Mineral Information and Data:

Bobdownsite
Ca9Mg(PO4)6(PO3F) [CNMNC approved formula]

Named for Robert (Bob) Terrance Downs, Professor of Geophysics, University of Arizona, and chief advisor for the RRUFF project to collect Raman spectra of all minerals.

IMA status : Approved Species 2008 ()
CLASSIFICATION 
Dana
(8th edition) :
38.03.04.08  (This Dana# Added)
  (38) Anhydrous Phosphates, etc
  (38.03) (A+ B++)3 (XO4)2
  (38.03.04) Whitlockite group
  
Nickel-Strunz
(10th edition) :
08.AC.45
  (08) Phosphates, Arsenates, Vanadates
  (08.A) Phosphates, etc. without additional anions, without H2O
  (08.AC) With medium-sized and large cations
  
Crystal system: Trigonal System
Point group (H-M): 3m — ditrigonal-pyramidal
  
  
  

<<< BACK TO MINERAL SEARCH