where the stones are thought to have been originally found
and it constitutes a major portion of many of the earth's rocks
a phenomenon that occurs when light hits the chips of silica inside the gemstone and a rainbow of different colors refract inside the stone
a meteorite builds up heat that is then released into the terrestrial rocks with which it collides
Orthoceras was an ancient mollusk that lived over 370 million years ago
Blue Lace Agate 4mm Round A Grade - 15-16 Inch Faceted Oval where the stones are thoughtBlue Lace Agate is a naturally occuring soft blue agate, laced with bands or swirls of brighter blue, periwinkle, white and occasionally gray or brown. It is one of the most rare and sought after forms of Agate. Agate is one of many varieties of banded Chalcedony, prized throughout history for its beautiful colors and patterns. It has been discovered with artifacts from cultures of the Neolithic Period, also known as the Stone Age, occuring 10,000