Opal - 8-Inch

White African Opal is a white to cream to light tan stone with veining of black or gray. Like all Opals, it is a form of hydrated amorphous silica, however...

White African Opal is a white to cream to light tan stone with veining of black or gray. Like all Opals, it is a form of hydrated amorphous silica, however...

Blue Peruvian Opal naturally occurs with swirling patterns of deep blues, blue to greens and greens swirled with yellow to green, rust, brown and orange. It is highly prized for...

Black Moss Opal features dark moss to green dendritic inclusions that branch like tiny tree limbs through the stone, which is milky white, brown and black in color. Unlike other...