TN0049 : 1.58ct Violet Blue Tanzanite – 8mm

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Based on 310 Reviews

Loose Tanzanite Gemstone Certified Tanzanite

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Gem Type Natural Tanzanite
Piece(s) 1
Weight (ct) 1.58
Shape
Treatment Heated
Clarity
Size (mm) 7.94 x 7.84 x 4.27
Origin Africa
Lab / AAA+
Cert no. :
Type Natural Tanzanite
Piece(s) 1
Weight (ct) 1.58
Shape
Treatment Heated
Clarity
Size (mm) 7.94 x 7.84 x 4.27
Origin Africa
Lab / AAA+
Cert no. :

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TN0049 : 1.58ct Violet Blue Tanzanite – 8mm

All our items are 100% Natural Gemstones – no lab or synthetic.

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PRODUCT SHOWCASE

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Color Scheme


This color scheme is generated by the system using the colors from the product image.

*For Reference only

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TN0049 Gemstone Color Scheme

CLARITY UNDERSTANDING


Gemstone clarity scale

Internally Flawless (IF) Clarity: They are loupe clean and free of inclusions

Gemstone Shape


Gemstone Shape Chart

This is the geometric shape for the gemstone. Some shapes has variations due to dimension.

GEMSTONE CUT TYPE


Gemstone Cut

Cut to perfection to maintain high quality products in our inventory.

Transparent Pricing


Our Gemstones are cut & polishd by the same craftsman who make gemstones luxury brands, but sold at a fraction of the price.

We avoid traditional 10x mark-ups by being 100% transparent in our pricing and offer mine-to-market business model.

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$257

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$599

ESTIMATE RETAIL PRICE

TN0049 : 1.58ct Violet Blue Tanzanite – 8mm
TN0049 : 1.58ct Violet Blue Tanzanite – 8mm
TN0049 : 1.58ct Violet Blue Tanzanite – 8mm
TN0049 : 1.58ct Violet Blue Tanzanite – 8mm

United States

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InternationaL

  • Free Standard Shipping on orders below 500$ (Estimate Delivery : 7-30 days)
  • Free Express shipping on orders over $500 (Estimate Delivery : 3-7 days)
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TRADE NAME
Tanzanite Stone
Mineral : Zoisite
Mohs Hardness : 6.5
Refractive Index : 1.69 – 1.70
Specific Gravity : 3.10 – 3.38

VALUE


Tanzanite Stone has seen a rapid increase in popularity in the last few years. Its mineral name is Zoisite and is naturally reddish brown in color, it is through heat treatment that it achieves its beautiful blue to violet color.


INFORMATION


Tanzanite was discovered in 1967, at the foot of Mt. Kilimanjaro in Tanzania (which gave the stone its name). Tanzanite is a pleochroic gemstone, meaning it can appear to have different colors under different light. In natural light, the stone resembles Sapphire in color, however in fluorescent light, it is closer to Amethyst in color. They are naturally trichroic, meaning the show blue, red-violet and yellow-green colors depending on the light on its three crystal axes.

The blue to violet color is their most coveted property. It is rare to find a naturally blue stone in the rough, so most achieve their color through heat treatments. The stone is heated to 500-600 degrees Celsius for about half an hour.


Charecteristics : Zoisite Variety


Tanzanite is the most prized Zoisite, but not the only one. Here are some others worth mentioning:

  • Zoisite - Only blue to violet Zoisites are considered Tanzanite Stone. You can also find transparent zoisite and in a range of colors, like pink, yellow and brown.
  • Thulite - Thulite is the national gemstone for Norway. It is pink in color and translucent to opaque in clarity. They make excellent cabochons and faceted pieces are rare. Other names for this gemstone are Unionite and Rosaline.
  • Anyolite - Anyolite is a lapidary rock containing chrome-rich green zoisite, black Hornblende and some large but opaque Ruby. Expert cutters turn the stone into cabochons and carvings. It is also known as Ruby-in-Zoisite.
  • Synthetics - There are currently no known synthetic Tanzanite. However, simulants and imitations are known to exist.

Enhancements

It is safe to assume that all rich blue Tanzanite have been submitted to a stable heat treatment.


SOURCE


  • Tanzanite - As the name suggests, the sole source for Tanzanite is Tanzania. More specifically in the Merelani Hills, situated in the Lelatema Mountains.
  • Anyolite - Deep green crystals, colored by chromium and with Ruby crystals are found in Longido, Tanzania.
  • Thulite - United States: California; Nevada; North Carolina; Washington. Canada; Greenland; Japan; Norway.

CARE


Tanzanite Stone hardness rages from 6 to 7 on the Mohs scale. However, it has a tendency to cleave and is rather brittle, which is not ideal for daily wear. Tanzanite are best used in occasional pieces or behind protective settings. They should be cleaned with a soft brush, mild detergent, and warm water.

Stone Sizes & collectibles

  • Rough Tanzanite gemstone have been found weighing hundreds of carats and reaches the largest size of all Zoisite in faceted gems.
  • Smithsonian Institution (Washington, DC) houses a 122.7-carat blue Tanzanite and an 18.2-carat blue cat’s eye Tanzanite.
  • A private collector owns a 220-carat Tanzanite.

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Syed Ahamed Syed Hussainth

Very very nice service, pleasant transaction.

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Excellent service, as always.

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3 days ago
Anonymous

excellent cut, colour, excellent service

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4 days ago
Edgardous

On time fully met expectations of quality

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5 days ago
Anonymous

It’s my first online gemstone purchase so I was full of confusions and questions regarding the stone quality, pricing, process, and shipping that were answered with much patience. I made many changes along the way and Suhail was very patient with all my mind shifts and requests. Another surprise was quickest delivery and the parcel containing beyond expected elegant product which was a sublime experience.

I have already started recommending them to my friends and relatives because I honestly feel lucky to find people who are doing such a great job online. From the beginning to the end 5 star experience.

Thank you Suhail for the wonderful experience.

Mrs. Khan

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5 days ago
Danielau

Always fast delivery and great service from Ashik. I’m a repeat buyer

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6 days ago
Asher Harbeckau

Great service and we appreciate you showing these to us. They arrived so quickly.

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6 days ago
Asherau

Great service and really helpful with suggesting new products that suit our requirements. Easy online transaction and fast safe delivery everytime.

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6 days ago
Asher H.au

Easy to use website and the stone was delivered faster than I could write this review.

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