🟣Tanzanite belongs to the chlorite group, and is one of the variants of zoisite, a calcium-aluminum silicate mineral containing light radicals and oxygen, with distinctive tricolor properties. In honor of the then newly established Republic of Tanzania, it was named after the country of production. It is also known as “tansangshi” in Chinese because the color of this “tanzanite” resembles the Tanzanian twilight sky, and is also known as “moon spring stone”. It is often heated to remove other colors and retain the blue-violet color.
🔹Gemstone Group: Chrysoberyl Chemistry
🔹Composition: GazA1:[Siz0;][Si0J0(0H)
🔹Crystal system: rhombohedral
🔹Color: Strong tricolor, purple, blue, green, brown, etc.
🔹Transparency: transparent to translucent
🔹Luster: glassy
🔹Refractive index: 1.69-1.70
🔹Hardness:6.5-7
🔹Specific gravity:3.10-3.36
🔹Origin:Tanzania

✨The string of Heart of the Ocean blue gemstones of the heroine of the movie Titanic is Tanzanite Tanzanite was first discovered in Tanzania and was named in honor of its origin. Tanzanite source symbolizes love and eternity, and is the birthstone of December, representing unique love.

🌈Color
🟣Tanzanite is polychromatic in color, usually is blue and purple. High quality tanzanite is highly chromatic deep blue, blue-violet, and deep purple. Lighter colors and softer tones are produced in large quantities and are less expensive.
🔷V=Violet (Purple) B=Blue (Blue)
🔷Capital B, V stands for the main color, vB (violetish Blue) is the main color of blue, bV (bluish Violet) is the main color of purple, the most attractive is its rich, slightly violet tinted blue. On the market, blue tones are generally slightly more expensive than purple tones, but regardless of whether it is purple or blue tones, the more intense and brighter the color, the higher the value.

✅Clarity
🟣SI grade: small amount of flaws visible to the naked eye, which have little effect on the appearance.
🟣VS grade: difficult to see flaws with the naked eye, a few inclusions or defects visible under 10x magnification.
🟣VVS grade: visually flawless or nearly flawless, no surface defects, very few inclusions or defects visible under 10x magnification.
🟣Tanzanite clarity relative to other gemstones is said to be relatively clean, clarity on the value of tanzanite has a very big impact, so choose to try to eye clean, consider the appreciation of space if you choose the full net.

✅Tanzanite Cut
🟣Cut grading is similar to diamond, based on the polished quality of the stone, symmetry, ideal cut ratio, profile, etc.Cut plays an important role in the color of tanzanite. Due to the polychromatic nature of tanzanite, different colors will appear when viewed from different directions of the crystal. The direction of the cut determines the overall front color of the stone. The frontal color determines the final price of the stone.

✅Grading
🟣Tanzanite is categorized according to the level of saturation:Exceptional Plus(E+)、Exceptional(E)、Vivid (V)、Intense (I)、Moderate (M)、Light(L)、Pale(P)

🟣Depending on the level of clarity, they can be categorized as:Eye-Clean (EC)、Slightly Included(Sl)、Moderately Included(MI)、Heavily Included(HI)

🟣Depending on the quality of the cut, they can be categorized as:Excellent、Very Good、Good、Fair.

🟣Internationally, tanzanite quality is categorized from high to low:SD, D, 4A, 3A, 2A, A.

✅Size
🟣Tanzanite is not like other gemstones, carat premium is not high, choose the right size for you, in terms of the size of the room for growth quality > weight.

✅ Origin of Tanzanite
🟣Until now, the world’s Tanzanite was born in this area of Tanzania, near the city of Arusha. Since its discovery in 1967, Tanzania has mined 2 million carats of Tanzanite.

✅Optimization of Tanzanite
🟣Common optimization treatments for Tanzanite include heat treatment and coating Treatment.

🟣Heat Treatment:Most naturally occurring Tanzanite will have a brownish tint. Heat treated Tanzanite is stable in color, with the greenish-yellow color in the polychromy weakened to show a purple/blue polychromy. Currently, heat-treated Tanzanite is generally accepted in the market.

🟣Coating Treatment: The main purpose of coating is to improve the color of Tanzanite, but this treatment does not last long, and daily wear will cause the coating to wear down to the point of peeling off.
🔷The main methods of identification after overlay treatment of Tanzanite include:

✅ How to Choose Tanzanite
🟣Color: The most attractive feature is its rich, slightly purple-tinted blue color;
🟣Clarity: Gem-quality tanzanite clarity ranges from flawless to clearly visible to the naked eye, the more flawless the more valuable.
🟣Cut: the better the cut, the more valuable it is if it retains its weight and still reflects the fire color;
🟣Weight: the larger the stone the rarer and more valuable it is.

✅Maintenance of Tanzanite
⚠ Avoid collision: take down Tanzanite jewelry in advance when exercising or doing housework to avoid damage caused by collision;
⚠ Keep away from acid and alkali preparations: Tanzanite jewelry should be removed when cleaning clothes, kitchen, swimming, and makeup in daily life to avoid damaging the luster of the Tanzanite surface;
⚠ Regular cleaning: you can gently brush with a soft brush dipped in water, dry with a soft cloth;
Ultrasonic cleaning is strictly prohibited!!
⚠ Regular maintenance: regularly check whether the Tanzanite inlay is loose or cracked when maintenance is needed, please be repaired by a professional jewelry technician.
⚠ Separate storage: When not to wear, please put it in the jewelry box alone.