as zircon.

adjective

(of a mineral or rock) of the nature of or containing feldspar.

Примеры использования:

Neither sample showed optical evidence for postformation alteration in the form of chloritized vein…

noun

An abundant rock-forming mineral typically occurring as colourless or pale-coloured crystals and consisting of aluminosilicates of potassium, sodium, and calcium.

Примеры использования:

Quartz is associated most commonly with aegirine and potassium feldspar as well as zircon.