Tanzanite Stone - Meanings, Types, and Care Guide
Tanzanite stones are blue to violet (light purple) gemstones which are members of the Zoisite Mineral Group. The name "Tanzanite" was given by Tiffany & Co who promoted this gemstone, so its rising popularity in the world of gemstones.
With a Pleochroic effect, Tanzanite stones can show different colors depending on the angle of observation. To get the preferred blue or purple-blue color, this gemstone must be cut to the right angle.
The clear and lit Tanzanite blue color can rival the Sapphire (Sapphire) color and it is so sought. Therefore, Tanzanite often goes through a heating treatment process to increase the blue and purple color as well as minimize or even eliminate the brown color that is less desirable.
Where is Tanzanite Found?
This Tanzanite mined only one place in the world: Tanzania, East Africa. The only known tanzanite mining is located on five square miles on the hilltop of Merelani Hills near Arusha, ten miles south of Kilimanjaro International Airport in Tanzania. It was first discovered in 1967 by Ali Juu Ya Watu from the Masai tribe.
Tanzanite stone colors range from sea blue to blue like Sapphire. Also, this stone can be light blue-purple. In addition, this stone may look more violet (light purple) under the beam of artificial light.
Furthermore, Tanzanite also has a Pleochroism or Pleochroic phenomenon which is the ability to show different colors in different directions of the crystal. It's mean is that the purple, gray, blue and violet color within the stone vary depending on the angle the stone is viewed from.
Tanzanite stones will have a higher color saturation on stones that weigh more than 5 carats. The most desirable color is an intense blues.
How to Identify Tanzanite
Tanzanite stones have a chemical formula (Ca2Al3 (SiO4) (Si2O7) O (OH)) + (Cr, Sr). The best way to identify it is to look at the refractive index of around 1.691 to 1,700. Also, the density or specific gravity reaching 3.35. The Orthorhombic crystalline system (having three unequal axes in the right corner) can also help distinguish it from some of the same gemstones, such as Amethyst (Purple Amethyst). Tanzanite has a perfect Cleavage with uneven cracks.
These stones usually go through a heating treatment process to increase the light blue and purple color. Most rough crystals show a color that is mostly brownish yellow, which disappears when heated at a temperature of 752-932 ° F (400-500 ° C). All leading gem traders will definitely declare the existence of this treatment process on these stones if they exist.
According to Cassandra Eason on her book The New Crystal Bible, Tanzanite is an excellent crystal for novices to the exploration of psychic powers, as it is very protective and allows the clairvoyant Brow Chakra to open gradually, preventing psychic impressions from becoming overwhelming. To open the Third Eye and psychic powers, circle a Tanzanite clockwise in the center of the brow, and counterclockwise to close it.
Meanwhile, according to a book which was entitled The Book of Stones written by Robert Simmons & Naisha Ahsian, Tanzanite aids in sharing spiritual information and knowledge from a heart-centered perspective. Making it an excellent crystal for counselors or others in the position of intellectually interpreting emotional experiences. It also benefits empathetic individuals who form interpretations of emotional information they receive intuitively.
Tanzanite Care Guide
The Tanzanite gemstone and its jewelry must be protected from hard impact, which can cause damage. Therefore, Tanzanite stones must be used in designs that protect these stones, such as with bezel settings, and are not continuously worn every day. Tanzanite gemstones and jewelry should not be exposed to extreme heat or sudden changes in temperature. Besides that, Tanzanite stones should not be exposed to acid.
Avoid using ultrasonic cleaners and steam cleaners. The best way to clean Tanzanite gemstones is to use soapy water and a soft cloth. Be sure to rinse thoroughly to remove any residual soap residue. Always remove jewelry before exercising, doing housework, or when doing other strenuous activities. Save Tanzanite jewelry apart from other gemstones to avoid friction and scratches. The best way to store it is to wrap it using a soft cloth or place it in a cloth-covered jewelry box.