Natural, rarely clear Tanzanite. – intensely blue rough-crystal highlight with exceptional brilliance - 33.80 ct- 6.76 g

00
days
18
hours
30
minutes
14
seconds
Current bid
€ 33
No reserve price
GR
€33
IT
€30
FR
€25

Catawiki Buyer Protection

Your payment’s safe with us until you receive your object.View details

Trustpilot 4.4 | 142038 reviews

Rated Excellent on Trustpilot.

Natural Tanzanite rough crystal from Merelani, Tanzania, weighing 33.80 ct (22×17×12 mm), irregular shape, untreated, with an intensely blue colour and exceptional brilliance.

AI-assisted summary

Description from the seller

This rough Tanzanite already at first glance shows its special quality: a strong, deep blue that under light transforms into an almost supernatural glow. The natural transparency of the crystal clearly reveals its inner fire – a rare feature, as most rough pieces appear noticeably cloudier. The fine, glass-like structures inside give the stone impressive depth, while the typical blue to slightly violet tones elegantly flow into each other.

The rough surface also has its own charm: It shows the grown structure of the Zoisite crystal with its parallel lines and mineral inclusions, underscoring the authenticity and original character of this piece. Under strong light the Tanzanite reveals an intense, almost electric blue – an effect that makes it a unique collectible.

Tanzanite is among the most sought-after gemstones in the world, not least because of its extremely limited sources and the growing demand among collectors and mineral enthusiasts. This piece combines rarity, natural character, and visual radiance in an impressive way – a stone that makes an extraordinary impression both in a high-quality collection and as a decorative standalone piece.

Weight: 33.80 ct
Size: 22x17x12mm
Gem Type 100% Natural Tanzanite
Shape Irregular
Color As Picture
Clarity As Picture
Origin Tanzania, Merelani
Treatment None at all
Hardness 6.5-7.0
Refractive Index 1.69-1.70

Our shipping costs are checked and recognized by Catawiki.
We have an external shipping company that handles the final inspection, pickup, packaging and shipping; thus these shipping costs arise.
The buyer bears all possible import and export costs, customs duties, shipping costs, etc..
See also our other items and shipping costs, pickup costs save..
On some of the pictures the stone has been backlit to show you the color of the stone.
For some stones we have held a light under the stone to better show the color of the pieces. And there may be deviations in colors, etc., as every computer, monitor and phone can display colors with different qualities!

#christmashobby

This rough Tanzanite already at first glance shows its special quality: a strong, deep blue that under light transforms into an almost supernatural glow. The natural transparency of the crystal clearly reveals its inner fire – a rare feature, as most rough pieces appear noticeably cloudier. The fine, glass-like structures inside give the stone impressive depth, while the typical blue to slightly violet tones elegantly flow into each other.

The rough surface also has its own charm: It shows the grown structure of the Zoisite crystal with its parallel lines and mineral inclusions, underscoring the authenticity and original character of this piece. Under strong light the Tanzanite reveals an intense, almost electric blue – an effect that makes it a unique collectible.

Tanzanite is among the most sought-after gemstones in the world, not least because of its extremely limited sources and the growing demand among collectors and mineral enthusiasts. This piece combines rarity, natural character, and visual radiance in an impressive way – a stone that makes an extraordinary impression both in a high-quality collection and as a decorative standalone piece.

Weight: 33.80 ct
Size: 22x17x12mm
Gem Type 100% Natural Tanzanite
Shape Irregular
Color As Picture
Clarity As Picture
Origin Tanzania, Merelani
Treatment None at all
Hardness 6.5-7.0
Refractive Index 1.69-1.70

Our shipping costs are checked and recognized by Catawiki.
We have an external shipping company that handles the final inspection, pickup, packaging and shipping; thus these shipping costs arise.
The buyer bears all possible import and export costs, customs duties, shipping costs, etc..
See also our other items and shipping costs, pickup costs save..
On some of the pictures the stone has been backlit to show you the color of the stone.
For some stones we have held a light under the stone to better show the color of the pieces. And there may be deviations in colors, etc., as every computer, monitor and phone can display colors with different qualities!

#christmashobby

Details

Main mineral
Natural, rarely clear Tanzanite.
Mineral form
– intensely blue rough-crystal highlight with exceptional brilliance - 33.80 ct
Weight
6.76 g
Origin (region/city)
Merelani
Country of origin
Tanzania
GermanyVerified
26638
Objects sold
99.62%
protop

Disclaimer

It is believed that certain gemstones and minerals have beneficial health and spiritual properties. However, using or wearing gemstones or minerals does not mean that you can treat, cure or prevent any disease. Please consult your health care professional for information on health care issues and do not stop any medications or courses of treatment, without first consulting your health care professional. The use of gemstones or minerals as a wellness therapy is one of personal choice. While stones or crystals have been used historically to relieve or prevent symptoms, the objects sold on our website offer no guarantee of results. Therefore, Catawiki cannot guarantee or be held liable for the effectiveness of these objects sold herein.

It is believed that certain gemstones and minerals have beneficial health and spiritual properties. However, using or wearing gemstones or minerals does not mean that you can treat, cure or prevent any disease. Please consult your health care professional for information on health care issues and do not stop any medications or courses of treatment, without first consulting your health care professional. The use of gemstones or minerals as a wellness therapy is one of personal choice. While stones or crystals have been used historically to relieve or prevent symptoms, the objects sold on our website offer no guarantee of results. Therefore, Catawiki cannot guarantee or be held liable for the effectiveness of these objects sold herein.

Similar objects

  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​

For you in

Minerals & Meteorites

  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​