Natural red skin Turquoise pair 25.63 ct

Red skin Turquoise is a rare natural color Turquoise found in small nodule in Hubei, China.

Its name its due to the red skin of the nodules the depends on a coating of limonite that is also the constituent of the nice webbed pattern.

It has been stabilized, I think with epoxy, but the rare deep blue color is completely natural.