Tanzanite Lot 7.22 ct | Various Shapes | Purplish Blue | Merelani Hills, Tanzania

SKU: TZA007 Category: Tag: Est. Retail Value: USD $200

Attractive Tanzanite lot with a total weight of 7.22 ct from Merelani Hills, Tanzania, featuring various shapes and a fine purplish blue color. A versatile selection of gemstones, ideal for custom jewelry projects, coordinated designs, or professional gemstone use.

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Description

This Tanzanite lot from Merelani Hills, Tanzania has a total weight of 7.22 ct and offers an appealing mix of various shapes in an attractive purplish blue color. Coming from the world’s only known Tanzanite source, this group combines the rarity of Merelani material with the practical versatility of a multi-stone lot, making it especially interesting for jewelers, designers, and buyers looking for creative possibilities beyond a single gemstone.

The stones display the elegant purplish blue character for which Tanzanite is so highly valued. This color balance combines the cool sophistication of blue with subtle violet undertones, giving the gems a lively and refined appearance. In a lot format, this harmonious color range is especially useful for jewelry projects that require several stones with a related overall look while still allowing for natural individuality.

The variety of shapes makes this lot particularly flexible in its use. Mixed-shape Tanzanite lots are well suited for bespoke jewelry concepts, coordinated ring and pendant combinations, earring projects, or more creative layouts where uniformity is less important than visual harmony and design freedom. They can also be attractive for buyers who enjoy selecting individual stones from a group for different future projects.

With a total weight of 7.22 ct, this lot offers a useful quantity of Tanzanite for custom work, small jewelry production, or selective gemstone matching. The Merelani Hills origin adds further desirability, as Tanzanite remains one of the most distinctive single-source gemstones in the world.

A refined Tanzanite lot from Merelani Hills with various shapes and attractive purplish blue color, well suited for custom jewelry designs, coordinated projects, or professional gemstone selection.

Additional Information

Certification Options

Every gemstone purchased from Gem Fountain includes a free Gem Fountain Gemstone Report, provided as a PDF file, documenting the key characteristics and authenticity of the stone.

For customers who require independent laboratory verification, we offer the option to add third-party gemstone reports. Upon selection, the gemstone will be submitted to the chosen accredited gemological laboratory. Estimated fees and processing times are as follows:

  • BGL – Brief Report: USD 19
    Processing time: approximately 1–2 business days
  • AIG – Brief Report: USD 38
    Processing time: approximately 7–8 business days
  • LOTUS – Soft Cover Report: USD 128
    Processing time: approximately 7–8 business days

All external reports are optional and can be selected as an add-on prior to shipment. Processing times may vary slightly depending on laboratory workload.

Shipping & Payment

All gemstones are shipped directly from Thailand, one of the world’s leading gemstone trading hubs. We deliver to almost all countries worldwide, using reliable and insured shipping partners to ensure safe and secure delivery. Each order is carefully packaged, and tracking details are provided once the shipment has been dispatched. Delivery times may vary depending on destination and local customs procedures. Any applicable duties, taxes, or import fees are the responsibility of the recipient.

We offer flexible payment options to accommodate our international clientele. Most common payment methods are accepted at checkout. Customers who choose to pay via wire transfer (Wise) receive a 5% discount, which can be selected directly during the checkout process.

Specification

Overview
Total Carat7.22 ct / 8 pcs
Region / MineMerelani Hills
Country of OriginTanzania
Saturation / ToneLight
ShadePurplish
ColorBlue
TransperencyTransparent
Stone TypeType I
ClarityVS – MI
Traditional Heat

Standard heat treatment to improve color and/or clarity. Stable; no special care required.

Read more about common gemstone treatments →
Refractive Index nα = 1.685 - 1.696, nβ = 1.693 -1.702 and nγ = 1.700 -1.707
Birefringence 0.008 - 0.013
Hardness (Mohs) 6.5
Gravity 3.35 – 3.38
Crystal System Orthorhombic
Chemical Formular [Ca2Al3(SiO4)(Si2O7)O(OH)] + (Cr,Sr)