originating from the nearby Rubielos de la Cerida impact structure

Cooney while engaged on a geological survey

and clarity

6x1 inches

is known for its beautiful color variations and distinctive twinning patterns

Rock Tumbler Madagascar Mixed Rocks Refill Kit |Gemstones and Rocks for Tumbling | 4 Pounds | SO24 Elbaite originating from the nearby RubielosProduct Type: Rock Tumbler Madagascar Mixed Rocks Refill Kit Approx Weight (per piece): 4 X 1 Pound Bags Size: Various Shape: Rough Type Variety pack (Includes Quartz, Amethyst, Jasper and Obsidian) Origin: Madagascar Comes with a National Geographic instruction and learning guide.