feldspar
3
9.0
- noun
- /ˈfɛldˌspɑr/
- Specialized
:
feldespato
- Scientists found that feldspar minerals often crystallize in magmas during the cooling process.
- plagioclase feldspar
- mineral feldspar
Examples
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The clays are generally formed from the chemical weathering of feldspars.
Academic text (1993) -
None of the minerals known as feldspars contain iron.
Academic text (2003) -
Do you wear masks all the time to avoid breathing in any dust with feldspars?
Blog text (15) -
What's needed are solar cells built from something cheap and abundant like feldspar.
Blog text (28) -
Anorthosite, a rock made up primarily of the mineral plagioclase feldspar, is the main constituent of the highlands.
Academic text (2003) -
Natural beach sands are primarily quartz, feldspar, serpentine, garnet, and epidote (Garzanti and others 2002).
Academic text (2008) -
Many igneous rocks are composed mostly of quartz and feldspar.
-
The geology report indicated that feldspar is a major component in the sample analyzed.
Synonyms
1
9.9
A hard mineral that often appears as shiny grains in rocks
Compounds
Surface Forms
Etymology
The word feldspar comes from the German Feldspat, where feld means 'field' and spat meant 'a rock that breaks into flat pieces'. So feldspar is literally a 'field rock', which helps explain why it is a common, hard mineral found in many kinds of rock.