As nouns the difference between feldspar and spectrolite
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 spectrolite is a rare variety of labradorite feldspar, raning in colors from blue to red.
feldspar
English
Alternative forms
* felspar
Noun
(
en noun)
(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.
Related terms
* feldspathic
* feldspathoid
Derived terms
* feldsparlike
See also
* albite
* bytownite
* andesine
* anorthite
* granite
* labradorite
* microcline
* mineral
* oligoclase
* orthoclase
* rock
spectrolite
Noun
(
en noun)
a rare variety of labradorite feldspar, raning in colors from blue to red.