General Information:
Chemical Formula:
(Mn,Ca)6(V+++++,As)Si5O18(OH)
IMA Status:
Approved IMA 1980
Physical Properties:
Cleavage:
[100] Good
Color:
brownish red.
Density:
3.7
Luster:
Subadamantine
Streak:
yellow white
More details...
General Information:
Chemical Formula:
(Mn,Ca)6(V+++++,As)Si5O18(OH)
IMA Status:
Approved IMA 1980
Physical Properties:
Cleavage:
[100] Good
Color:
brownish red.
Density:
3.7
Luster:
Subadamantine
Streak:
yellow white
More details...
Mineralogy database English vocab. Английский словарь базы данных минералогии . 2012