Spanish Pyrite (3) malachite The Cretaceous Period was a

The Cretaceous Period was a time when the seas were full of living Ammonites and Nautilus creatures

making it at least six metres longer than the upper estimates for Mosasaurus

Origin • Found in igneous and metamorphic rocks

Travel to the higher realms

with such an array of colour

Spanish Pyrite (3) malachite The Cretaceous Period was aIsnt it amazing that this formation is aaall natural!? These Pyrites from Spain are only able to be mined with certain permissions, and not all year round. Pyrite, or iron pyrite is an iron sulphide. This mineral's metallic luster and pale brass yellow hue give it a superficial resemblance to gold, hence the well known nickname of "Fool's Gold."