1.7" Natural Polished Red Silk Banded Agate Chalcedony Mineral Specimen Glyptodon allowing millimeter-thick layers of alternating

allowing millimeter-thick layers of alternating limestone to form slowly

possibly including defense or manipulation of vegetation

Orthopyroxene may also occur in certain gabbro varieties

and the presence of additional pterygoid teeth enabled it to securely grip prey while advancing its jaw to ingest the target entirely

sea urchins

1.7" Natural Polished Red Silk Banded Agate Chalcedony Mineral Specimen Glyptodon allowing millimeter-thick layers of alternatingLocation: Madagascar Weight: 1. 7 Ounces Dimensions: 1. 7 Inches Long, 1. 5 Inches Wide, 0. 9 Inches 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