Helvine Structure Data
Search Webmineral :
Home
Crystal
jmol
jPOWD
Chem
X Ray
Dana
Strunz
Properties
A to Z
Images
Share
News
Help
About
Helvine
Return to Structure Data
INDEX
Helvine.973
Formula:
Mn3.88 O12 Be3 Si3 S
Name:
Helvine
Unit cell:
8.291 8.291 8.291 90.0 90.0 90.0 , V=569.93
Space group:
P-43n (218)
Hassan I , Grundy H D , American Mineralogist , 70 (1985) p.186-192, The crystal structures of helvite group minerals, (MnFeZn)8(Be6Si6O24)S2
jPOWD Java applet ©
MDI
(drag with left and right mouse button)