Recognize the session layer of the OSI model ; List the seven layers of the OSI model ; Discuss the responsibilities, functions and protocols of the session layer ; Specify the six session layer protocols
Currently, the most popular color for this gem is the blue zircon. Most blue zircon, which is considered an alternate birthstone for December, is normally a pastel to medium blue in color, but some exceptional gems have a bright blue color. Beyond blue, Zircon is also available in green, deep red, yellow, brown, and orange.
Home Â» Learning Center Â» List of Gemstones by Name Â» Zircon Value, Price, and Jewelry Information Zircon Value, Price, and Jewelry Information Zircon: Sri Lanka (19.03, 17.43, 14.20, 9.26 // 4.36, 11.26, 15.70), Cambodia (5.56) // Sri Lanka (8.92, 16.63, 7.77, 5.34). Photo Â© Joel E. Arem, PhD, FGA. Used with permission. Zircon is an underrated but magnificent gemstone that has been worn and treasured since ancient times. Don't be confused by the name. Zircon is not the synthetic material known as cubic zirconia. It's a completely distinct, natural species. Coincidentally, zircon is the original diamond simulant.