Women's pendant necklace with Brazilian Raw Black Obsidian, stainless steel cage crystal holder dainty necklace with replaceable crystal , you can insert in cage other crystal. adjustable chain length 60-65cm LARGE size stone approx 3,5*2,5cm MEDIUM stones approx 2,5*2cm if you need OTHER STONE SIZE or have any questions contact me. I'll gladly help you. All stones are unique and every pendant gonna be unique, like everyone in this world! obsidian pendant/ obsidian necklace /protection