Mineral Information and Data:

Vanadiumdravite
NaMg3V6Si6O18(BO3)3(OH)4 [CNMNC approved formula]

Named for its vanadium content and the mineral dravite.

IMA status : Approved Species 2002 ()
CLASSIFICATION 
Dana
(8th edition) :
61.03e.01.12  (This Dana# Added)
  (61) Cyclosilicate Six-Membered Rings
  (61.03e) with borate groups (Sodic Tourmaline Subgroup)
  (61.03e.01) Schorl Subgroup
  
Nickel-Strunz
(10th edition) :
09.CK.05
  (09) Silicates
  (09.C) Cyclosilicates
  (09.CK) [Si6O18]12- branched 6-membered single rings, with insular complex anions
  
Crystal system: Trigonal System
Point group (H-M): 3m — ditrigonal-pyramidal
  
  
  

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