Home / Holly Blue Agate / HOLLY BLUE AGATE HOLLY BLUE AGATE$24.00 This is a fine designer cabochon of HOLLY BLUE AGATE, Oregon material. Dimension: 16.5 x 5.7 x 3.e MM. Clean stone, good color. 3cts. Sold! SKU: F18 Category: Holly Blue Agate Tag: holly blue agate