What Is Zircon Gemstone | Zircon Stone – GIA
Zircon is a colorful gem with high refraction and fire that’s unfairly confused with cubic zirconia. Well known for its flashes of multicolored light.
Zircon Quality Factors - GIA
Red and green zircons have market value as collectors’ stones, and cat’s-eye zircons occasionally appear on the market. There are also colorless zircons. Zircon can display earthy …
What Is Zircon Gemstone | Zircon Stone – GIA
Low zircon’s crystal structure has been altered by thousands of years of irradiation from its own trace elements. It’s typically dark green. High zircon’s gemological properties are higher, so …
Zircon - Gemological Institute of America
You can find many colors of zircon—blue, green, brown, yellow, orange, and red. The colorless zircon is one of the most brilliant non-diamond gems!
Zircon with Unusual Color-Change Behavior - GIA
2019年5月15日 · The zircon’s color was green using a standard white light fluorescent illuminant with a color temperature of 5500 K (figure 1). Figure 2. The color of the 4.60 ct zircon is shown …
GIA Gem Encyclopedia | Complete List Of Gemstones
Gem Encyclopedia is a virtual journey through the science and lore of Gemstones from across the globe. Each Gem page features Gemological Information, a Buyer’s guide, photos, videos & …
Zircon Description - GIA
Zircon occurs in an array of colors. Its wide and varied palette of yellow, green, red, reddish brown, and blue hues makes it a favorite among collectors as well as informed consumers. …
Zircon History and Lore - GIA
Discover the meaning and history of zircon, a December birthstone, and where it can be found.
Zircon Care and Cleaning Guide - GIA
Zircon is commonly heat-treated to produce blue and colorless varieties. As with any transparent gemstone, zircon can be fracture-filled to improve apparent clarity, but this treatment is rarely …
How do I tell what type an individual zircon is? - GIA
Low zircon’s crystal structure has been altered by thousands of years of irradiation from its own trace elements. It’s typically dark green. High zircon’s gemological properties are higher, so …