Triple Ophiuroidea Brittle Star | Morocco Necklace Sabalites powellii

Sabalites powellii

Such stones are known as banded agate

The use of flint to make stone tools dates back millions of years

Stunning Fluorescent Wyoming Youngite Agate Guernsey

Late Pleistocene epoch

Triple Ophiuroidea Brittle Star | Morocco Necklace Sabalites powelliiOphiuroidea Brittle Star Late Ordovician El Kaid Errami Valley Tafilalt, Morocco Specimen approx. size: 1. 5" x 1", 1" x 1", & 1" x 0. 5" Matrix approx. size: 5. 75" x 3. 25" x 1. 125" Members of the class Ophiuroidea, commonly known as brittle stars, are echinoderms distinguished by a small central disc and five slender, flexible arms clearly separated from the disc. Their skeleton is composed of articulated calcite plates (ossicles), often found