Mineral Information and Data:

Koashvite
Na6CaTiSi6O18 [CNMNC approved formula]

Named for the locality: Mt. Koashva, Khibiny massif, Kola, Peninsula, Russia.

IMA status : Approved Species 1974 ()
CLASSIFICATION 
Dana
(8th edition) :
61.01.02b.02  
  (61) Cyclosilicate Six-Membered Rings
  (61.01) with [Si6O18] rings; possible (OH) and Al substitution
  (61.01.02b) Lovozerite group (Ortho and MON subgroup)
  
Nickel-Strunz
(10th edition) :
09.CJ.20
  (09) Silicates
  (09.C) Cyclosilicates
  (09.CJ) [Si6O18]12- 6-membered single rings (sechser-Einfachringe), without insular complex anions
  
Crystal system: Orthorhombic System
Point group (H-M): mmm (or 2/m 2/m 2/m) — dipyramidal
  
  
  

<<< BACK TO MINERAL SEARCH