1) Beautiful stone 2) Cut mineral 3) Decorative stone 4) Gemstone 5) Gemstone mineral 6) Jewel 7) Jewel mineral 8) Mineral 9) Mineral jewel 10) Mineral gemstone 11) Polished mineral 12) Polished jewel 13) Prized mineral 14) Prized stone 15) Precious gemstone 16) Precious stone 17) Precious gem 18) Precious jewel
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https://www.crosswordclues.com/clue/cordierite
1) Dichroite 2) Iolite
Found on
https://www.crosswordclues.com/clue/cordierite
Cordierite (mineralogy) or iolite (gemology) is a magnesium iron aluminium cyclosilicate. Iron is almost always present and a solid solution exists between Mg-rich cordierite and Fe-rich sekaninaite with a series formula: ({Magnesium},{Iron})2{Aluminium|3}({Silicon|5}{Aluminium}{Oxygen|18}) to ({Iron},{Magnesium})2{Aluminium|3}({Silicon|5}{Alumini...
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http://en.wikipedia.org/wiki/Cordierite
• (n.) See Iolite.
Found on
http://thinkexist.com/dictionary/meaning/cordierite/
A silicate of magnesium and aluminum, Mg2Al3(AlSi5O18), found as an accessory mineral in granite, gneiss (cordierite gneiss), schists, and in contact metamorphic zones.
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http://www.australian-shares.com/glossary-of-terms.php.html
blue silicate mineral that occurs as crystals or grains in igneous rocks. It typically occurs in thermally altered clay-rich sediments surrounding ... [3 related articles]
Found on
http://www.britannica.com/eb/a-z/c/141
Cor'di·er·ite (kôr'dĭ*ẽr*īt)
noun [ Named after the geologist
Cordier .]
(Min.) See
Iolite .
Found on
http://www.encyclo.co.uk/webster/C/159
Cordierite is found as an accessory mineral in granite, gneiss, schists, and in contact metamorphic zones. Transparent specimens of good colour have been used as a gem stone. It has the formulae Mg2Al4Si5O18 and a relative hardness of 8.
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http://www.probertencyclopaedia.com/browse/HC.HTM
[
n] - a blue mineral of magnesium and iron and aluminum and silicon and oxygen
Found on
http://www.webdictionary.co.uk/definition.php?query=cordierite
noun a blue mineral of magnesium and iron and aluminum and silicon and oxygen; often used as a gemstone
Found on
https://www.encyclo.co.uk/local/20974
a strongly dichroic blue mineral consisting of a silicate of magnesium, aluminum, and iron: common in metamorphic rocks. Also called
Found on
https://www.infoplease.com/dictionary/cordierite
No exact match found.
