Corundum var Ruby
Out of stock
An etched marble matrix revealing chains of pink corundum crystals to nearly 3cm. There sre also several areas with rootbear colored sadanagaite, which is a subsilicic, alumina rich, calcic amphibole.
Locality: An Phu Marble Mine, Luc Yen, Yen Bai Province Vietnam
Composition: Aluminum Oxide