  Wavellite.  
Description from the source: 
Wavellite (Al3 (PO4)2 (OH,F)3x5H2O orth.), Maulding, Montgomery, Arkansas, USA. Nice spherical crystal clusters on matrix with green color, better than the photo. 7,2x4x3,5 cm; 63 g. 
Source: Simone Citon 
Contributor: John Gray 
Acquired: 30 September, 2008 
Text Updated: 1 October, 2008 
Price: Trade 
Size: 2.8" 
Composition: Al3(PO4)2(OH,F)3.5H2O
 |  
  |  
 |  
  |