Feldspar vs Graystone - What's the difference?
feldspar | graystone |
(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.
(uncountable) A type of gray, volcanic rock, typically containing feldspar and iron
A building made of any type of gray stone, such as limestone
*{{quote-news, 2009, January 4, , Letters: Mr. Obama’s Neighborhood, New York Times
, passage=Founded almost 50 years ago, it's an imposing graystone structure (formerly a park district office). }}
As nouns the difference between feldspar and graystone
is that 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 while graystone is (uncountable) a type of gray, volcanic rock, typically containing feldspar and iron.feldspar
English
Alternative forms
* felsparNoun
(en noun)Derived terms
* feldsparlikeSee also
* albite * bytownite * andesine * anorthite * granite * labradorite * microcline * mineral * oligoclase * orthoclase * rockgraystone
English
Alternative forms
*greystone (mostly UK)Noun
(en noun)citation
