10.7ct Australian Belemnite Fossil Opal Rough – 17 × 11 × 8mm

A unique Australian belemnite fossil opal rough weighing 10.7 carats, measuring 17 x 11 x 8mm. This fascinating fossil has been naturally replaced with precious opal, displaying bright flashes of green and blue  through a translucent crystal body. The colour is visible from multiple angles, making it an exciting piece for collectors or experienced cutters looking for a one-of-a-kind gem. The original belemnite structure remains beautifully preserved, giving this specimen both geological and lapidary appeal. Item Number: OA4475