Help on Dana Classification : Dana Classif. : Dana Code:4.3.9.1
Dana Class:4 - Oxide Minerals
Dana Type:4.3 - Simple Oxides with a cation charge of 3+ (A+++2O3)
Dana Group:4.3.9 - 
 
CodeMineralFormulaH-M SymbolSpace Group
4.3.9.1ArsenoliteAs2O34/m -3 2/mFd3m
4.3.9.2SenarmontiteSb2O34/m -3 2/mFd3m
 
Help on Strunz Class: Strunz Classif. : Strunz Code:IV/C.02-10
Strunz Class:IV - Oxides
Strunz Type:IV/C - Oxides with metal : oxygen = 2:3 (M2O3 and related compounds)
Strunz Group:IV/C.02 - Arsenolite - Sillenite series
 
CodeMineralFormulaH-M SymbolSpace Group
IV/C.02-10ArsenoliteAs2O34/m -3 2/mFd3m
IV/C.02-20SenarmontiteSb2O34/m -3 2/mFd3m
IV/C.02-30BismiteBi2O32/mP21/c
IV/C.02-35SphaerobismoiteBi2O3P42212 or P42/n
IV/C.02-40SilleniteBi12SiO202 3I23
IV/C.02-50ChrombismiteBi16CrO27I4,I4-,I4/m