Mineral Information and Data:

Bijvoetite-(Y)  
Y8(UO2)16O8(CO3)16(OH)8 • 39H2O [CNMNC approved formula]

Named to honor Dutch crystallographer, Johannes Martin Bijvoet (1892-1980).

IMA status : Approved Species 1982 ()
CLASSIFICATION 
Dana
(8th edition) :
16b.02.04.01  
  (16b) Carbonates - Hydroxyl or Halogen
  (16b.02) where (A)m (B)n (XO3)p Zq · x(H2O), with (m+n):p=3:2
  (16b.02.04)
  
Nickel-Strunz
(10th edition) :
05.EB.20
  (05) Carbonates and Nitrates
  (05.E) Uranyl Carbonates
  (05.EB) UO2:CO3 = 1:1
  
Crystal system: Monoclinic System
Point group (H-M): 2 — sphenoidal
  
  
  
Other Properties: Radioactive.
Comments: Radioactive.

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