Spinosaurus Tooth - SOLD 2.435" Natural Wear Fossil rockinaboxsauropod The specimen is contained inside

The specimen is contained inside an acrylic specimen jar

The full bracelet measures 7" in length though it will stretch a bit further

In the case of quartz and beryls

this half-life is about a billion times longer than the current age of the universe

52" Ordovician Ophiurida Brittle Star

Spinosaurus Tooth - SOLD 2.435" Natural Wear Fossil rockinaboxsauropod The specimen is contained insideTopping out at just over 18m long (59ft), Spinosaurus is one of the largest carnivorous dinosaurs ever discovered. This family of giant theropods also happens to be among the most surprising creatures in the fossil record. This specimen is a naturally worn, fossilized crown and partial root of a real Spinosaurus tooth from the Kem Kem fossil beds of Morocco. It measures 2. 435" in length.