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How to buy an opal
Familiarize yourself with opals and their terminology.
Opals differ from other precious gemstones in their basic composition and how they are valued. These unique stones come in a wide range of colors and patterns, both of which can change, depending on the angle you view them from.
Since buying an opal can be a significant investment, learn as much as you can about them before you start shopping. This will ensure you make an informed decision and get what you pay for.