Natural high-quality rough Tanzanite crystal in exceptional top quality – intensely blue-violet gemstone with excellent transparency and impressive color play - 30.95- 6.19 g

01
day
05
hours
55
minutes
57
seconds
Starting bid
€ 1
Reserve price not met
Antonio Rapisarda
Expert
Selected by Antonio Rapisarda

Holds a master’s in chemistry with 25 years’ experience in minerals consulting.

Estimate  € 450 - € 500
No bids placed

Catawiki Buyer Protection

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

Trustpilot 4.4 | 145455 reviews

Rated Excellent on Trustpilot.

This untreated natural Tanzanite rough crystal, weighing 30.95 ct, has an intense blue-violet colour and clear, light-transmitting structure and originates from Merelani, Tanzania.

AI-assisted summary

Description from the seller

This exceptionally high-quality rough Tanzanite crystal impresses with its intense blue-violet color and remarkably clear, light-transmitting structure. Depending on the angle of the light, fascinating shades emerge between deep royal blue, violet tones, and delicate lavender areas, giving the piece exceptional optical depth. The naturally formed crystal faces reflect the light impressively and give the crystal a lively, almost glowing appearance.

The crystal’s high quality is particularly noteworthy, evident both in its intense color concentration and in its transparency and well-preserved natural crystal structures. The combination of clear sections, reflective faces, and rich color zones makes this piece a rare and especially attractive specimen for collectors. Under direct lighting, the Tanzanite displays its characteristic pleochroic effect, revealing a fascinating play of blue, violet, and subtle warm reflections.

Tanzanite is one of the world’s most sought-after gemstones and is found in only a very small area of the earth. High-quality rough crystals with such intense color and beautiful natural crystal formation are correspondingly rare and highly prized by collectors and enthusiasts of exceptional minerals alike. Its elegant appearance and remarkable rarity make this piece an impressive focal point in any high-end collection.

Total weight: 30.95 ct
Size: 23x15x12mm
Gem Type 100% Natural Tanzanite
Shape Irregular
Origin Tanzania, Merelani
Treatment None at all
Hardness 6.5-7.0
Refractive Index 1.69-1.70

Our shipping costs have been reviewed and approved by Catawiki.
We use an external shipping company to carry out the final inspection, collection, packaging, and
shipping; this is why these shipping costs apply.
The buyer is responsible for any import and export costs, customs duties, shipping costs, etc.
Please also see our other items and shipping costs to save on collection costs.
In some of the pictures, the stone has been illuminated from behind to show you its color.
For some stones, we have placed a light beneath the stone to show the color of the pieces more clearly. This may result in color variations, etc., since every computer, monitor, and mobile phone MAY display colors differently!

This exceptionally high-quality rough Tanzanite crystal impresses with its intense blue-violet color and remarkably clear, light-transmitting structure. Depending on the angle of the light, fascinating shades emerge between deep royal blue, violet tones, and delicate lavender areas, giving the piece exceptional optical depth. The naturally formed crystal faces reflect the light impressively and give the crystal a lively, almost glowing appearance.

The crystal’s high quality is particularly noteworthy, evident both in its intense color concentration and in its transparency and well-preserved natural crystal structures. The combination of clear sections, reflective faces, and rich color zones makes this piece a rare and especially attractive specimen for collectors. Under direct lighting, the Tanzanite displays its characteristic pleochroic effect, revealing a fascinating play of blue, violet, and subtle warm reflections.

Tanzanite is one of the world’s most sought-after gemstones and is found in only a very small area of the earth. High-quality rough crystals with such intense color and beautiful natural crystal formation are correspondingly rare and highly prized by collectors and enthusiasts of exceptional minerals alike. Its elegant appearance and remarkable rarity make this piece an impressive focal point in any high-end collection.

Total weight: 30.95 ct
Size: 23x15x12mm
Gem Type 100% Natural Tanzanite
Shape Irregular
Origin Tanzania, Merelani
Treatment None at all
Hardness 6.5-7.0
Refractive Index 1.69-1.70

Our shipping costs have been reviewed and approved by Catawiki.
We use an external shipping company to carry out the final inspection, collection, packaging, and
shipping; this is why these shipping costs apply.
The buyer is responsible for any import and export costs, customs duties, shipping costs, etc.
Please also see our other items and shipping costs to save on collection costs.
In some of the pictures, the stone has been illuminated from behind to show you its color.
For some stones, we have placed a light beneath the stone to show the color of the pieces more clearly. This may result in color variations, etc., since every computer, monitor, and mobile phone MAY display colors differently!

Details

Main mineral
Natural high-quality rough Tanzanite crystal in exceptional top quality –
Mineral form
intensely blue-violet gemstone with excellent transparency and impressive color play - 30.95
Weight
6.19 g
Origin (region/city)
Merelani
Country of origin
Tanzania
GermanyVerified
27516
Objects sold
99.8%
protop

Rechtliche Informationen des Verkäufers

Unternehmen:
Hajo und Mario Stieger GbR
Repräsentant:
Mario Stieger
Adresse:
Hajo und Mario Stieger GbR
Neufeld 3
47906 Kempen
GERMANY
Telefonnummer:
+4917642109788
Email:
mario.stieger33@gmail.com
USt-IdNr.:
DE329160339

AGB

AGB des Verkäufers. Mit einem Gebot auf dieses Los akzeptieren Sie ebenfalls die AGB des Verkäufers.

Widerrufsbelehrung

  • Frist: 14 Tage sowie gemäß den hier angegebenen Bedingungen
  • Rücksendkosten: Käufer trägt die unmittelbaren Kosten der Rücksendung der Ware
  • Vollständige Widerrufsbelehrung

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

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