Samfowlerite

General Information:
 Chemical Formula:
Ca14Mn++3Zn2(Be,Zn)2Be6(SiO4)6(Si2O7)4(OH,F)6
 IMA Status:
Approved IMA
Physical Properties:
 Cleavage:
None
 Color:
colorless or white.
 Density:
3.28
 Diaphaniety:
Transparent
 Hardness:
2.5-3 - Finger Nail-Calcite
 Luster:
Vitreous (Glassy)
 Streak:
white
More details...