20.49 carats!! pigeon blood rubies - top quality GÉANT - MAURITANIA - Height: 16.4 mm - Width: 13.7 mm- 4.1 g - (1)





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Natural ruby rough from Mauritania, 20.49 carats, 16.4 × 13.7 × 10.4 mm, raspberry red with pinkish hues and no treatments.
Description from the seller
Discover this magnificent 100% natural, untreated raw ruby weighing 20.49 carats, originating from Mauritania, selected for its particularly vibrant raspberry red color, beautiful translucency, and generous proportions.
This piece stands out for its spectacular red-pink coloration, revealing impressive radiance when light passes through. Its crystal structure, intense hues, and substantial volume make it a particularly alluring specimen.
With more than 20 carats, this ruby offers a beautiful opportunity for natural gemstone collectors and lapidaries seeking a raw, characterful material.
Technical characteristics
- Stone: Natural ruby – Red variety of corundum
- Weight: 20.49 carats
- Dimensions: 16.4 × 13.7 × 10.4 mm
- Declared origin: Mauritania
- Color: Intense raspberry red, bright pink-red nuances
- Transparency: Translucent, with excellent light transmission in certain areas
- Shape: Natural rough crystal with rounded contours
- Chemical composition: Al₂O₃ – Aluminum oxide
- Crystallization: Trigonal system
- Hardness: 9 on the Mohs scale
- Declared treatments: None – 0 treatments
Gemmological analysis
Remarkable color: This specimen presents an intense raspberry-red coloration, combining particularly bright pink hues with deeper red zones. Under transmitted light, its color becomes radiant, revealing a remarkable chromatic richness.
Translucency: Light penetrates widely into several parts of the crystal, notably in its lower zone. This feature highlights the depth of its coloration and allows observation of part of its internal structure.
Natural structure: The stone shows growth lines, dark inclusions, and visible crystalline irregularities. These elements contribute to its mineralogical character and should be considered for any eventual cutting.
Morphology: Its compact volume and relatively balanced dimensions are noteworthy for detailed examination by an experienced lapidary.
History and rarity
For millennia, ruby has been among the most prestigious gemstones. Valued in ancient civilizations for its fascinating red, it traditionally symbolizes power, passion, and prosperity.
Its characteristic color mainly derives from traces of chromium in its crystal structure.
Natural rubies over 20 carats in rough form, with sustained color and appreciable translucency, attract particular interest from collectors and gem professionals.
Declared Mauritanian origin adds an interesting geographic dimension to this specimen, this origin being less known than the major historical ruby-producing regions.
Potential for cutting and collection
This ruby offers several interesting perspectives:
- Collection: A natural piece of substantial size, particularly attractive for its intense color and luminosity.
- Cutting: A raw crystal with translucent zones that deserve thorough study to determine possibilities for turning into cut gems or cabochons.
- Heritage conservation: A specimen that may interest natural gemstone enthusiasts, subject to independent evaluation of its quality and value.
The yield and quality of any cut stones will depend on the examination of inclusions, fractures, and crystallographic orientation.
Practical information
- Photographs taken with professional macro photography, with transmitted light to highlight color and internal characteristics.
- The intensity of coloration may vary depending on lighting conditions.
- You will receive exactly the stone shown in the photographs.
- Carefully protected shipping in a packaging suitable for precious stones.
A superb natural ruby from Mauritania, 20.49 carats, combining striking raspberry red color, excellent light transmission, and interesting potential for collectors and lapidaries alike.
Terms & Conditions – MineralsOpals:
At MineralsOpals, your satisfaction is a top priority.
All orders are processed with the utmost care, from stone selection to final shipping.
- Shipping & timelines:
Shipped within 1 to 3 business days maximum, generally the day after the order.
Shipping Monday to Friday (excluding weekends and holidays).
Each package is sent via La Poste with a tracking number provided.
Carefully packaged: each stone is individually protected, then placed in a secure rigid box.
- 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 courtesy gesture in case of loss or proven problem.
If you have questions, doubts, or a specific request, you can contact me at any time, and I will gladly respond as soon as possible.
Trust & commitment
Each stone is photographed with care to reflect its natural beauty.
You benefit from a personalized follow-up.
My goal: to offer you a reliable, human, and transparent shopping experience.
Thank you for your support.
Feel free to browse our reserve-less auctions to discover other exceptional products and follow us to stay informed about our new offers.
Seller's Story
Discover this magnificent 100% natural, untreated raw ruby weighing 20.49 carats, originating from Mauritania, selected for its particularly vibrant raspberry red color, beautiful translucency, and generous proportions.
This piece stands out for its spectacular red-pink coloration, revealing impressive radiance when light passes through. Its crystal structure, intense hues, and substantial volume make it a particularly alluring specimen.
With more than 20 carats, this ruby offers a beautiful opportunity for natural gemstone collectors and lapidaries seeking a raw, characterful material.
Technical characteristics
- Stone: Natural ruby – Red variety of corundum
- Weight: 20.49 carats
- Dimensions: 16.4 × 13.7 × 10.4 mm
- Declared origin: Mauritania
- Color: Intense raspberry red, bright pink-red nuances
- Transparency: Translucent, with excellent light transmission in certain areas
- Shape: Natural rough crystal with rounded contours
- Chemical composition: Al₂O₃ – Aluminum oxide
- Crystallization: Trigonal system
- Hardness: 9 on the Mohs scale
- Declared treatments: None – 0 treatments
Gemmological analysis
Remarkable color: This specimen presents an intense raspberry-red coloration, combining particularly bright pink hues with deeper red zones. Under transmitted light, its color becomes radiant, revealing a remarkable chromatic richness.
Translucency: Light penetrates widely into several parts of the crystal, notably in its lower zone. This feature highlights the depth of its coloration and allows observation of part of its internal structure.
Natural structure: The stone shows growth lines, dark inclusions, and visible crystalline irregularities. These elements contribute to its mineralogical character and should be considered for any eventual cutting.
Morphology: Its compact volume and relatively balanced dimensions are noteworthy for detailed examination by an experienced lapidary.
History and rarity
For millennia, ruby has been among the most prestigious gemstones. Valued in ancient civilizations for its fascinating red, it traditionally symbolizes power, passion, and prosperity.
Its characteristic color mainly derives from traces of chromium in its crystal structure.
Natural rubies over 20 carats in rough form, with sustained color and appreciable translucency, attract particular interest from collectors and gem professionals.
Declared Mauritanian origin adds an interesting geographic dimension to this specimen, this origin being less known than the major historical ruby-producing regions.
Potential for cutting and collection
This ruby offers several interesting perspectives:
- Collection: A natural piece of substantial size, particularly attractive for its intense color and luminosity.
- Cutting: A raw crystal with translucent zones that deserve thorough study to determine possibilities for turning into cut gems or cabochons.
- Heritage conservation: A specimen that may interest natural gemstone enthusiasts, subject to independent evaluation of its quality and value.
The yield and quality of any cut stones will depend on the examination of inclusions, fractures, and crystallographic orientation.
Practical information
- Photographs taken with professional macro photography, with transmitted light to highlight color and internal characteristics.
- The intensity of coloration may vary depending on lighting conditions.
- You will receive exactly the stone shown in the photographs.
- Carefully protected shipping in a packaging suitable for precious stones.
A superb natural ruby from Mauritania, 20.49 carats, combining striking raspberry red color, excellent light transmission, and interesting potential for collectors and lapidaries alike.
Terms & Conditions – MineralsOpals:
At MineralsOpals, your satisfaction is a top priority.
All orders are processed with the utmost care, from stone selection to final shipping.
- Shipping & timelines:
Shipped within 1 to 3 business days maximum, generally the day after the order.
Shipping Monday to Friday (excluding weekends and holidays).
Each package is sent via La Poste with a tracking number provided.
Carefully packaged: each stone is individually protected, then placed in a secure rigid box.
- 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 courtesy gesture in case of loss or proven problem.
If you have questions, doubts, or a specific request, you can contact me at any time, and I will gladly respond as soon as possible.
Trust & commitment
Each stone is photographed with care to reflect its natural beauty.
You benefit from a personalized follow-up.
My goal: to offer you a reliable, human, and transparent shopping experience.
Thank you for your support.
Feel free to browse our reserve-less 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.

