Haven't Seen It Come Up In A While

SBS

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Nov 25, 2016
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Madison County
What is a madstone? I've never heard of that.

I assume its when a buck gets mad about being hunted and uses his antlers to chunk big rocks at you. Obviously, that's happened to me several times but I thought they were called "anger-rocks".

But seriously what are they?
 

Mike Belt

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Mar 26, 1999
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Lakeland, Tn.
A madstone, known as bezoar stones, resembles a rock or marble and are concretions of mineral salts combined with hair or fibers. Most are smooth and rounded ranging in size from a marble to an orange. They're occasionally found in the stomachs of livestock as well as in whitetail deer but those from the deer were deemed more potent. Madstones form from calcium deposits similar to the way an oyster forms a pearl. Calcium clings to a foreign material then more calcium is added in layers. Cut through one and you'll find concentric rings like those in a tree. Old timers in the 1800s believed madstones held healing powers for rabies, snakebites, spider bites, and the like. The stone was placed in warm milk and then applied to the wound. If it didn't adhere it was thought they didn't have the virus. To do any good it had to stick and begin drawing out the poison. After it had drawn it's limit it dropped off and was again bathed in warm milk. The milk supposedly turned green from the madstone releasing the poison and at that point, it could be used again. They were considered highly valuable.

I have 1 I found in the stomach of a deer I killed some 20 years back. Mine is whitish, round like a marble, and between a quarter and half dollar size.
 

SBS

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Joined
Nov 25, 2016
Messages
74
Location
Madison County
That's pretty cool. Now I'm gonna have to start checking out the gross stinky stuff.
How rare are They? I know you said you've found only one but have you always checked for them?
 

Mike Belt

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Joined
Mar 26, 1999
Messages
27,376
Location
Lakeland, Tn.
At one point I always checked the stomach contents of every deer I killed to see if I could determine exactly what most were feeding on at any point in the season. That's when I found my madstone. This sometimes lead to deciding on a particular hunting location. I still do occasionally but not near as often. I really don't know how rare they might be. They aren't uncommon but I wouldn't suspect they are found in a high percentage of the deer killed. I also suspect that most hunters avoid cutting into the stomachs of the deer they kill or you might hear of more being found.
 

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