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Occurs in igneous rocks
Answer for the clue "Occurs in igneous rocks ", 8 letters:
sodalite
Alternative clues for the word sodalite
Word definitions for sodalite in dictionaries
Wikipedia
Word definitions in Wikipedia
Sodalite is a rich royal blue tectosilicate mineral widely used as an ornamental gemstone . Although massive sodalite samples are opaque, crystals are usually transparent to translucent. Sodalite is a member of the sodalite group with hauyne , nosean , ...
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Sodalite \So"da*lite\, n. [Soda + -lite: cf. F. sodalithe.] (Min.) A mineral of a white to blue or gray color, occuring commonly in dodecahedrons, also massive. It is a silicate of alumina and soda with some chlorine.
WordNet
Word definitions in WordNet
n. a vitreous mineral consisting of sodium aluminum silicate and sodium chloride in crystalline form; occurs in igneous rocks
Wiktionary
Word definitions in Wiktionary
n. (context mineralogy English) A mineral of alkaline igneous and plutonic rocks that are low in silica, of the chemical composition of sodium aluminum silicate with chlorine, sodium 4 aluminum 3 silicon 3 oxygen 12 chlorine. Pink sodalite is sometimes ...
Usage examples of sodalite.
She unerringly seized upon the beautifully marked agates, the oddly colored sodalite strand whose dark lavender shade might be a fault but was also strikingly attractive.
A darker blue, perhaps empowered in a deep blue bottle with a sodalite crystal, is calming and so the infused colour would help to alleviate panic experienced when flying.