Mixed Dark Lepidocrocite 5x8mm Large Hole Faceted Rondelle - 8 Inch Copper Connection Hackmanite is very reactive under

Hackmanite is very reactive under UV light

Trolleite is an extremely rare aluminum phosphate mineral that crystallizes in the form of masses and small prismatic crystals

Calcite is the one of the most common minerals

Its color is due to the presence of Manganese and Iron in the stone

created when silica hardens within the fissures of other stones

Mixed Dark Lepidocrocite 5x8mm Large Hole Faceted Rondelle - 8 Inch Copper Connection Hackmanite is very reactive underAn 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.