opal

Chart showing a mix of modern and traditional birthstones by month. The Origin of Birthstones The idea of a birthstone, a gemstone that corresponds…

The polariscope is one of gemology’s simplest and most useful tools. With a little practice and our three-part polariscope guide, you’ll…

An assembled gemstone is constructed from two or more combined materials. Gemstone doublets and triplets, intarsias, and rhinestones are all…

June 2, 2023 Photo Credit: Olena Rybnikova GemGenève is an international gem and jewelry show that takes place in Geneva, Switzerland, a picturesque…

RoseGemShop specializes in Oregon Sunstone and Oregon Fire Opal, but also sources gemstones from around the world. We offer rough and faceted…

Of all the types of jewelry that you can wear, some argue that custom made pendants have the most potential to embody meaningful sentiments expressed…

March 3, 2023 The pandemic changed a lot of things in the world. One effect was the interruption of supply chains of many types of raw materials, and…

The anniversary gift for year 1 is gold, and the anniversary gift for year 2 is garnet. Our chart tells you the best gemstone anniversary gifts by…

A type of glass, opalite makes a particularly convincing moonstone simulant. (Don’t confuse it with opaline, an opal-like silica found in bamboo…