1) Zeolite
Found on
https://www.crosswordclues.com/clue/phillipsite
Phillipsite is a mineral series of the zeolite group; a hydrated potassium, calcium and aluminium silicate, approximating to (Ca,Na2,K2)3Al6Si10O32·12H2O. The members of the series are phillipsite-K, phillipsite-Na and phillipsite-Ca. The crystals are monoclinic, but only complex cruciform twins are known, these being exactly like twins of harmot...
Found on
http://en.wikipedia.org/wiki/Phillipsite
• (n.) A hydrous silicate of aluminia, lime, and soda, a zeolitic mineral commonly occurring in complex twin crystals, often cruciform in shape; -- called also christianite.
Found on
http://thinkexist.com/dictionary/meaning/phillipsite/
hydrated calcium, sodium, and potassium aluminosilicate mineral in the zeolite family [(K,Na,Ca)1-2(Si,Al)8O166H2O]. It typically is found as brittle ... [1 related articles]
Found on
http://www.britannica.com/eb/a-z/p/57
Phil'lips·ite noun [ So named after John
Phillips , an English mineralogist.]
(Min.) (a) A hydrous silicate of aluminia, lime, and soda, a zeolitic mineral commonly occurring in complex twin crystals, often cruciform in shape; -- called also
christianite .
Found on
http://www.encyclo.co.uk/webster/P/72
Phillipsite has the formulae (K2,Na2Ca)(Al2Si4)O12ù4-5H2O and a relative hardness of 5. It is a hydrothermal mineral found lining cavities in basalt rocks associated with chabazite. Formed as an alteration product of feldspars and volcanic ashes.
Found on
http://www.probertencyclopaedia.com/browse/HP.HTM
[
n] - a group of white or reddish crystalline minerals of the zeolite family consisting of a hydrous silicate of calcium and potassium and aluminum
Found on
http://www.webdictionary.co.uk/definition.php?query=phillipsite
noun a group of white or reddish crystalline minerals of the zeolite family consisting of a hydrous silicate of calcium and potassium and aluminum
Found on
https://www.encyclo.co.uk/local/20974
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