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.
Yet zircon is not well known by the general public, who are apt to confuse it with cubic zirconia, a synthetic diamond simulant. Zircon is a natural mineral called zirconium silicate that is found in a range of colors, including white, blue, yellow, orange, brown, rose and green.Blue Zircon Octagon-Scissor Cut. Blue zircon, the most popular color, is produced by heat treatment of brown zircon.et zircon is not well known by the general public, who are apt to confuse it with cubic zirconia, a synthetic diamond simulant. Zircon is a natural mineral called zirconium silicate that is found in a range of colors, including white, blue, yellow, orange, brown, rose and green.