fuckyeahcrystals: Epidote, Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH). The anisotropy, or directional asymmetry, of epidote causes the stone to appear different colors from different directions. The crystal structure bends light differently depending on the
fuckyeahcrystals: Epidote, Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH). The anisotropy, or directional asymmetry, of epidote causes the stone to appear different colors from different directions. The crystal structure bends light differently depending on the