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kyanite

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
ky·a·nite  (k-nt) also cy·a·nite (s-)
n.
A bluish-green to colorless mineral, Al2SiO5, used as a refractory.
[Greek kuanos, dark blue enamel + -ite.]
kyanite [ˈkaɪəˌnaɪt]
n
(Earth Sciences / Minerals) a grey, green, or blue mineral consisting of aluminium silicate in triclinic crystalline form. It occurs in metamorphic rocks and is used as a refractory. Formula AL2SiO5
kyanitic  [ˌkaɪəˈnɪtɪk] adj
kyanite  (k-nt)
A bluish-green to colorless triclinic mineral. Kyanite occurs as long, thin, blade-shaped crystals in metamorphic rocks. It is unique among minerals in having two grades of hardness, one along its length, and one along its width. It is a polymorph of andalusite and sillimanite, but can form at lower temperatures than either of these. Chemical formula: Al2SiO5.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.kyanitekyanite - a grey or greenish-blue mineral consisting of aluminum silicate in crystalline form; occurs in metaphoric rock, used as a refractory
cyanite
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition


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We note that the True Blue property was rediscovered by searching through a private database (although the beryl was originally misidentified as kyanite, a sample was retained and was later identified using X-ray diffraction).
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a three-year, $254,500 project to update the inventory of industrial minerals such as building stone, graphite, quartzite, kyanite, vermiculite and silica in the Parry Sound and Nipissing districts.
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