Mineral Information and Data:

Straczekite
(Ca,K,Ba)V8O20 • 3H2O [CNMNC approved formula]

Named for John A. Straczed (1914-), U. S. Geologist.

IMA status : Approved Species 1983 ()
CLASSIFICATION 
Dana
(8th edition) :
47.03.02.01  
  (47) Vanadium Oxysalts
  (47.03) (Hydrated)
  (47.03.02) Straczekite Group
  
Nickel-Strunz
(10th edition) :
04.HE.20
  (04) Oxides and Hydroxides
  (04.H) V[5+,6+] Vanadates
  (04.HE) Phyllovanadates
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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