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cordierite

   Also found in: Wikipedia, Hutchinson 0.06 sec.
cor·di·er·ite  (kôrd--rt)
n.
A dichroic violet-blue to gray mineral silicate of magnesium, aluminum, and sometimes iron. Also called dichroite.
[French, after Pierre L. Cordier (1777-1861), French geologist.]
cordierite  (kôrd--rt)
A light-blue to dark-blue or gray orthorhombic mineral. Cordierite is a silicate of magnesium, aluminum, and sometimes iron, and is found in granites and in metamorphic rocks that form under relatively low-pressure conditions. Chemical formula: (Mg,Fe)2Al4Si5O18.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.cordierite - a blue mineral of magnesium and iron and aluminum and silicon and oxygen; often used as a gemstone
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
water sapphire - a deep blue cordierite often used as a gemstone
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From 2009 onward, the joint venture partners plan to manufacture high performance and cost-effective diesel particulate filters made of cordierite and to market them separately.
DENSO and Robert Bosch to Establish Joint Venture to Develop and ... by JCN Newswires
The metamorphosed alteration zones are characterized by the presence of various combinations of anthophyllite, cordierite, garnet, staurolite, biotite and/ or andalusite.
Government geoscience stimulates mineral exploration in the superior ... by Simard, Martin / Geoscience Canada
The high magnesium content suggests it came from deeper than about 16 miles, Marvin says, while the cordierite means it was probably no more than 30 miles deep.
Moonrock tells of little-known lunar layers by Science News
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