SKU: 67221373873

Pseudo-stromatolite, extra large "Badonkadonk"

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Description

Pseudo-stromatolite, extra large "Badonkadonk"Locale: Morocco Approx dimensions: 7 x 4. 75 x 4" Approx weight: 6 lbs 4 oz A stromatolite is a sedimentary fossil structure made by prehistoric bacteria colonies, typically cyanobacteria. Stromatolites in fact are still living and forming in some parts of our world today, including Australia, and are among the earliest forms of lifeand fossilson our Earth. The fossils form in shallow water conditions of lakes or salt water shores. First,

Locale: Morocco

Approx dimensions: 7 x 4.75 x 4"

Approx weight: 6 lbs 4 oz

A stromatolite is a sedimentary fossil structure made by prehistoric bacteria colonies, typically cyanobacteria. Stromatolites in fact are still living and forming in some parts of our world today, including Australia, and are among the earliest forms of life—and fossils—on our Earth.

The fossils form in shallow water conditions of lakes or salt water shores. First, cyanobacteria grow in microbial mats. Minerals like calcium carbonate precipitate (crystalize from the water) onto the surface of the mat. The bacteria acts as a glue, cementing it all together with sedimentary debris. Layers build up over time like a bacterial pearl; the name “stromatolite” appropriately means “layered rock” in Greek.

This, however, is not a stromatolite. They are commonly believed to be stromatolites, and you will more often than not see them sold under that name and description. More accurately, they are concretions formed out of beautiful tones of red sandstone material. These sandstone concretions form in a manner similar to stromatolites, but minus the aid of bacteria: mineral-rich waters precipitate barite which binds with sand to form concentric layers around a nucleus. It is a relative of the barite desert rose, which grows clusters of round blade-like ‘petals.’

This shapely specimen makes for an inexpensive large piece to add to your mineral collection or use as decor around the home. I call this one the "Badonkadonk" because when flipped over, it appears as two pert semi-perfect spheres.

UV reactivity Many pseudo-stromatolites from Morocco have faint to moderate fluorescence and phosphorescence under 365 nm UV light. Some areas show brief phosphorescence, but overall reaction is poor.

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SKU: 67221373873

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4.2 ★★★★★
Based on 22 reviews
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Nate
Omaha, US
★★★★★ 5
Good interactive toy that keeps even my poodle mix busy
Color: Blue
We have a poodle mix that easily gets bored with most toys, including the other interactive bouncy balls. This toy seems to keep him busy though and so far he has not destroyed it or grown bored of it. The only problem we have is keeping it charged because he seems to wear it out but it is not a problem to recharge it with the USB cable that is included. It is a little tricky screwing the toy back together after charging the battery but I am getting the hang of it. Once it is set to one of the play modes the ropes on top (that you need to put on) will start spinning back and forth and the toy gyrates around seeming like it is alive to our dog. The loves playing with it in all of the modes but I think he likes that faster modes better. It comes with an extra rope which was good because our raptor dog already ripped the first one apart. The price on this toy is relatively low compared to tother toys to I highly recommend this for anyone that has a dog who is bored with the typical play toys.
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Reviewed in the United States on February 22, 2026
K
Verified Purchase
Kirstyn Wheeler
Port Orchard, US
★★★★★ 5
Great Enrichment Toy for Treats or Kibble!
Color: red
I love this toy—and so do my dogs! It’s perfect for daily enrichment and works great as a kibble feeder too. It holds a generous amount (about 3 cups), rolls smoothly, and keeps my dogs mentally engaged while they work for their food. One of my favorite features is the adjustable treat holes. You can easily change the difficulty level, which makes it suitable for dogs of all sizes and skill levels. Whether you have a beginner or a more experienced puzzle solver, this toy adapts perfectly. It’s well-made, easy to clean, and durable enough for everyday use. This has been a great addition to our routine and helps slow down eating while keeping my dogs entertained and stimulated. Highly recommend for anyone looking to add more enrichment to their dog’s day!
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Reviewed in the United States on January 22, 2026
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Sheila B.
Natrona Heights, US
★★★★★ 5
Doesn't break easily
Color: yellow/orange
This toy works really good. I bought it from my daughter's dog when they bring her over but it ended up the cat. Loved it and knows how to play with it. Better than the dog did. LOL
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Reviewed in the United States on June 3, 2026
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JBTOMKINSON
Phoenix, US
★★★★★ 5
My frenchie likes it.
Color: yellow/orange
Very useful for my dog. It made him eat slower because he tends to inhale his food. He got his playtime and was able to eat his kibble a little bit a time.
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Reviewed in the United States on May 25, 2026
R
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renee yanez
Battle Creek, US
★★★★★ 4
Just perfectly simple
Color: yellow/orange
It's simple and entertaining and my dog hasn't chewed through ut to get to the treats
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Reviewed in the United States on January 18, 2026

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