4.7" Rough Green Prehnite Crystal Mineral Specimen Location Imilchil, Morocco Spinosaurus Tooth and appearing in colors from

and appearing in colors from red and green to blue

This fossil jaw section offers a remarkable glimpse into a dominant predator of a lost world

reproductive strategy

These variations help scientists better understand the ecological niches Elephant Birds occupied and how they interacted with the diverse environments of ancient Madagascar

with minimal bacterial activity and scavenging enabling the accumulation of finely laminated limestone strata

4.7" Rough Green Prehnite Crystal Mineral Specimen Location Imilchil, Morocco Spinosaurus Tooth and appearing in colors fromLocation: Imilchil, Morocco Weight: 1 Pound 10. 4 Ounces Dimensions: 4. 7 Inches Long, 3. 4 Inches Wide, 2. 3 Inches Thick The item pictured is the one you will receive. Prehnite is a translucent to transparent pale green mineral of the phyllosilicate group, first described in 1788 and named after Dutch military officer Colonel Hendrik von Prehn. Frequently found in association with calcite and epidote, prehnite is most commonly encountered in