Rare Ophiura Brittle Starfish Large Fossil Plate uv light Green Aventurine tumble and Strawberry

Green Aventurine tumble and Strawberry Quartz tumble

Polished into a cabochon

Each Opal has been photographed and videoed to show off these colour flashes so you can choose your favourite

as pictured

mandarin orange

Rare Ophiura Brittle Starfish Large Fossil Plate uv light Green Aventurine tumble and StrawberryOphiura ophiura "Serpent Star" Brittle Starfish. These Ophiura brittle stars are Ordovician in age, or approximately 450 million years. The dark orange coloration is due to the oxidization of iron pyrite. May includes other small fossil species or starfish limbs. This fossil has an incredibly clear image of the shape of the fallen starfish. Situated in limestone. Mined in Kataoua Formation, Morocco, North Africa. Approx. 21. 6cm x 16cm x 0. 9cm. Stand