I Assume it's some type of grinding stone ? Thoghts Please Thanks

[Cabo]

Recently a friend gave me this stone . He said it was purchased at a rock shop in Mexico over twenty years and the owner was using it as a door stop. One of the holes in the bottom goes all the way thru to the top the other one goes partly into the stone. Weight approx. 25 lbs. Diameter 8" x 10" High. Any idea what it could have been used for ?

 

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[bowwinkles]

My thought is that it is the mill stone out of a corn/grain grinder. The bottom half should not be far from where you found this section.

 

[Back-of-the-boat]

I was thinking some kind of grinding stone also.

 

[Rednecky]

Looks like it may have been part of a statue or sculpture... the hole in the middle may have had a rod thru it to connect the pieces together

 

[Tony in SC]

It is a burr from a small burr mill. I have a couple with cast iron burrs that have that same exact pattern. Over the years I have bought and sold dozens of grinders, but have never seen one with a stone burr!!

 

[Older The Better]

Tony that’s exactly what I was thinking, but I know nothing abou a stone one

 

[Red-Coat]

I think the slanted grooves give it away as a milling stone.

A common arrangement for milling in olden times was the ‘bedstone and runner’. Only the lower bedstone is turned and on top of it sits a free-rotating roller-shaped runner on a spindle that turns via frictional movement, as below (all sizes exist):



The advantage is that less heat is generated, and finer material can be produced. As an adaptation, the runner can be conical, which is also the preferred arrangement for wet-milling and has traditionally been used for purposes such as processing olives (sometimes with multiple cones running on the rotating bedstone):



There’s a rather less common adaptation where the cone serves as a ‘under runner’ and is rotated against a fixed stationary stone into which it snugly fits:



PS: Welcome to Tnet!

 

[Cabo]

Thanks everyone for confirming "What is it" Greatly appreciated !

 

[ArfieBoy]

Interesting find... and great answers! Thanks guys!