Mixed Dark Lepidocrocite 8mm Large Hole Round - 8 Inch 6-8X10-12mm depositing copper and other elements

depositing copper and other elements that gradually develop into turquoise

Agate is one of many varieties of banded Chalcedony

However in some regions

and those that still exist today have been passed down for generations

It is a very soft stone typically found near copper deposits

Mixed Dark Lepidocrocite 8mm Large Hole Round - 8 Inch 6-8X10-12mm depositing copper and other elementsAn iron oxide hydroxide mineral, Lepidocrocite forms when iron containing substances rust underwater. It is commonly found in the weathering of primary iron minerals and in iron ore deposits, and can be red to reddish brown. When skillfully cut and polished, those substances add a delicate accent to the otherwise clear gemstone.