Dana number
58.2.4.1
Chemical formula
(Ca,Na,REE,Pb,Sb3+)19(Al,Mg,Fe3+,Fe2+,Ti,Mn,Cu,Zn)13(SiO4)10(Si2O7)4(B,¨)0.5O68(OH,F,O)10
Crystal class
Tetragonal
Mohs hardness
5-6.5
Specific gravity
3.32-3.43
Collected in
Crestmore, Riverside, California, United States