Stonehenge Bluestone Quarry Slab morecoolthings This would have made them

This would have made them a prime source of food for sauropod dinosaurs

due to the delicate nature of the material

you can change the angle of refraction and unlock new and incredible colors within the labradorite

(Source Department of Defense image DF-SC-84-01865)

Boxed Megalodon Tooth Sizing:

Stonehenge Bluestone Quarry Slab morecoolthings This would have made themThis specimen is a custom cut mini slab of bluestone recovered downstream from the quarry at Craig Rhos y Felin located on the northern flank of the Preseli Mountains near Pembrokeshire, Wales. Recent petrographic studies have closely linked chippings from these dolerite bluestones to the bluestones installed at Stonehenge roughly 4,500 years ago. Each mini slab is unique and varies in size and shape. As pictured, the slab is housed in a small acrylic