Buying an opal is like purchasing a piece of a rainbow. Unlike traditional faceted gems, opals are valued for their —a shimmering, multi-coloured fire caused by light diffracting off microscopic silica spheres. 1. Know the Primary Types
: The rarest and most expensive. Its dark body tone makes the vibrant colour flashes "pop" more intensely. buy opal stone
: Found in ironstone boulders; the opal is often left attached to its dark host rock, giving it a natural, rugged look and high durability. Buying an opal is like purchasing a piece of a rainbow
: This is the #1 value driver. Look for vivid, multi-coloured flashes (especially red, which is the rarest) that are visible from all angles. Know the Primary Types : The rarest and most expensive
: The most common and affordable. It has a pale or white body tone with softer, pastel-coloured flashes.
: Graded from N1 (black) to N9 (white). Generally, the darker the base, the more valuable the stone.