SKU: 10908399336

One (1) Gorgeous Sieber Agate Flat Stone (Man-made) | Intuitively Chosen

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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

One (1) Gorgeous Sieber Agate Flat Stone (Man-made) | Intuitively ChosenSiber Agate (Man Made Copper Slag) Siber Agate is a fascinating man made material with a rich history tied to ancient metallurgy. Despite its name, it is not a natural agate. Instead, Siber Agate is a glassy copper slag a byproduct of historical copper smelting processes that date back over 1,000 years. Formed when copper separates from copper ore at extremely high temperatures, this material cooled into a smooth, obsidian like glass with deep,

Siber Agate (Man-Made / Copper Slag)

Siber Agate is a fascinating man-made material with a rich history tied to ancient metallurgy. Despite its name, it is not a natural agate. Instead, Siber Agate is a glassy copper slag — a byproduct of historical copper smelting processes that date back over 1,000 years.

Formed when copper separates from copper ore at extremely high temperatures, this material cooled into a smooth, obsidian-like glass with deep, saturated coloring. True Siber Agate is most commonly found in shades of brown and black, with the highly sought-after blue variety making up only a small percentage of the material.

Historically, Siber Agate originates from old copper smelting sites in Saxony-Anhalt, Germany, where ancient extraction techniques unintentionally produced this beautiful glassy byproduct. Today, it’s admired for its luminous polish, bold color, and unique blend of human history and mineral aesthetics.

Details:

  • Man-made material (copper slag byproduct)

  • Glassy, obsidian-like appearance

  • Deep blue coloration (rare variety)

  • Smooth, high-polish finish

  • Appreciated for décor, collecting, and intention work

Siber Agate is perfect for those who value striking beauty, historical intrigue, and full transparency about material origin.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 10908399336

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Lilly Angell
Birmingham, US
★★★★★ 5
Love!
Color: Embossed Leather - Tan
Surprisingly good quality. My boyfriend loves that you can take out the smaller bifold piece and use it on its own if needed - a 2 in 1.
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Reviewed in the United States on January 7, 2026
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DJ
Bozeman, US
★★★★★ 5
Great quality, Highly Impressed!
Size: 12, Color: Light Brown
These are of great quality and surprisingly comfortable. This is my first pair of HEYDUDE. I am really impressed! They are true to size. They fit my wide feet without any issues and they are my new absolute favorites! Super lightweight, extra stylish with the platform lift, and completely worth it. The color matches the photos.
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Reviewed in the United States on May 29, 2026
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Verified Purchase
Thryn.R.
Battle Creek, US
★★★★★ 5
Slip on shoe love
Size: 9, Color: Black/Black, Size: 9, Color: Black/Black
These are a more narrow fit so if you are a wide fit girlie or you don’t like tight fitting shoes you might want to try to size up or try to find something that has a wide version. But I love them super cute and absolutely great quality..skip on and slip off love it!!! I will be looking into a different color,I got black for work ..but they are comfortable . Update-after wearing the black suede for a few days I purchased the brown suede as well.... And I can say they do loosen up a little still a a narrow fit but not right feeling.
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Reviewed in the United States on May 2, 2026
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Verified Purchase
marina p.
Draper, US
★★★★★ 5
Walking on clouds…
Size: 6, Color: Blush, Size: 6, Color: Blush
The most comfortable shoes I have ever had. Usually I wear size 6,5 -7. I followed recommendations and order size 6. It was a perfect fit. It was ideal for my problematic wide feet. The shoes are light weight and well made. They look great and feel as cozy as slippers. Absolutely love them and strongly recommend to go size down as I did.
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Reviewed in the United States on April 11, 2026
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jb
Louisville, US
★★★★★ 5
Comfort and fashion collide
Size: 7, Color: Brown Leopard
These platform mules meet the following three criteria points: fashionable, comfortable, and affordable. I wear them all day thanks to the great arch support. In fact, I have three pairs in multiple colors. I normally wear a 7.5 but sized down to 7 after trying a 7 and 8.
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Reviewed in the United States on June 2, 2026

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