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.
From a chemical point of view zircon is zirconium silicate. Gem name comes from the Persian word zargun. Translated from the Persian zar meaning is gold, and gun meaning is color.Consequently, zircon in that language means gold color gem. In addition to the most beautiful golden-yellow and red zircon gems found brown, yellowish-green and sky-blue stones.rom a chemical point of view zircon is zirconium silicate. Gem name comes from the Persian word zargun. Translated from the Persian zar meaning is gold, and gun meaning is color.