feldspar
Concise Oxford English Dictionary © 2008 Oxford University Press:
feldspar /ˈfɛldspɑː/ (also felspar)
▶noun an abundant rock-forming aluminosilicate mineral, typically colourless or pale-coloured.
– derivatives
feldspathic adjective.
feldspathic adjective.
– origin C18: alt. of Ger. Feldspat, Feldspath, from Feld ‘field’ + Spat, Spath ‘spar’ (see spar3); the form felspar is by mistaken assoc. with Ger. Fels ‘rock’.
'feldspar' also found in these Oxford entries:
albite
- alkali feldspar
- aluminosilicate
- anorthite
- arkose
- aventurine
- china stone
- diorite
- felsic
- felspar
- gabbro
- granite
- greenstone
- labradorite
- microcline
- moonstone
- oligoclase
- orthoclase
- plagioclase
- porphyry
- sanidine
- sunstone
- syenite
- trachyte
