Sauropod Hip Bone Sphere - Fossil Specimen pry bar Use it just like Tripoli

Use it just like Tripoli or rouge and charge a wheel with it

while the limonite replacement gives the piece its rich dark tones

Chemical Composition: (NiMg)6Si4O10(OH)8

The surface shows a natural range of preservation

Sauropod Hip Bone Sphere - Fossil Specimen pry bar Use it just like TripoliMined from: Maevarano Formation, Mahajanga Basin, Southern Madagascar Era: Late Cretaceous Geological Age: 6672 mya Description: This one of a kind Sauropod hip bone sphere from Southern Madagascar has a darker brown polished surface with subtle fossil bone cell structure visible throughout. The pattern is tighter and less contrast heavy than some dinosaur bone spheres, giving it a smoother, deeper look while still showing the natural internal texture