Sardonyx natural tumbled stones that measure between 37 to 40mm. Usually four stones comprise a quarter pound.
Sardonyx has a strong Mars energy. Sardonyx stones are great for start-ups, needed confrontations, clear-sighted vision, inspiring followers, improving vision, taking the lead, winning competitive sports, bold moves, inciting action, courageous strategy, and attracting these qualities to yourself in the forms of opportunities and men.