oligoclase
Appearance
English
[edit]Etymology
[edit]Noun
[edit]oligoclase (usually uncountable, plural oligoclases)
- (mineralogy) A plagioclase feldspar, the second member of the Albite-Anorthite solid solution series. Primarily found as small crystals in impure marble. Oligoclase contains a small amount of calcium substituting for some of the sodium in its formula. Oligoclase with reddish-golden inclusions found in Norway and Canada is called sunstone.
See also
[edit]- oligoclase on Wikipedia.Wikipedia
- rock
- feldspar
- plagioclase
Further reading
[edit]- David Barthelmy (1997–2024) “Oligoclase”, in Webmineral Mineralogy Database.
- “oligoclase”, in Mindat.org[1], Hudson Institute of Mineralogy, 2000–2024.
Anagrams
[edit]French
[edit]Noun
[edit]oligoclase f (plural oligoclases)
Further reading
[edit]- “oligoclase”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.