Blue Garnet : Properties, Formation, Locations - Geology Science
2024年7月1日 · Blue garnet is a rare and extraordinary variety of garnet that exhibits a remarkable color change phenomenon. This unique gemstone can display different hues depending on the lighting conditions, typically shifting between blue-green under daylight or fluorescent light to purplish-red under incandescent light.
Blue Garnet - Gem Adventurer™
Blue Garnet are uniquely beautiful teal (blue-green) gemstones recently unearthed in Tanzania’s famous Umba River Valley. Only reported in 2017, Blue Garnet is a rare and unusual sub-variety of an already rare Garnet, Color Change Umbalite, and despite its beauty, will always have an inadequate supply, making Blue Garnet highly collectable ...
The Worth of Blue Garnets: Everything You Need To Know
2023年10月16日 · Among these, the blue garnet stands as an intriguing marvel, known for its rarity and its captivating color-changing properties. In this comprehensive article, we delve into the mystique surrounding blue garnets, exploring their origins, the science behind their color change, the factors influencing their worth, and their place in the realm of ...
Garnet - Wikipedia
Garnet species are found in every colour, with reddish shades most common. Blue garnets are the rarest and were first reported in the 1990s. [7] [8] [9] [10] Garnet species' light transmission properties can range from the gemstone-quality transparent specimens to the opaque varieties used for industrial purposes as abrasives.
ø Blue Garnet | The Gemstone List ø
Blue garnet is a pyrope-spessartine garnet renowned for its color-change, which is very like that of alexandrite - the stone will appear purple under incandescent light, whereas in daylight it is blue to blue-green-grey.
Blue Garnet - Kate Valerio
CHOOSING THE RIGHT BLUE GARNET. Like all other gemstones, the 4 C’s—Color, Cut, Clarity and Carat—govern the price and value of a Blue Garnet. Color: Blue Garnets can come in pure blue colors, which is rare and expensive, but they are often grayish blue or even greenish blue. Weak color-change may affect its price too.
10 Rarest Blue Stones for Jewelry - Gem Faerie
2023年9月21日 · #1 Rarest of Blue Stones: Garnet. Blue garnet is a rare and unusual variety of an already rare garnet, the color-change umbalite. What sets blue garnet apart is its remarkable color-changing property. The color of this gem ranges from blue to blue-green gray in daylight, and changes to pink or purple under incandescent light.
Blue-Green Pyrope-Spessartine Garnet with High Vanadium
2016年2月1日 · A unique type of blue-green garnet has entered the market through New Era Gems (Grass Valley, California). The garnets reportedly come from a deposit near the border of Tanzania and Kenya. GIA’s Carlsbad laboratory obtained a small parcel of blue-green rough material and two faceted stones (figure 1, left) for examination.
Blue Garnet – ICIA
2022年2月22日 · Blue garnet is a rare and extraordinary variety of garnet that exhibits a remarkable color change phenomenon. This unique gemstone can display different hues depending on the lighting conditions, typically shifting between blue-green under daylight or fluorescent light to purplish-red under incandescent light.
Garnet Gem Guide and Properties Chart - Gemstones.com
This Garnet gemstone guide lists qualities of the Garnet gem type, including stone colors, common names, meanings, gemstone hardness and more.