The fossil is embedded in a white travertine matrix and coated with a delicate film of calcium carbonate
They provide unique insights into Cambrian marine life
Epidote crystals typically display a vitreous luster and elongated structure
the most compelling suggests it served as a visual display
marking the first time they formed extensive reef systems
5.4" Polished Cut Agate Geode Crystal Quarts Chalcedony Mineral Specimen Dragon Stone The fossil is embedded inLocation: Brazil Weight: 3 Pounds 0. 1 Ounces Dimensions: 5. 4 Inches Long, 4. 4 Inches Wide, 2. 9 Inches Thick The item pictured is the one you will receive. Agate refers to a variety of banded Chalcedony, a mineral within the Quartz family, named after the Achates River in Sicily, where it was first discovered. Typically showing layered bands or stripes, some types feature eye patterns or colored spots, fossilized inclusions, or solid forms. Known