Not everyone wants the drama of a black opal, and they should not feel they have to. Some of the most beautiful opals I set are the lighter ones: white and crystal opal, the bright, airy stones most people picture when they hear the word “opal.” After fifty years I still think a fine crystal opal, lit up with color, is one of the loveliest things in the case. Here is how white and crystal opal differ, and who each suits.
Crystal opal: color that floats
Crystal opal is transparent to translucent, which means you can see into it. The play-of-color seems to hang in the depth of the stone rather than sit on the surface, and against light coming through it the effect can be magical. A top crystal opal with bright, broad color is genuinely valuable, because clarity plus vivid color is not common. For the wider family, see my guide to understanding opal.
White opal: the classic
White opal, sometimes called light or milky opal, has a pale, cloudy body. It is the traditional image of opal and the most widely available. The soft body gives a gentler, more pastel play-of-color than you get against a dark background, which many people find pretty and easy to wear. It is also usually the most affordable opal, which makes it a lovely first opal.
How they differ, simply
The difference is transparency. Crystal opal is clear enough to see into; white opal is milky and opaque. Both have a light body tone, which is what separates them from black opal, where a dark body makes the same colors look far more intense. Neither is better in the abstract. It is about the look you want: airy and luminous, or soft and classic.
Prefer a brighter, lighter opal? Browse the opal rings in my collection, or ask me about a custom piece in crystal or white opal.
Where they come from
Coober Pedy in South Australia is the great source of white and light opal, and much of the classic white opal you will see comes from there. Crystal opal turns up across the Australian fields and also from Ethiopia, where a lot of the bright Welo material is crystal in character. The difference in handling between Australian and Ethiopian stones is worth knowing, and I cover it in Ethiopian vs Australian opal.
What they are worth
As a rule, lighter opals sit below black opal in price because the pale body mutes the color a little. But do not read “white” as “cheap”: a crystal opal with clarity and bright, red-bearing color can command serious money. Brightness and the amount of red still drive value, just as they do across all opal. I walk through it in how much is opal worth.
Caring for white and crystal opal
The usual opal care applies: around 5.5 to 6.5 on the Mohs scale, so warm soapy water and a soft cloth, no ultrasonic cleaner, steamer or long soak, and off for anything rough. See caring for opal jewelry for the details.
Frequently asked questions
What is the difference between crystal and white opal? Transparency. Crystal opal is see-through, so color appears to float inside it; white opal has a milky, opaque body and a softer, pastel play-of-color.
Is white opal valuable? It is usually more affordable than black opal, but a bright crystal or white opal with strong color, especially red, can still be valuable. Brightness and color matter more than the label.
Is white opal a good first opal? Yes. It is widely available, gentle to look at and easier on the budget, which makes it a lovely way to start.
If a light opal is what you are after, I would be glad to help. Browse the current opal rings, or talk to me about a custom piece built around a stone you love.
