1) Monoclinic mineral
Found on
https://www.crosswordclues.com/clue/brewsterite
Brewsterite is the name of a series of tectosilicate minerals of the zeolite group. Prior to 1997, brewsterite was recognized as a mineral species, but a reclassification in 1997 by the International Mineralogical Association changed it to a series name, with the mineral species being named brewsterite-Sr and brewsterite-Ba. Brewsterite-Sr, the mo...
Found on
http://en.wikipedia.org/wiki/Brewsterite
• (n.) A rare zeolitic mineral occurring in white monoclinic crystals with pearly luster. It is a hydrous silicate of aluminia, baryta, and strontia.
Found on
http://thinkexist.com/dictionary/meaning/brewsterite/
(from the article `heulandite`) Heulandite is a member of a group of zeolite minerals with a characteristic platy habit. Others in the group are stilbite, epistilbite, and ...
Found on
http://www.britannica.com/eb/a-z/b/111
Brews'ter·ite noun [ Named after Sir David
Brewster .] A rare zeolitic mineral occurring in white monoclinic crystals with pearly luster. It is a hydrous silicate of aluminia, baryta, and strontia.
Found on
http://www.encyclo.co.uk/webster/B/97
No exact match found.
