representing the zenith of their anatomical development before their Eocene extinction
About 50 million years ago
Variations in iron content can affect the intensity and hue of its color
Metasequoia was once widespread across the Northern Hemisphere and is well documented in the fossil record
complete with a certificate of authenticity
1.8" Natural Polished Red Silk Banded Agate Chalcedony Mineral Specimen Zarafasaura representing the zenith of theirLocation: Madagascar Weight: 1. 7 Ounces Dimensions: 1. 8 Inches Long, 1. 1 Inches Wide, 1 Inch Thick The item pictured is the one you will receive. Agate, a captivating variety of banded Chalcedony from the Quartz family, owes its name to the Achates River in Sicily, its source. With striking layers and stripes, this mineral can showcase unique "eye" patterns, colorful specks, fossilized inclusions, or even solid hues. Often called the Earths