Search Results
Fine Jewelry University Articles matching: “Purple-stones”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University (Show All FJU Articles)
-
Gem in the Spotlight: Tsavorite Garnet
The discovery of Tsavorite in East Africa in the 1960s changed the jewelry world. Here was a gem with the color to rival the most exquisite emeralds and the clarity of the cleanest sapphires, all with the time tested durability of garnet. Tsavorite is a unique form of garnet with a stunningly vivid green color. It is bright and lively with a high refractive index giving it excellent sparkle and scintillation. Tsavorite is also a very rare gemstone. It is uncommon to find Tsavorite in sizes larger than five carats,
-
Gem in the Spotlight: Emerald
Emerald is a stunningly beautiful green stones in Beryl family. In this article we take a deep dive into the mythology, history, and science surrounding this incredible gem. You will learn about Nero's emerald sunglasses, Cleopatra's emerald collection, and the science of fracture filling gemstones. In the end, we can say that no jewelry collection is complete without a beautiful emerald.
-
Gem in the Spotlight: Alexandrite
Emerald by day, ruby by night, more expensive than diamond and more illustrious than sapphire, emerald, or even ruby, alexandrite has been known around the world as one of the most sought-after gems for the better part of 200 years. But, what makes this stone so special? Gemology of Alexandrite Alexandrite is the extremely rare, color-change variety of a gem species called Chrysoberyl. It appears bluish-green in daylight, fluorescent light, and some LED light. Under incandescent light, candle, and firelight, alexandrite appears purplish-red. This is because of how the trace
-
Gem in the Spotlight: Blue Zircon
Zircon may be last in the alphabet of gemstones, but it is first in sparkle. The crystal structure of zircon creates one of the liveliest displays found in any colored gem. In fact, before any of the manmade diamond simulates were made, the colorless version of zircon was used in jewelry to mimic diamond. Why? Natural zircon is known for its scintillation, brilliance, and flashes of color or fire just like diamond. Zircon also is known for its variety of colors. Blue zircon is the most popular color. But, zircon
-
Gem in the Spotlight: Tourmaline
Tourmaline is a beautiful gem that comes in a huge variety of colors (sometimes even within the same stone). This article teaches you all about the history, folklore, and gemology of tourmaline including varieties like rubellite, indicolite, paraíba, and more. You'll also learn about California tourmaline and the unique piezoelectric property that has made tourmaline as useful as it is beautiful.
-
Platinum
Platinum is one of the rarest and most durable precious metals. Platinum's rich, white luster enhances the brilliance and will maintain its shining luminosity forever, unlike other white metals which can, in time, turn yellow or tarnish. Platinum is rare, the coveted treasure of discerning individuals. Platinum is one of the strongest and most enduring metals. Some of the world's greatest treasures are set in platinum, such as the Hope Diamond.
-
The History of Diamond Cuts
The cutting of diamonds is an art and science that has evolved over centuries of innovation and human ingenuity. See the history of diamond shapes and diamond cutting as we trace them all the way from the ancient Roman point cut to the modern round brilliant. You can see real photos of actual examples of most of the diamond cuts and 3D CAD renders of the oldest and most obscure diamonds that we weren't able to find a great example of (please email us if you have good photos or examples of any of these diamonds).
