Mineral Information and Data:

Shirozulite
KMn2+3(Si3Al)O10(OH)2 [CNMNC approved formula]

Named for Haruo Shirozu, Professor Emeritus of Kyushu University for his contributions to the crystal chemistry of sheet-silicate minerals.

IMA status : Approved Species 2004 ()
CLASSIFICATION 
Dana
(8th edition) :
71.02.02b.01b  (This Dana# Added)
  (71) Phyllosilicate Sheets of Six-Membered Rings
  (71.02) with 2:1 Layers
  (71.02.02b) Mica Group (Biotite subgroup)
  
Nickel-Strunz
(10th edition) :
09.EC.20
  (09) Silicates
  (09.E) Phyllosilicates
  (09.EC) Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
  
Crystal system: Monoclinic System
Point group (H-M): 2/m — prismatic
  
  
  

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