Ruby Kyanite Obelisk Large blue The iron oxidizes into reddish

The iron oxidizes into reddish bands while the reduced iron creates green or whitish banding

containing the earliest records of life on Earth

the way light reflects off a surface

pegmatitic rocks

and hardness of 7 on the Mohs scale

Ruby Kyanite Obelisk Large blue The iron oxidizes into reddishRuby Kyanite occurs when red ruby (corundum) crystals form within a blue kyanite matrix. Kyanite is a silicate mineral that forms during regional metamorphism of clay rich sediments, indicating deep burial of a terrain. This piece is polished into an obelisk shape. You will receive the exact item pictured. Dimensions: 2. 0 L x 2. 0 W x 6. 5 H inches. Weight: 1. 89 pounds