Natural Tanzanite rough crystal of exceptional top quality – rarer blue-violet crystal with intense transparency and fascinating play of color - 75.15 ct- 15.03 g

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€ 35
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Francesco Moser
Expert
Selected by Francesco Moser

Over 20 years collecting meteorites; former museum curator and experienced restorer.

Estimate  € 2,800 - € 3,100
IT
€35
IT
€30

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Natural Tanzanite rough crystal of exceptional top quality from Merelani, Tanzania, weighing 75.15 ct (15.03 g) and measuring 34.7 x 22.1 x 20.9 mm, irregular shape with no treatment and 100% natural gem, showing blue‑violet colour with strong transparency as pictured (refractive index 1.69–1.70, hardness 6.5–7.0).

AI-assisted summary

Description from the seller

This impressive natural Tanzanite rough crystal captivates with its intense blue-violet color and its exceptionally clear crystal structure. The distinctive prismatic growth faces are well preserved and give the piece a particularly aesthetic and high-quality appearance. Depending on the incidence of light, the crystal alternates between deep indigo, royal blue, violet, and delicate lavender hues – a typical and coveted feature of high-quality Tanzanites.

The translucent to transparent areas allow fascinating insights into the interior of the crystal. Fine natural tensions, reflective surfaces, and vivid light reflections create an impressive sense of depth. Especially the intense color concentration in the upper crystal region provides strong visual presence and makes this piece an exceptional collector’s item.

The natural crystal form with its clearly defined edges and growth lines underscores the mineral’s original character. At the same time, the partly golden and lighter areas in the lower section give Tanzanite additional contrasts and a particularly lively radiance. Such aesthetically preserved rough crystals with clearly recognizable structure and intense color are found much more rarely and have high appeal for mineral collectors and lovers of extraordinary gemstones.

Tanzanite is considered a stone of transformation, intuition, and mental clarity. It is traditionally believed to inspire, promote inner calm and creative processes, and to possess an elegant, almost mystical aura.

Weight: 75.15 ct
Size: 34.7x22.1x20.9 mm
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 performs the final inspection, pickup, packaging, and shipping; this is what these shipping costs cover.
The buyer bears all potential import and export costs, customs duties, shipping costs, etc.
Also see our other items and shipping costs; pickup costs save..
In some of the pictures the stone has been backlit to show you the color of the stone.
In some stones we have held a light under the stone to better show the color of the pieces. And color deviations may occur, as every computer, monitor and phone can display colors with different qualities.
#christmashobby

This impressive natural Tanzanite rough crystal captivates with its intense blue-violet color and its exceptionally clear crystal structure. The distinctive prismatic growth faces are well preserved and give the piece a particularly aesthetic and high-quality appearance. Depending on the incidence of light, the crystal alternates between deep indigo, royal blue, violet, and delicate lavender hues – a typical and coveted feature of high-quality Tanzanites.

The translucent to transparent areas allow fascinating insights into the interior of the crystal. Fine natural tensions, reflective surfaces, and vivid light reflections create an impressive sense of depth. Especially the intense color concentration in the upper crystal region provides strong visual presence and makes this piece an exceptional collector’s item.

The natural crystal form with its clearly defined edges and growth lines underscores the mineral’s original character. At the same time, the partly golden and lighter areas in the lower section give Tanzanite additional contrasts and a particularly lively radiance. Such aesthetically preserved rough crystals with clearly recognizable structure and intense color are found much more rarely and have high appeal for mineral collectors and lovers of extraordinary gemstones.

Tanzanite is considered a stone of transformation, intuition, and mental clarity. It is traditionally believed to inspire, promote inner calm and creative processes, and to possess an elegant, almost mystical aura.

Weight: 75.15 ct
Size: 34.7x22.1x20.9 mm
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 performs the final inspection, pickup, packaging, and shipping; this is what these shipping costs cover.
The buyer bears all potential import and export costs, customs duties, shipping costs, etc.
Also see our other items and shipping costs; pickup costs save..
In some of the pictures the stone has been backlit to show you the color of the stone.
In some stones we have held a light under the stone to better show the color of the pieces. And color deviations may occur, as every computer, monitor and phone can display colors with different qualities.
#christmashobby

Details

Main mineral
Natural Tanzanite rough crystal of exceptional top quality –
Mineral form
rarer blue-violet crystal with intense transparency and fascinating play of color - 75.15 ct
Weight
15.03 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.

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