Also known as sandstone, goldstone is a man-made type of glittering glass that is formed under low-oxygen atmospheric conditions. The most common form of goldstone is reddish-brown, containing tiny crystals of metallic copper. Goldstone can be created in other color variants based on other elements. Cobalt or manganese can be substituted for copper to form blue and purple goldstone. Goldstone can also be found in a green variations.
These flat-backed cabochons are approximately 18 x 6 x14.5mm and are randomly selected.