OLIGOCLASE

plagioclase, oligoclase

(noun) any of a series of triclinic feldspars that form rocks

Source: WordNet® 3.1

Etymology

Noun

oligoclase (usually uncountable, plural oligoclases)

(mineral) 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.

Anagrams

• sociolegal

Source: Wiktionary

Ol"i*go*clase, n. Etym: [Oligo- + Gr. (Min.)

Definition: A triclinic soda-lime feldspar. See Feldspar.

Source: Webster’s Unabridged Dictionary 1913 Edition

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