Understanding Opal: A Jeweler’s Guide to Types, Color and Value
A jeweler of 50 years explains what opal is, the main types (black, boulder, crystal, fire, Ethiopian, Australian), what sets the value, and how to choose.
Opals
Ethiopian vs Australian Opal: What’s the Difference?
Ethiopian vs Australian opal explained by a jeweler of 50 years: origin, fire, hardness, water sensitivity, price, and which one is right for you.