
1) Beautiful stone 2) Cut mineral 3) Decorative stone 4) Gemstone 5) Gemstone mineral 6) Iron mineral 7) Jewel 8) Jewel mineral 9) Mineral jewel 10) Mineral gemstone 11) Orthorhombic mineral 12) Polished jewel 13) Polished mineral 14) Prized stone 15) Precious gem 16) Precious gemstone 17) Prized mineral
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https://www.crosswordclues.com/clue/fayalite

Fayalite (Fe2SiO4), also called iron chrysolite, is the iron-rich end-member of the olivine solid-solution series. In common with all minerals in the olivine group, fayalite crystallizes in the orthorhombic system (space group Pbnm) with cell parameters a 4.82 Å, b 10.48 Å and c Å 6.09. Fayalite forms solid solution series with the magnesium ol...
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http://en.wikipedia.org/wiki/Fayalite

• (n.) A black, greenish, or brownish mineral of the chrysolite group. It is a silicate of iron.
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http://thinkexist.com/dictionary/meaning/fayalite/

iron-rich silicate mineral that is a member of the forsterite–fayalite series (q.v.) of olivines.[3 related articles]
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http://www.britannica.com/eb/a-z/f/12
Fay'al·ite noun [ So called from the island
Fayal .]
(Min.) A black, greenish, or brownish mineral of the chrysolite group. It is a silicate of iron.
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http://www.encyclo.co.uk/webster/F/13

Fayalite, named after the island of Fayal, is a black, greenish, or brownish mineral of the chrysolite group. It is a silicate of iron.
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http://www.probertencyclopaedia.com/browse/HF.HTM

The iron-rich end-member of the olivine solid-solution series (Fe2SiO4).
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http://www.scientificpsychic.com/etc/geology-glossary.html
(Iron Magnesium Silicate) Fayalite is named for the Island of Fayal of the Azores. It is one of two minerals that are simply known as olivine . The other mineral is forsterite . Fayalite is the iron rich member with a pure formula of Fe
2SiO
4 . Forsterite is the magnesium rich m...
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https://www.encyclo.co.uk/local/23719
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