Turquoise Gemstone | Turquoise Stone - GIA
Turquoise is an opaque colored stone that can be marketed both as a gem for jewelry & is found in only dry & barren regions on earth.
Turquoise Quality Factors | Different Types & Colors of Turquoise
Typically, turquoise is judged on three basic quality factors: color, texture and the presence or absence of matrix. Learn more about turquoise and what makes this gem so sought after!
Turquoise History and Lore - GIA
Turquoise is the national gem of Tibet, and has long been considered a stone that guarantees health, good fortune, and protection from evil. The gem’s name comes from the French expression pierre tourques, or “Turkish stone.”
Turquoise Description - GIA
Turquoise might lack the sparkle and clarity of transparent colored gemstones like ruby, emerald, and sapphire, but its multi-layered history and soul-satisfying color make it a desirable gem. Its color can range from dull greens to grass greens to a bright, medium-toned, sky blue.
Persian Turquoise: The Ancient Treasure of Neyshabur
2021年7月9日 · Turquoise is an opaque, blue to green gem material that has been worn, used, and appreciated by different civilizations for thousands of years. Originally called piruzeh in Persian, the gem has spiritual value in Persian culture is such that its name carries the meanings of victory, triumph, and prosperity.
Turquoise - Gemological Institute of America
Turquoise is a colored stone found only in places that are dry and barren. People like its color and its rich history. The colors of this stone range from different shades of green to a bright sky blue called “robin’s-egg” blue. In the U.S., it is famous for its jewelry made by Native Americans.
GIA Gem Encyclopedia | Complete List Of Gemstones
GIA’s Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe. Each precious stone page features additional detailed gemological information, a buyer’s guide, photos, videos & research.
Tanzanite, Turquoise, Zircon Birthstones - GIA
Turquoise, tanzanite and zircon – you can choose from so many shades of blue when you’re born in December. You’ll also be able to pick gems that are bright red, yellow, green, purple and brown. Have fun looking for the perfect December birthstone that reflects your personality.
Technical Evolution and Identification of Resin-Filled Turquoise - GIA
2012年10月24日 · Turquoise, a hydrated copper aluminum phosphate mineral (CuAl 6 (PO 4) 4 (OH) 8 •4H 2 O), has been appreciated as a valuable gem material worldwide for thousands of years. It has a wide range of colors, such as blue, blue-green, green, yellowish green, and greenish yellow.
Unique Raindrop Pattern of Turquoise from Hubei, China
2012年10月24日 · “Raindrop” turquoise is a recently recognized and characterized pattern with a saturated coloration resembling raindrops. This material is very rare but popular in the Chinese gem trade.