SKU: 53399741398

Stalactitic chalcedony geode piece (repaired)

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Description

Stalactitic chalcedony geode piece (repaired)Locale: Atlas Mountains, Morocco Approx dimensions: 3 x 2. 5 x 1. 5" Approx weight: 178g **Repaired specimen These unusual geodes from Morocco are like small caves lined with stalactites, botryoidal forms, and swirling agate patterns. While commonly called red chalcedony, I find the color is more orange to red orange. Hematite causes this coloration, but later phases of growth (second generation) dont contain hematite inclusions. This creates a

Locale: Atlas Mountains, Morocco

Approx dimensions: 3 x 2.5 x 1.5"

Approx weight: 178g

**Repaired specimen

 

These unusual geodes from Morocco are like small caves lined with stalactites, botryoidal forms, and swirling agate patterns. While commonly called red chalcedony, I find the color is more orange to red-orange. Hematite causes this coloration, but later phases of growth (“second generation”) don’t contain hematite inclusions. This creates a colorless-to-white growth over the orange chalcedony, which can produce a soft orange-cream druzy coating, or bold Halloween patterns of orange and white stripey stalactites.

This piece of a geode has fat, rounded stalactites with sugary fibrous parallel-growth quartz coating the surface. Spheres of white quartz sprinkle the surface, and there is a large amorphous blob of white radial-growth quartz in the upper right corner. Since chalcedony and quartz are closely related you often see them grow together. They have the same chemical composition (silica) but different crystal structure (cryptocrystalline vs. crystalline).

Where stalactites have broken you can see a pinpoint of a dark, metallic, mineral at the core, surrounded by orange chalcedony, then translucent white chalcedony. The broken ends of stalactites reveal a curiosity: some are hollow, apparently dissolved away. Another is tipped with metallic radial growth.

This specimen has been inexpertly repaired from at least three pieces. The pieces were not reset evenly so cracks may be offset or have wide gaps in places. Dirt was used to "hide" visible glue in the crack near the center of the specimen (you can see the impressions where bubbles have burst from the glue in picture 8). 

 

Repaired: This specimen has been repaired, meaning it broke but someone recompiled and glued it back together. These Moroccan geodes are frequently recompiled and glued together—but this is infrequently disclosed :( Read more about how to detect repairs.

I don't know how often breaks occur due to rough techniques in mining or cracking the geodes open, but I suspect many of the breaks are natural based on how few intact pieces I have ever seen. I have observed many of these geodes have a fairly thin, brittle crust which may make them susceptible to fracturing as part of normal geological processes. I have also seen examples where it appeared iron staining had leaked through the breaks, indicating the cracks occurred well before the specimen was mined.

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SKU: 53399741398

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Roy Soto
Lowell, US
★★★★★ 5
Super tough, great value, addictive toy for my dog.
Flavor Name: Bacon, Size: X-Large
My dog pit/Shepard mix, loves this bone, and I love it because she can't kill this one like all those other Kong toys. She had a smaller nylabone, she killed it but took about a year, this larger one, she won't be able too that soon. Hard expensive Kong things, wouldn't last a couple months with her. So now, 3/17/2026 its still going. One end is gone, but the green part and other bone end she's working on.
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Reviewed in the United States on May 2, 2025
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Lynnann Lane
Draper, US
★★★★★ 5
Great for Mega Chewer
Flavor Name: Bacon, Size: X-Large
Got one of these for our Rodesien Ridgeback when he was a puppy, and it worked well. So, when my daughter rescued two medium-sized dogs (one is an Australian Cow dog mix, and the other a Plott Hound mix) it was a no-brainer. The Plott Hound mix has jaws of steel and destroys anything and everything he can get his mouth around, except items from this maker. This is the only toy brand I've found that he doesn't demolish in under 5 minutes. Oh, and I'm stunned he can put bite marks in it. The Rodesien Ridgeback didn't even do that when he was a puppy, so I was surprised. However, that being said, the toy is holding up to hours of abuse. I had to buy additional toys because they don't like to share. Update on 01/09/20: these are still holding up to repeated abuse.
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Reviewed in the United States on September 21, 2019
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Peter Suslock
Lowell, US
★★★★★ 4
Sensational Toy By Nylabone Keeps Your Best Freinds Teeth Snow White!
Flavor Name: Bacon, Size: X-Large
Our Bull dogs LOVE these bones. Long time Nylabone fans they've been making quality dog toys here in the United States for over fifty years. The nubs on the end of the bone age great for cleaning teeth and massaging bones. The center is softer but still holds up to even the toughest aggressive chewers. For whatever reason this isn't a "favorite" toy in the sense that they drag it around a few hours a day but they do play with it and we replace them when the ends start to shred - which should be done with all nylabone chew toys. The price on Amazon is virtually half the cost of the big box pet stores so it's affordable - not to mention fun to replace their toys and try new ones often. Plus with a Prime membership almost every item we buy ships with Free two day shipping - making the deals even that much sweeter.
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Reviewed in the United States on December 16, 2012
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Andhonor
Boise, US
★★★★★ 5
You've got to be kidding. Really !!!
Flavor Name: Bacon, Size: X-Large
I've used these for over fifteen years They are great. But, mine only lasted two days this time. Lucy the Labrador, left it in the driveway one afternoon. The next morning a huge garbage truck ran over it, making dust out of it. Normally, Lucy cant go any ware without it, so leaving it outside was her fault. And mine, for not checking. Yes, I ordered another one right away. Otherwise, she would have drove me crazy. These are great, and they last a long time, even with the most aggressive chewers. Lucy, passed away on June 16, at age 13, but you can bet I still have her favorite bone. The more a dog chews on these, the better they brush the dogs teeth. A+ product, just like their other items.
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Reviewed in the United States on June 30, 2015
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Memly
Omaha, US
★★★★★ 5
Large, Heavy, DURABLE!
Flavor Name: Bacon, Size: Medium
This bone is probably too big and heavy for my medium size cocker spaniel. But I bought it anyway, because he was able to demolish the Nylabones that were labeled "for medium dogs". He can still pick this one up and carry it around, but he cannot fit an entire end into his mouth. Still, he loves it--he's greedy and relishes the fact that he has such a big bone all for himself. He even sleeps with it! I like it because of the fact that it doesn't completely fit into his mouth. Due to this, the bone has lasted much longer than all the other Nylabones I bought him in the past. And because he can't shred this one, I don't find sharp bit of Nylabone fragments everywhere and it doesn't make his gums bleed either. I happy I found this and will continue buying oversized Nylabone toys for my dog!
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Reviewed in the United States on March 21, 2012

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