Black on Black Obsidian Gemstone DiceBlack on Black Obsidian Gemstone Dice is a 7 piece tabletop dice set made from genuine obsidian stone with a dark, uniform black finish. Each die features natural stone variation in texture and sheen, giving the set a consistent, solid appearance suited for tabletop gaming and display. Designed for use in tabletop roleplaying and strategy games. Contains: 1 20 sided dice, 1 12 sided dice, 2 ten sided dice (1 percentile dice), 1 8 sided dice, 1 6 sided