Black Obsidian Crystal Bracelet Amethyst the genuine stone known by

the genuine stone known by its weight and its red streak

It forms in the gas cavities of volcanic basalt

the fibres carrying a soft sheen that gathers around the curve

light striking them together returns as a moving sheet of gold

Black Obsidian Crystal Bracelet Amethyst the genuine stone known byObsidian a pure glassy black that holds light like still water, not a crystal but volcanic glass, lava cooled too fast. Edged sharper than steel when it breaks. From Mexico, strung on elastic cord. It has no crystal structure at all lava so rich in silica it froze before crystals could form. That is why it breaks in the curved, razor edged fractures called conchoidal, and why a thin edge glows translucent brown against the light. That edge made it the