Mineral Information and Data:

Ciprianiite
Ca4(ThREE)AlSi4B4O22(OH)2 [CNMNC approved formula]

Named for Curzio Cipriani, Professor of Mineralogy and Head of the Museum of Natural History, Universita di Firenze, Italy.

IMA status : Approved Species 2001 ()
CLASSIFICATION 
Dana
(8th edition) :
54.02.02.06  (This Dana# Added)
  (54) Nesosilicate Borosilicates and Some Beryllosilicates
  (54.02) with B in [4] coordination
  (54.02.02) Hellandite group
  
Nickel-Strunz
(10th edition) :
09.DK.20
  (09) Silicates
  (09.D) Inosilicates* Structural terminology per Liebau (1985)
  (09.DK) with 5-periodic single chains
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  
Comments: Radioactive.

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