Demantoid

Demantoid is the green gemstone variety of the mineral andradite, a member of the garnet group of minerals. Andradite is a calcium- and iron-rich garnet. The chemical formula is Ca3Fe2(SiO4)3 with chromium substitution as the cause of the demantoid green color. Ferric iron is the cause of the yellow in the stone. It has the misnomers olivine, and ...
Found on http://en.wikipedia.org/wiki/Demantoid

Demantoid

• (n.) A yellow-green, transparent variety of garnet found in the Urals. It is valued as a gem because of its brilliancy of luster, whence the name.
Found on http://thinkexist.com/dictionary/meaning/demantoid/

demantoid

(from the article `andradite`) ...index. It is found in various colours, some of the most beautiful being yellowish (termed topazolite, because of its resemblance to topaz) and ... ...purple pyrope from the Middle East and from the former Czechoslovakia have been utilized in this capacity for centuries. Green andradite is cut, ... [2...
Found on http://www.britannica.com/eb/a-z/d/28

demantoid

noun a green andradite used as a gemstone
Found on https://www.encyclo.co.uk/local/20974

Demantoid

De·man'toid noun [ German demant diamond + -oid .] (Min.) A yellow-green, transparent variety of garnet found in the Urals. It is valued as a gem because of its brilliancy of luster, whence the name.
Found on http://www.encyclo.co.uk/webster/D/31

demantoid

[n] - a green andradite used as a gemstone
Found on http://www.webdictionary.co.uk/definition.php?query=demantoid
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