20083 - Nice 1.59 Inch Aragonite Twinned Crystal Cluster - Safro Mine, Bou Azzer, Morocco Crinoids It has small glued fracture
Yard notes & kiln story
Description
It has small glued fracture
• Paleocene of United States (Mississippi)
† Gruenewaldtia sp
This type of structure is only found in fossil excrements of piscivorous animals
Rooted incisor specimen
20083 - Nice 1.59 Inch Aragonite Twinned Crystal Cluster - Safro Mine, Bou Azzer, Morocco Crinoids It has small glued fractureAragonite is a carbonate mineral, one of the three most common naturally occurring crystal forms of calcium carbonate, CaCO3 (the other forms being the minerals calcite and vaterite). It is formed by biological and physical processes, including precipitation from marine and freshwater environments.