1. 
   Dawsonite
   Dawsonite is a mineral composed of sodium aluminium carbonate hydroxide, chemical formula NaAlCO3(OH)2. It crystallizes in the orthorhombic crystal system. It is not mined for ore. It was discovered in 1874 during the construction of the Redpath Museum in a feldspathic dike on the campus of McGill ...
   Found op http://en.wikipedia.org/wiki/Dawsonite
   
   
2. 
   Dawsonite
   Daw'son·ite noun [ Named after J. W. Dawson of Montreal.] (Min.) A hydrous carbonate of alumina and soda, occuring in white, bladed crustals.
   Found op http://www.encyclo.co.uk/webster/D/9
   
   
3. 
   dawsonite
   <chemical> A hydrous carbonate of alumina and soda, occuring in white, bladed crustals. ... Origin: Named after J. W. Dawson of Montreal. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?dawsonite
   
   
4. 
   Dawsonite
   • (n.) A hydrous carbonate of alumina and soda, occuring in white, bladed crustals.
   Found op http://thinkexist.com/dictionary/meaning/dawsonite/
   
   
5. 
   dawsonite
   a carbonate mineral, NaAlCO3 (OH)2, that is probably formed by the decomposition of aluminous silicates. Of low-temperature, hydrothermal origin, it ... [1 related articles]
   Found op http://www.britannica.com/eb/a-z/d/14
   
   

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