1) Beautiful stone 2) Cut mineral 3) Decorative stone 4) Gemstone mineral 5) Gemstone 6) Jewel 7) Jewel mineral 8) Mineral gemstone 9) Mineral jewel 10) Orthorhombic mineral 11) Polished jewel 12) Polished mineral 13) Prized mineral 14) Prized stone 15) Precious stone 16) Precious gem 17) Precious jewel
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https://www.crosswordclues.com/clue/chiastolite
Chiastolite is a variety of the mineral andalusite with the chemical composition Al2SiO5. It is noted for distinctive cross-shaped black inclusions of graphite. In areas around Georgetown, California, metamorphosed sediments contained andalusite and chiastolite in a graphite rich metasediment. The chiastolite crystals have been pseudomorphically a...
Found on
http://en.wikipedia.org/wiki/Chiastolite
• (n.) A variety of andalusite; -- called also macle. The tessellated appearance of a cross section is due to the symmetrical arrangement of impurities in the crystal.
Found on
http://thinkexist.com/dictionary/meaning/chiastolite/
a variety of the mineral andalusite (q.v.).[2 related articles]
Found on
http://www.britannica.com/eb/a-z/c/67
Chi·as'to·lite (ki*ăs'to*līt)
noun [ Greek
chiasto`s marked with a χ +
-lite . See
Chiasm . So called from the resemblance of the cross cuts of its crystals to the Greek letter χ.]
(Min.) A variety of andalusite; -- called also
macle . ...
Found on
http://www.encyclo.co.uk/webster/C/63
Chiastolite (macle) is a variety of andalusite. The tessellated appearance of a cross section when it is sliced, is due to the symmetrical arrangement of impurities in the crystal.
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http://www.probertencyclopaedia.com/browse/HC.HTM
A metamorphic mineral, Chiastolite is a variety of Andalusite. It contains cross-shaped inclusions of carbon.
Found on
https://www.encyclo.co.uk/local/22070
a variety of the mineral andalusite having cruciform carbonaceous inclusions.
Found on
https://www.infoplease.com/dictionary/chiastolite
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