Dumortierite hearts, stabilized with a resin coating. I haven't been able to find these without any coating, as it is such a fragile mineral, it will not polish without the addition of a stabilizer.
Some have inclusions of garnet or quartz!
Dumortierite hearts, stabilized with a resin coating. I haven't been able to find these without any coating, as it is such a fragile mineral, it will not polish without the addition of a stabilizer.
Some have inclusions of garnet or quartz!