Colorful bi-color Corundum var. Ruby crystal on a pegmatite base with black Muscovite from Zazafotsy Quarry, Fianarantsoa Province, Madagascar. The crystal is 11mm and it has a rich color variation from red to purple. It is a hexagonal crystal with flat termination. The luster is good and the crystal is gemmy. Some damages. On acrylic base.

Cool Ruby!