Gemstone opal ring collectors appreciate the beauty found in precious opal rings. Few gems compete with the opal in terms of its various colors and its ability to absorb many colors, which seem to change every second. Opal is truly a rainbow stone.
Most of the opals originated in Australia and were developed as our planet Earth was relatively small, millions of years ago. As continents change and water floods the earth's surface, these waters contain silica that seeps into the cracks in the sedimentary rocks. In time, silica became like a gel and opals formed from this gel mixture into a rock base. The variety of colors that make opals so special is a result of the silica spheres being arranged inside rocks.
Opal can be black or light and may be transparent or light. Opals are highly valued by black opals, they are rare and of great value. These expensive stones can range from gray to black. Usually the opals we find in rings and other jewelry look like rainbow-colored milk in the middle of a stone. Between the two are fire opals. Fire opals are very orange to orange with their basic color and strong rainbow hues.
When it comes to choosing opal rings, the wise buyer will take the time to do research online and learn more about the many options available. Your personal preferences and pocketbook will lead you to the rainbow stone of your dreams.
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