feldspar

How to use feldspar in a sentence. Example sentences and definitions for feldspar.

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Editorial note

The K is mostly contained in alkali feldspar and mica.

Examples6

Definitions1

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Quick take

any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium

Meaning at a glance

The clearest senses and uses of feldspar gathered in one view.

noun

any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium

Definitions

Core meanings and parts of speech for feldspar.

noun

any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium

Example sentences

The K is mostly contained in alkali feldspar and mica.

Granite, by the way, is composed of different materials, such as, for example, feldspar and quartz.

" Rocks that are on the surface get weathered and eroded; quartz and feldspar on exposed granite become successive layers of sandstone.

Rarely is it made into jewelry, usually only as an inclusion into another mineral such as quartz or feldspar.

I would guess not, otherwise it would exist in nature"Moonstone sometimes exhibits red-orange coloration due to its structure of alternating layers of different types of feldspar.

Whereas magmas at mid-ocean ridges become enriched in iron because of the crystallisation of plagioclase feldspar, at subduction zones the presence of water suppresses feldspar crystallisation, instead producing 'wet' minerals like amphibole.