Mined in Mozambique, these are Dendrite Opal Free Form Nugget beads with faceting. Dendrite Opal is a milky white opal with dark, mossy, tree like inclusions of Manganese. These unusual free form nugget Opal beads have an average measurement of 12mm, and sparkly faceting on the sides. The color pallet includes white, black, grey, and brown. Each nugget bead is a unique piece of mother nature's art. Dendrite Opal is said to have the power to attract love and bring luck to the wearer. Who couldn't use a little of that.