Freeform Montana Moss Agate slab trimmed and polished. Demonstrating the layer formation from outside in with silica colored with iron oxide (orange) and manganese (black). Central hole started filling with crystal and then completed with silica. Sterling silver bail, enhancer, wavy festoon and chain. Sterling silver post earrings. Shipped with 20-inch chain unless otherwise requested. Chains available in 16-inch to 28-inch lengths.