Corundum var. Ruby in Zoisite Locality: Longido, Arusha, Tanzania Description: Superb hexagonal ruby crystal, the red-pink gem variety of the mineral species corundum, in green zoisite matrix. The ruby crystal has exceptionally rich color and runs completely through the matrix. From the Online Mineral Museum
Rocks & Minerals may sound boring & pointless. But each individual sample tells a story about the Earth. Studying the characteristics tells us the journey magma or sediment has taken beneath our feet to reach the surface. To not care about our planet's behavior's is pure ignorance.