|  |  | 
	 Ammonioborite Mineral Data  |  |  | 
   
| General Ammonioborite  Information  | 
|  Chemical  Formula: | (NH4)2B10O16•5(H2O) | 
|  Composition: | Molecular Weight = 490.24 gm | 
|  | Boron     22.05 %  B    71.00 % B2O3 | 
|  | Hydrogen   1.64 %  H      -   % Calc as (NH4)2O | 
|  | Hydrogen   2.06 %  H    18.37 % H2O | 
|  | Nitrogen   5.71 %  N    10.62 % (NH4)2O | 
|  | Oxygen    68.53 %  O | 
|  | ______        ______ | 
|  | 100.00 %      100.00 % = TOTAL OXIDE | 
|  Empirical Formula: | (NH4)2B10O16•5(H2O) | 
|  Environment: | Boric acid-rich fumarolic lagoons. | 
|  IMA Status: | Valid Species (Pre-IMA) 1931 | 
|  Locality: | Larderello, Val di Cecina, Tuscany, Italy. Link to MinDat.org Location Data. | 
|  Name Origin: | Named for its composition, ammonium borate. | 
|  Name Pronunciation: | Ammonioborite  + Pronunciation   | 
|  Synonym: | ICSD 23532 | 
|  | PDF 12-637 | 
|  |