Rockhound Mini Museum Mystery Box - Series #1 - Gems and Minerals apparel Although many of its missions

Although many of its missions remain classified

Crinoids emerged in the fossil record over 541

the Lance Formation is one of the most productive locations for Late Cretaceous Period fossils all the way up to the end of the Cretaceous

They are all highly polished

Rockhound Mini Museum Mystery Box - Series #1 - Gems and Minerals apparel Although many of its missionsFour awesome collector's items in every mystery set see what you unbox! A mystery blind box of authentic and amazing geology specimens! Each Rockhound Mystery Box includes four geologic items, including a fragment of the Jack Hills Formation and a selection from the following: Sideritic "Coprolite" Amethyst Crystal Hydrothermal Vents Pin Shining Syenite UV Glow Rock Fulgurite Bismuth Crystal Hematite Tranquillityite It's the perfect gift for anyone