52.33 CARATS!! PIGEON-BLOOD RED RUBY - TOP QUALITY GÉANT - MAURITANIA - Height: 26.4 mm - Width: 15.5 mm- 10.47 g - (1)





€2 |
|---|
Catawiki Buyer Protection
Your payment’s safe with us until you receive your object.View details
Trustpilot 4.4 | 143038 reviews
Rated Excellent on Trustpilot.
Natural rough ruby from Mauritania, a giant corundum specimen weighing 52.33 carats with dimensions 26.4 × 15.5 × 11.8 mm and a deep red to pinkish red translucent colour.
Description from the seller
Discover an exceptional 52.33-carat raw ruby from Mauritania, a remarkable mineral specimen that captivates with the intensity of its color, its generous volume, and its ability to transmit light.
This entirely natural specimen presents a gorgeous deep red coloration, revealing under lighting a spectacular luminosity and nuances ranging from deep red to bright rosé red.
Its raw morphology, visible crystal structures, and authentic character give it a particularly interesting identity for gemstone collectors, gemology enthusiasts, and lapidary craftsmen.
A piece of character, combining a remarkable mass of natural corundum, striking coloration, and particularly alluring aesthetic potential.
Technical characteristics
Stone: Natural ruby
Mineralogical family: Corundum
Chemical composition: Aluminum oxide (Al₂O₃)
Declared origin: Mauritania, Africa
Weight: 52.33 carats
Dimensions: 26.4 × 15.5 × 11.8 mm
Color: Intense red to bright rosé red
Form: Natural rough crystal, uncut
Transparency: Translucent, with remarkable light transmission under illumination
State: Rough, showing its natural structures and characteristics
Hardness: 9 on the Mohs scale
Treatment: NONE
Destination: Mineralogical collection, gemological study, lapidary project
Gemmological analysis – A spectacular color and fascinating structure
A red coloration of remarkable intensity
The first quality that distinguishes this ruby lies in its especially expressive red coloration.
Under appropriate lighting, light passes through certain zones of the crystal and reveals a red to pink luminosity, providing a striking contrast with the deeper parts of the stone.
This chromatic richness is characteristic of rubies, whose coloration mainly results from the presence of chromium within their crystal structure.
Observations of the stone reveal several complementary nuances:
A deep red in the densest areas.
A brilliant pinkish red in parts traversed by light.
Natural variations in intensity that emphasize the crystal’s relief.
An internally aesthetic luminosity under transmitted light.
This combination gives the specimen a remarkable visual presence.
A weight of 52.33 carats, particularly interesting
At 52.33 carats, over 10 grams of mineral material, this ruby has a substantial volume for a rough specimen intended for collection or lapidary study.
Its dimensions of 26.4 × 15.5 × 11.8 mm allow full appreciation of its morphology, internal structure, and different color zones.
The weight is also an asset for professionals wishing to explore value-adding possibilities for the rough material.
However, it should be noted that any yield in cut stones will depend on crystallographic orientation, fractures, and the distribution of transparent zones.
An authentic crystal structure
This ruby preserves a natural morphology of particular interest.
Its surface shows characteristic reliefs, growth lines, and irregularities bearing witness to its geological history.
Inclusions and internal particularities visible contribute to its mineralogical identity. They provide plenty of observation points for crystallography and gemology enthusiasts.
Photography under transmitted illumination highlights the depth of color and the light circulation through certain parts of the specimen.
This combination of color, mass, and natural structures makes this ruby a particularly captivating subject of observation.
History and rarity – The ruby, a legendary gemstone
Since antiquity, the ruby has held a privileged place among the most sought-after gemstones.
Its name comes from the Latin rubeus, meaning “red,” in reference to the color that made it famous across civilizations.
Symbol of power, passion, and prestige, the ruby has long adorned royal jewelry, historical treasures, and the most prestigious collections.
From a geological standpoint, ruby forms under particular conditions of temperature, pressure, and chemical composition.
The presence of chromium, responsible for its red coloration, must be accompanied by an environment favorable to corundum crystallization.
This geological combination explains why rubies of beautiful color, with substantial volume and good transparency, generate particular market interest for precious stones.
An interesting African provenance
Africa plays an important role in the modern history of ruby exploitation, notably thanks to deposits discovered in several regions of the continent.
Mauritania, better known for its geological resources and desert landscapes, is a provenance less commonly encountered in the international ruby trade.
This declared origin adds extra interest to this specimen for collectors who appreciate less common mineral provenances.
Precise authentication of provenance would, however, require traceability documentation or specialized expertise.
A piece for collectors and lapidary artisans
This rough ruby presents several qualities likely to interest different buyer profiles.
For collectors: its intense red color, its 52.33-carat weight, and its natural morphology make it an expressive piece to integrate into a collection of corundums or African gemstones.
For gemology enthusiasts: its crystal structures, chromatic variations, and its reaction to light offer numerous observation opportunities.
For lapidaries: its volume and translucent zones deserve thorough study to evaluate the possibilities of cutting, cabochon work, or conservation as rough crystal.
For lovers of exceptional minerals: it represents an opportunity to acquire a natural specimen combining spectacular color and genuine mineral presence.
The future value of a stone nevertheless depends on many factors, including identification, any treatments, real quality, and market demand. No visual appraisal can guarantee financial profitability.
Practical information and guarantees
Photographs: the images presented aim to illustrate the specimen’s real characteristics. Some photographs are taken under transmitted lighting to highlight color and transparency. Appearance may vary with lighting.
Authenticity: stone offered as natural rough ruby, in line with the information provided. Definitive identification, any treatments, and geographic origin are not accompanied here by independent certification.
Shipping: the specimen will be carefully protected and packaged to ensure transport in the best possible conditions.
Photographed piece: you will receive exactly the stone shown in the photographs.
Conclusion – A 52.33-carat rough ruby with remarkable character
This natural ruby from Mauritania combines particularly appealing characteristics: an intense red color, beautiful light transmission, a generous weight of 52.33 carats, and an authentic crystal morphology.
Its spectacular appearance under lighting, combined with its mineralogical interest and its potential for lapidary study, makes it a piece for demanding enthusiasts of natural gemstones.
A remarkable testament to the beauty of red corundum, to be discovered in all its authenticity and natural splendor.
General Terms and Conditions of Sale – MineralsOpals:
At MineralsOpals, your satisfaction is an absolute priority.
All orders are processed with the utmost care, from stone selection to final shipment.
- Shipping & timelines:
Dispatch within 1 to 3 business days maximum, usually the day after the order.
Shipping from Monday to Friday (excluding weekends and holidays).
Each package is sent via La Poste with a tracking number provided.
Careful packaging: each stone is individually protected, then placed in a rigid secure carton.
- Warranty & customer service:
100% of shipments are guaranteed: if there is any issue, we always find a solution.
You buy with complete confidence: full refund, replacement, or a goodwill gesture in case of loss or proven problem.
If you have a question, doubt, or specific request, you can contact me at any time, I will happily respond as soon as possible.
Trust & commitment
Each stone is photographed with care to reflect its natural beauty.
You benefit from personalized tracking.
My goal: to offer you a reliable, humane, and transparent shopping experience.
Thank you for your support.
Feel free to browse our no-reserve auctions to discover other exceptional products and follow us to stay informed about our new offers.
Seller's Story
Discover an exceptional 52.33-carat raw ruby from Mauritania, a remarkable mineral specimen that captivates with the intensity of its color, its generous volume, and its ability to transmit light.
This entirely natural specimen presents a gorgeous deep red coloration, revealing under lighting a spectacular luminosity and nuances ranging from deep red to bright rosé red.
Its raw morphology, visible crystal structures, and authentic character give it a particularly interesting identity for gemstone collectors, gemology enthusiasts, and lapidary craftsmen.
A piece of character, combining a remarkable mass of natural corundum, striking coloration, and particularly alluring aesthetic potential.
Technical characteristics
Stone: Natural ruby
Mineralogical family: Corundum
Chemical composition: Aluminum oxide (Al₂O₃)
Declared origin: Mauritania, Africa
Weight: 52.33 carats
Dimensions: 26.4 × 15.5 × 11.8 mm
Color: Intense red to bright rosé red
Form: Natural rough crystal, uncut
Transparency: Translucent, with remarkable light transmission under illumination
State: Rough, showing its natural structures and characteristics
Hardness: 9 on the Mohs scale
Treatment: NONE
Destination: Mineralogical collection, gemological study, lapidary project
Gemmological analysis – A spectacular color and fascinating structure
A red coloration of remarkable intensity
The first quality that distinguishes this ruby lies in its especially expressive red coloration.
Under appropriate lighting, light passes through certain zones of the crystal and reveals a red to pink luminosity, providing a striking contrast with the deeper parts of the stone.
This chromatic richness is characteristic of rubies, whose coloration mainly results from the presence of chromium within their crystal structure.
Observations of the stone reveal several complementary nuances:
A deep red in the densest areas.
A brilliant pinkish red in parts traversed by light.
Natural variations in intensity that emphasize the crystal’s relief.
An internally aesthetic luminosity under transmitted light.
This combination gives the specimen a remarkable visual presence.
A weight of 52.33 carats, particularly interesting
At 52.33 carats, over 10 grams of mineral material, this ruby has a substantial volume for a rough specimen intended for collection or lapidary study.
Its dimensions of 26.4 × 15.5 × 11.8 mm allow full appreciation of its morphology, internal structure, and different color zones.
The weight is also an asset for professionals wishing to explore value-adding possibilities for the rough material.
However, it should be noted that any yield in cut stones will depend on crystallographic orientation, fractures, and the distribution of transparent zones.
An authentic crystal structure
This ruby preserves a natural morphology of particular interest.
Its surface shows characteristic reliefs, growth lines, and irregularities bearing witness to its geological history.
Inclusions and internal particularities visible contribute to its mineralogical identity. They provide plenty of observation points for crystallography and gemology enthusiasts.
Photography under transmitted illumination highlights the depth of color and the light circulation through certain parts of the specimen.
This combination of color, mass, and natural structures makes this ruby a particularly captivating subject of observation.
History and rarity – The ruby, a legendary gemstone
Since antiquity, the ruby has held a privileged place among the most sought-after gemstones.
Its name comes from the Latin rubeus, meaning “red,” in reference to the color that made it famous across civilizations.
Symbol of power, passion, and prestige, the ruby has long adorned royal jewelry, historical treasures, and the most prestigious collections.
From a geological standpoint, ruby forms under particular conditions of temperature, pressure, and chemical composition.
The presence of chromium, responsible for its red coloration, must be accompanied by an environment favorable to corundum crystallization.
This geological combination explains why rubies of beautiful color, with substantial volume and good transparency, generate particular market interest for precious stones.
An interesting African provenance
Africa plays an important role in the modern history of ruby exploitation, notably thanks to deposits discovered in several regions of the continent.
Mauritania, better known for its geological resources and desert landscapes, is a provenance less commonly encountered in the international ruby trade.
This declared origin adds extra interest to this specimen for collectors who appreciate less common mineral provenances.
Precise authentication of provenance would, however, require traceability documentation or specialized expertise.
A piece for collectors and lapidary artisans
This rough ruby presents several qualities likely to interest different buyer profiles.
For collectors: its intense red color, its 52.33-carat weight, and its natural morphology make it an expressive piece to integrate into a collection of corundums or African gemstones.
For gemology enthusiasts: its crystal structures, chromatic variations, and its reaction to light offer numerous observation opportunities.
For lapidaries: its volume and translucent zones deserve thorough study to evaluate the possibilities of cutting, cabochon work, or conservation as rough crystal.
For lovers of exceptional minerals: it represents an opportunity to acquire a natural specimen combining spectacular color and genuine mineral presence.
The future value of a stone nevertheless depends on many factors, including identification, any treatments, real quality, and market demand. No visual appraisal can guarantee financial profitability.
Practical information and guarantees
Photographs: the images presented aim to illustrate the specimen’s real characteristics. Some photographs are taken under transmitted lighting to highlight color and transparency. Appearance may vary with lighting.
Authenticity: stone offered as natural rough ruby, in line with the information provided. Definitive identification, any treatments, and geographic origin are not accompanied here by independent certification.
Shipping: the specimen will be carefully protected and packaged to ensure transport in the best possible conditions.
Photographed piece: you will receive exactly the stone shown in the photographs.
Conclusion – A 52.33-carat rough ruby with remarkable character
This natural ruby from Mauritania combines particularly appealing characteristics: an intense red color, beautiful light transmission, a generous weight of 52.33 carats, and an authentic crystal morphology.
Its spectacular appearance under lighting, combined with its mineralogical interest and its potential for lapidary study, makes it a piece for demanding enthusiasts of natural gemstones.
A remarkable testament to the beauty of red corundum, to be discovered in all its authenticity and natural splendor.
General Terms and Conditions of Sale – MineralsOpals:
At MineralsOpals, your satisfaction is an absolute priority.
All orders are processed with the utmost care, from stone selection to final shipment.
- Shipping & timelines:
Dispatch within 1 to 3 business days maximum, usually the day after the order.
Shipping from Monday to Friday (excluding weekends and holidays).
Each package is sent via La Poste with a tracking number provided.
Careful packaging: each stone is individually protected, then placed in a rigid secure carton.
- Warranty & customer service:
100% of shipments are guaranteed: if there is any issue, we always find a solution.
You buy with complete confidence: full refund, replacement, or a goodwill gesture in case of loss or proven problem.
If you have a question, doubt, or specific request, you can contact me at any time, I will happily respond as soon as possible.
Trust & commitment
Each stone is photographed with care to reflect its natural beauty.
You benefit from personalized tracking.
My goal: to offer you a reliable, humane, and transparent shopping experience.
Thank you for your support.
Feel free to browse our no-reserve auctions to discover other exceptional products and follow us to stay informed about our new offers.
Seller's Story
Details
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.

