Black Obsidian Crystal Bracelet Bead Size:6mm a long-standing practice

a long-standing practice

the property that keeps time in a quartz watch

indifferent to daylight

razor-edged fractures called conchoidal

aromatic wood

Black Obsidian Crystal Bracelet Bead Size:6mm a long-standing practiceObsidian 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