Mineralogy Database

Bearthite Mineral Data

Search Webmineral :

General Bearthite Information

Help on Chemical  Formula: Chemical Formula: Ca2Al(PO4)2(OH)
Help on Composition: Composition: Molecular Weight = 314.09 gm
   Calcium     25.52 %  Ca   35.71 % CaO
   Aluminum     8.59 %  Al   16.23 % Al2O3
   Phosphorus  19.72 %  P    45.19 % P2O5
   Hydrogen     0.32 %  H     2.87 % H2O
   Oxygen      45.85 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2Al(PO4)2(OH)
Help on Environment: Environment: In synmetamorphic quartz segregations and as an accessory mineral in high-pressure metamorphic rocks. Experimental study indicates that the stability of bearthite is restricted to v ery Ca-poor or P-rich rocks under mode
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Found on the western ridge of the Stockhorn, Zermatt Valley, Valais, Switzerland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Honors Professor Peter Bearth (1902-1989), for his pioneering petrologic studies of the high-pressure terranes of the western Alps.
Help on Name Pronunciation: Name Pronunciation: Bearthite + Pronunciation Say BEARTHITE
Help on Synonym: Synonym: ICSD 74169
  PDF 45-1483