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Thread: Salmen Yellow Lake vintage
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09-01-2012, 04:06 PM #1
I really don’t understand, what’s so bad about slate. What is so negative knowing that every time you hone a razor on your yellow-green Escher, you are honing on a slate rock?
Maybe my translation is not good and there are different special definitions in english/american language for different kind of slates? ! Than let me know.
Whithout a doubt, that waterwhetstones like the Escher-labeled stones are “Schiefer”= slate/ shale/ schist? The stones have been mined in the Thuringian slate mountains in the area of Steinach. The main slate industry in Steinach was the production of slate plates and slate pencils, used for writing in schools and other applications. This kind of slate has the ability, that it could be very easily split into plates and rods. In direct neighborhood to this slate occur very thin layers of whetslates, which is a very pure slate.
You can read this after in good geological books dealing with german geology.
The waterwhetstones we talk about are not as old (from geological and usage standpoint) as other whetstones of the thuringian area. According to Max Volk, who did a lot of research about thuringian whetstones and published some literature to this subject in the 1960’s, these stones of the upper Devonian age were found around 1800 in the mountains of Steinach. From geological standpoint this stones consist of mild pure clay slate of yellow, green and blue colour. This slate has been formed as deposits of a very still sea. During geological activity these sediments of mud and clay are formed by tectonic pressure and temperature over thousands of years to what we know as slate today.
So maybe there is someone to let me know – what’s so bad about slate?
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The Following User Says Thank You to hatzicho For This Useful Post:
stingray (09-01-2012)
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09-01-2012, 05:00 PM #2
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09-01-2012, 05:13 PM #3
Well, I heard the ten commandments have been writen on tables of slate. Maybe the translation was not correct.....
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09-01-2012, 05:14 PM #4
I'm pretty sure it was poss cuttlers green.
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09-01-2012, 05:28 PM #5
even if thuringian's derive from slate its the end process that change's the stone.(coal diamond) arks and cf have most of the same minerals cf has a little more chart they arent the same stone. we can go back and forth allday prove your point show me the data (your source) i would like to learn if i'm wrong