General Information:
Chemical Formula:
Mn++6(Fe+++,Sb+++++,As)Si2(O,OH)14
IMA Status:
Approved IMA
Physical Properties:
Color:
brown.
Diaphaniety:
Transparent to Translucent
Hardness:
4 - Fluorite
Luster:
Vitreous (Glassy)
More details...
General Information:
Chemical Formula:
Mn++6(Fe+++,Sb+++++,As)Si2(O,OH)14
IMA Status:
Approved IMA
Physical Properties:
Color:
brown.
Diaphaniety:
Transparent to Translucent
Hardness:
4 - Fluorite
Luster:
Vitreous (Glassy)
More details...
Mineralogy database English vocab. Английский словарь базы данных минералогии . 2012