Mixed Dark Lepidocrocite 8mm Large Hole Round - 8 Inch 6-8X10-12mm air bubbles or black carbon

air bubbles or black carbon deposits

However in some regions

This species is formally identified as Gliricidia sepium and can be found by different colloquial names in various parts of the world

Agate is one of many varieties of banded Chalcedony

Mixed Dark Lepidocrocite 8mm Large Hole Round - 8 Inch 6-8X10-12mm air bubbles or black carbonAn 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.