1.1" Rough Green Prehnite Crystal Mineral Specimen Location Imilchil, Morocco Turtle and ostracods)

and ostracods)

The Niobrara Formation is subdivided into two members: the Fort Hays Limestone Member and the Smoky Hill Chalk Member

stretching up to 60 feet with massive 6-foot skulls

A carnivore

1.1" Rough Green Prehnite Crystal Mineral Specimen Location Imilchil, Morocco Turtle and ostracods)Location: Imilchil, Morocco Weight: 1. 3 Ounces Dimensions: 1. 1 Inches Long, 0. 9 Inches Wide, 0. 7 Inches Thick The item pictured is the one you will receive. Prehnite is a pale green mineral that varies from translucent to transparent and belongs to the phyllosilicate group. First identified in 1788 and named after Dutch Colonel Hendrik von Prehn, it is commonly found alongside minerals such as calcite and epidote in basaltic rock formations. This