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 stone 14) Precious stone 15) Prized mineral 16) Precious jewel 17) Precious gem
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https://www.crosswordclues.com/clue/natrolite
Natrolite is a tectosilicate mineral species belonging to the zeolite group. It is a hydrated sodium and aluminium silicate with the formula {sodium|2}{aluminum|2}{silicon|3}{oxygen|10}{hydrate|2}. The type locality is Hohentwiel, Hegau, Germany. It was named natrolite by Martin Heinrich Klaproth in 1803. The name is derived from νατρών natr...
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http://en.wikipedia.org/wiki/Natrolite
• (n.) A zeolite occuring in groups of glassy acicular crystals, and in masses which often have a radiated structure. It is a hydrous silicate of alumina and soda. • (n.) A zeolite occuring in groups of glassy acicular crystals, and in masses which often have a radiated structure. It is a hydrous silicate of alumina and soda.Natrolite: wo...
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http://thinkexist.com/dictionary/meaning/natrolite/
hydrated sodium aluminosilicate mineral, Na2Al2Si3O102H2O, in the zeolite family. It has been found in the form of colourless or white, glassy, ...
Found on
http://www.britannica.com/eb/a-z/n/17
Na'tro·lite noun [
Natron +
-lite : confer French
natrolithe .]
(Min.) A zeolite occuring in groups of glassy acicular crystals, and in masses which often have a radiated structure. It is a hydrous silicate of alumina and soda.
Found on
http://www.encyclo.co.uk/webster/N/6
Natrolite is a colourless, white, or yellow zeolite mineral consisting of sodium aluminium silicate in the form of needle-like orthorhombic crystals and a relative hardness of 6. Natrolite is most often found in cavities in basalt. It is formed through the alteration of plagioclase feldspar, nepheline or sodalite.
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http://www.probertencyclopaedia.com/browse/HN.HTM
[
n] - a group of minerals of the zeolite family consisting of a hydrous silicate of sodium and aluminum
Found on
http://www.webdictionary.co.uk/definition.php?query=natrolite
noun a group of minerals of the zeolite family consisting of a hydrous silicate of sodium and aluminum
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https://www.encyclo.co.uk/local/20974
a white or colorless zeolite mineral, a hydrous silicate of sodium and aluminum, NaAlSiO&multiplydot;2HO, often occurring in acicular crystals.
Found on
https://www.infoplease.com/dictionary/natrolite
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