Pyroxene vs Feldspar - What's the difference?
pyroxene | feldspar |
(mineralogy) Any of a group of crystalline minerals containing silicates of iron, magnesium and calcium.
* 2004 , (Richard Fortey), The Earth , Folio Society 2011, p. 10:
(mineral) Any of a large group of rock-forming minerals that, together, make up about 60% of the earth's outer crust. The feldspars are all aluminum silicates of the alkali metals sodium, potassium, calcium and barium. Feldspars are the principal constituents of igneous and plutonic rocks.
As nouns the difference between pyroxene and feldspar
is that pyroxene is pyroxene while feldspar is (mineral) any of a large group of rock-forming minerals that, together, make up about 60% of the earth's outer crust the feldspars are all aluminum silicates of the alkali metals sodium, potassium, calcium and barium feldspars are the principal constituents of igneous and plutonic rocks.pyroxene
English
(wikipedia pyroxene)Noun
(en noun)- By the pathside, there are occasional large boulders that shown black crystals the size of a fingernail; these are pyroxene minerals that had time to crystallise out deep within the chamber of liquid rock – or magma – beneath the volcano.