rarest type of garnet. Because of its color-changing quality, this kind of garnet resembles alexandrite.

Ugrandite group - calcium in X site

*Andradite: Ca₃Fe₂(SiO₄)₃
*Grossular: Ca₃Al₂(SiO₄)₃
*Uvarovite: Ca₃Cr₂(SiO₄)₃

Andradite