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Hirlau is the King of PHIG...he knows all of them, there is no other around with this huge knowledge on PHIG 👍👍

A very soft feeling describes it very good...also touching a thuringian is like touching silk you could not feel any grain size its quite comparable to move your finger over glas when water is on the...

Sorry its impossible for me to identify just by the pictures, just going by the sawmarks i tend to say its a thuringian, but a real identification would only be possible by comparing two stones...
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Checked the ebay listing...on one site there are thuringian like saw marks, although the other sides and the surface looked quite a bit rougher for me as a thuringian stone should....

Some...

Hirlau...thanks for this....you just made my day...😂

On the first look it looks like a kind of Schist, hard to tell though what it is....

I would recomment 2-4 additionals shots on daylight with slurry pictures and details of both sides....

Any...