160 g - Extra Bright, Native Copper, Crystallized Formation, from Keweenaw Co. Specimen - Height: 91 mm - Width: 65 mm- 160 g - (1)
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Current bid
€ 55
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Expert
Selected by Georgia Foteinou
Holds BSc in geology and post-graduate qualifications in geochemistry.
Estimate € 100 - € 150
19 other people are watching this object
 Bidder 4846 | €55 | |
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| Bidder 3010 | €50 | |
| Bidder 4846 | €45 | |
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160 g native copper crystallized specimen from Keweenaw Co., Michigan, United States, with an acrylic stand.
AI-assisted summary
Description from the seller
160 g High Quality - A highly aesthetic crystallized Native Copper specimen from the world-famous Keweenaw Peninsula, Michigan.
This piece displays complex branching growth and sharp metallic surfaces with a bright, warm copper colour. Small remnants of the original host rock are still attached, adding geological context and authenticity.
Native Copper from Keweenaw is considered classic and historically important, as the region is one of the oldest and most prolific native copper districts on Earth.
High-quality crystallized copper from Keweenaw is increasingly sought after due to limited availability and strong historical significance.
Origin: Keweenaw Co. Michigan, United States
Condition: Natural, untreated
Dimensions: 91 x 65 x 18 mm
Weight: 160 g
Shipped with its stand, as seen in the photos.
***About Native Copper Formation***
Native Copper is geologically uncommon because copper in nature usually occurs as sulphides, carbonates, or oxides.
In rare geological environments, such as the basaltic lava flows of the Keweenaw Peninsula, specific hydrothermal and reducing conditions allow metallic copper to precipitate directly as pure native metal.
This process can produce crystallized masses, branching structures, and occasionally well-formed crystals of nearly pure copper.
For this reason, Native Copper specimens are considered rare, scientifically significant, and highly desirable among collectors.
***All photos were taken using lamp light, with professional photographic lenses, to enhance the colors and also the details and imperfections of the gem. Looking with the naked eye, possible inclusions and imperfections are much less visible or not visible at all.***
The live color may be of a slightly different shade because it changes based on each different screen in which it is viewed.
AAA – See all my auction lots, if you win multiple lots, you only pay 1 shipping.
IMPORTANT - You must wait for the end of all auctions before paying if you want Catawiki to combine the shipment automatically.
*SHIPPING*
Shipping is always carried out with a tracking code, paying the utmost attention and care to the packaging of the object to preserve its beauty and current condition. The courier may vary according to the destination, if you wish to leave some specific instructions for delivery, kindly inform me as soon as possible, because shipments are almost always made the next morning.
*SATISFIED BUYER*
Angolo Vetusto is committed to bringing maximum professionality and transparency, always presenting original lots, full of detailed high definition photos and defining each object in detail in all its strengths and weaknesses.
If there is a problem with the lot received or due to shipping (which does not depend on us), wait to leave negative feedback, WE are always committed to solving any problem due to the lot or shipping, contact us immediately and we will be happy to resolve every issue. We care a lot about satisfying every buyer and maintaining the utmost professionality.
Always remember to leave POSITIVE FEEDBACK, if you are satisfied with your purchase, it is important for both buyers and sellers.
Thanks, Happy Auction everyone!
Seller's Story
Welcome to Angolo Vetusto Earth Stones, my name is Dalla Stella Federico.
Since I was a child, I have been fascinated by gems and minerals, and by the search and discovery of their true nature. This passion eventually grew into a desire to make it my life and profession, leading me to study and become a professional lapidary, as well as an expert in minerals from around the world, with a special focus on Italian specimens.
I am an expert lapidary, specializing in cutting and polishing hard stones such as Australian and Ethiopian opals, agates, quartzes, jaspers, and more.
Ongoing study has led me and continues to lead me to create increasingly precise work, with great attention to the smallest details, in order to best enhance the natural beauty of each gem.
I import high-quality minerals and raw gems from all over the world, to offer only the finest specimens to high-level collectors.
Translated by Google Translate160 g High Quality - A highly aesthetic crystallized Native Copper specimen from the world-famous Keweenaw Peninsula, Michigan.
This piece displays complex branching growth and sharp metallic surfaces with a bright, warm copper colour. Small remnants of the original host rock are still attached, adding geological context and authenticity.
Native Copper from Keweenaw is considered classic and historically important, as the region is one of the oldest and most prolific native copper districts on Earth.
High-quality crystallized copper from Keweenaw is increasingly sought after due to limited availability and strong historical significance.
Origin: Keweenaw Co. Michigan, United States
Condition: Natural, untreated
Dimensions: 91 x 65 x 18 mm
Weight: 160 g
Shipped with its stand, as seen in the photos.
***About Native Copper Formation***
Native Copper is geologically uncommon because copper in nature usually occurs as sulphides, carbonates, or oxides.
In rare geological environments, such as the basaltic lava flows of the Keweenaw Peninsula, specific hydrothermal and reducing conditions allow metallic copper to precipitate directly as pure native metal.
This process can produce crystallized masses, branching structures, and occasionally well-formed crystals of nearly pure copper.
For this reason, Native Copper specimens are considered rare, scientifically significant, and highly desirable among collectors.
***All photos were taken using lamp light, with professional photographic lenses, to enhance the colors and also the details and imperfections of the gem. Looking with the naked eye, possible inclusions and imperfections are much less visible or not visible at all.***
The live color may be of a slightly different shade because it changes based on each different screen in which it is viewed.
AAA – See all my auction lots, if you win multiple lots, you only pay 1 shipping.
IMPORTANT - You must wait for the end of all auctions before paying if you want Catawiki to combine the shipment automatically.
*SHIPPING*
Shipping is always carried out with a tracking code, paying the utmost attention and care to the packaging of the object to preserve its beauty and current condition. The courier may vary according to the destination, if you wish to leave some specific instructions for delivery, kindly inform me as soon as possible, because shipments are almost always made the next morning.
*SATISFIED BUYER*
Angolo Vetusto is committed to bringing maximum professionality and transparency, always presenting original lots, full of detailed high definition photos and defining each object in detail in all its strengths and weaknesses.
If there is a problem with the lot received or due to shipping (which does not depend on us), wait to leave negative feedback, WE are always committed to solving any problem due to the lot or shipping, contact us immediately and we will be happy to resolve every issue. We care a lot about satisfying every buyer and maintaining the utmost professionality.
Always remember to leave POSITIVE FEEDBACK, if you are satisfied with your purchase, it is important for both buyers and sellers.
Thanks, Happy Auction everyone!
Seller's Story
Welcome to Angolo Vetusto Earth Stones, my name is Dalla Stella Federico.
Since I was a child, I have been fascinated by gems and minerals, and by the search and discovery of their true nature. This passion eventually grew into a desire to make it my life and profession, leading me to study and become a professional lapidary, as well as an expert in minerals from around the world, with a special focus on Italian specimens.
I am an expert lapidary, specializing in cutting and polishing hard stones such as Australian and Ethiopian opals, agates, quartzes, jaspers, and more.
Ongoing study has led me and continues to lead me to create increasingly precise work, with great attention to the smallest details, in order to best enhance the natural beauty of each gem.
I import high-quality minerals and raw gems from all over the world, to offer only the finest specimens to high-level collectors.
Translated by Google TranslateDetails
Number of items
1
Main Mineral
160 g - Extra Bright, Native Copper, Crystallized Formation, from Keweenaw Co.
Mineral Form
Specimen
Supplement
With acrylic stand
Weight
160 g
Origin (Region/ City)
Keweenaw Co. Michigan
Country of Origin
United States
Height
91 mm
Width
65 mm
Depth
18 mm
Sold by
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.
