Petraster Feather Starfish Medium Fossil Plate acrylic 10cm x 10cm x 5cm

10cm x 10cm x 5cm each

Cavansite and Pentagonite are both forms of hydrated calcium silicovanadates and are very similar to look and hard to distinguish between as they are exactly the same chemical formula

Weight 319g

2-4cm x 2cm each

and are virtually impossible to find on the market now

Petraster Feather Starfish Medium Fossil Plate acrylic 10cm x 10cm x 5cmPetraster Feather limbed starfish in fossilised limestone. This Petraster feather limbed starfish is 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. Mined in Kataoua Formation, Morocco, North Africa. Approx. 11. 4cm x 9. 5cm x 3cm. Stand sold separately. Please choose SMALL BOX SHIPPING for this item. Some fossils may