Silver Sheen Obsidian Palm Stones. These will be chosen intuitively for you as they are all roughly the same size.
Approximate dimensions are 5-5.5cm x 3-3.5cm approximately
Silver Sheen Obsidian is formed from rapidly cooled lava containing microscopic gas bubbles that align to create a metallic luster. It is believed to be very protective and grounding and helps to promote confidence.