Your guide to opal gemstones and jewelry.
Body tone, brightness, pattern and play-of-colour explained in plain terms, so beginners can describe, compare and choose an opal with confidence.
Ethiopian and Australian opals differ in origin, appearance, durability, care and cost. Here's how to tell them apart and choose the right stone...
Doublet opals are thin slices of natural opal bonded to a dark backing. Here's how they're made, how they differ from solid and triplet stones,...
