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I believe that this is a "diferent name" of belgian blue.

It is indiferent if you have a hard or a softer stone.
Garnets size are the same.
The clay medium is different, probably and the garnets density.
As for finishing if you keep the softer stone...

No, not only the density but and the size of garnets is different
In the blue are 3-12 micron and red in color.
In the coticule are 2-8 micron and translucent white


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I believe that a Belgian blue produces a same result of 6000 to 9000 artificial stones, depending of the use of slurry or water only.

But 6 strokes are insuficient for this type of hone
My...