Search Results

Fine Jewelry University

1. 

   Gem in the Spotlight: Opal

   FJU Category: Gemstones | Tags: Folklore, Gem Spotlight, Gemology, Opal

   … best, wiping it clean with a soft cloth is recommended. Avoid the use of home ultrasonic machines or abrasive jewelry cleaners that could potentially damage the stone’s surface. For more valuable stones, setting them in a pendant or earrings instead of a ring will help them last as long as possible. With proper care opals can last for generations. Opals have very high water content, typically hovering around the 5-10% mark. As opals dry out over time they can sometimes …