Green Onyx Coaster spotted agate and typically colorless quartz

and typically colorless quartz

Average Dimensions: 1 L x 1 W x 4 H inches

This mineral gets its name from Mount Vesuvius

Several snowflake bursts are exhibited in this specimen

Green Onyx Coaster spotted agate and typically colorless quartzPakistani onyx, the bands formed by the deposition of calcite saturated with iron. The iron oxidizes into reddish bands while the reduced iron creates green or whitish banding. These pieces are polished into coasters. You will receive one piece selected from our current stock. All pieces are of similar size and quality. Average measurements: 3. 75 L x 3. 75 W x 0. 25 H inches Average weight: 2. 55 pounds