Definition of feldspar in English:

feldspar

(also felspar)

noun ˈfɛldspɑːˈfɛldspɑr

mass noun

An abundant rock-forming mineral typically occurring as colourless or pale-coloured crystals and consisting of aluminosilicates of potassium, sodium, and calcium.
长石（一种大量存在的造岩矿物）
Example sentencesExamples
- Minerals such as feldspar, which are insoluble in water, will not give a positive test.
- Quartz is associated most commonly with aegirine and potassium feldspar as well as zircon.
- These granite dikes are composed almost totally of potassium feldspar and quartz.
- Its most abundant mineral is feldspar, which accounts for two-thirds of the Earth's crust.
- Larger crystals of feldspar and quartz dominate the host rock.

Origin

Mid 18th century: alteration of German Feldspat, Feldspath, from Feld 'field' + Spat, Spath 'spar' (see spar³). The form felspar is by mistaken association with German Fels 'rock'.

Definition of feldspar in US English:

feldspar

nounˈfɛldspɑrˈfeldspär

An abundant rock-forming mineral typically occurring as colorless or pale-colored crystals and consisting of aluminosilicates of potassium, sodium, and calcium.
长石（一种大量存在的造岩矿物）
Example sentencesExamples
- Minerals such as feldspar, which are insoluble in water, will not give a positive test.
- Larger crystals of feldspar and quartz dominate the host rock.
- Its most abundant mineral is feldspar, which accounts for two-thirds of the Earth's crust.
- These granite dikes are composed almost totally of potassium feldspar and quartz.
- Quartz is associated most commonly with aegirine and potassium feldspar as well as zircon.

Origin

Mid 18th century: alteration of German Feldspat, Feldspath, from Feld ‘field’ + Spat, Spath ‘spar’ (see spar). The form felspar is by mistaken association with German Fels ‘rock’.

词汇	feldspar
释义	Definition of feldspar in English: feldspar (also felspar) noun ˈfɛldspɑːˈfɛldspɑr mass noun An abundant rock-forming mineral typically occurring as colourless or pale-coloured crystals and consisting of aluminosilicates of potassium, sodium, and calcium. 长石（一种大量存在的造岩矿物） Example sentencesExamples Minerals such as feldspar, which are insoluble in water, will not give a positive test. Quartz is associated most commonly with aegirine and potassium feldspar as well as zircon. These granite dikes are composed almost totally of potassium feldspar and quartz. Its most abundant mineral is feldspar, which accounts for two-thirds of the Earth's crust. Larger crystals of feldspar and quartz dominate the host rock. Origin Mid 18th century: alteration of German Feldspat, Feldspath, from Feld 'field' + Spat, Spath 'spar' (see spar³). The form felspar is by mistaken association with German Fels 'rock'. Definition of feldspar in US English: feldspar nounˈfɛldspɑrˈfeldspär An abundant rock-forming mineral typically occurring as colorless or pale-colored crystals and consisting of aluminosilicates of potassium, sodium, and calcium. 长石（一种大量存在的造岩矿物） Example sentencesExamples Minerals such as feldspar, which are insoluble in water, will not give a positive test. Larger crystals of feldspar and quartz dominate the host rock. Its most abundant mineral is feldspar, which accounts for two-thirds of the Earth's crust. These granite dikes are composed almost totally of potassium feldspar and quartz. Quartz is associated most commonly with aegirine and potassium feldspar as well as zircon. Origin Mid 18th century: alteration of German Feldspat, Feldspath, from Feld ‘field’ + Spat, Spath ‘spar’ (see spar). The form felspar is by mistaken association with German Fels ‘rock’.
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