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I really need forum help-hones again

Hello all good people. I need your help! I have 4 stones, which I think are hones but I do not have any idea what they can be or what is grit of this hones. Please help me identify this stones.
I have described them as much as possible.

Stone 1
Color when dry: Dark going into black color
Color when wet: Dark
Color of wet slurry: Grey, more into dark grey
Color of dry slurry: Grey
Fell without slurry: Very delicate, smooth
Feel with slurry: Very delicate, smooth
Hardness: Very hard stone
Time needed to create slurry: 20 laps on DMT 325
Level of difficulty to create slurry: Medium
Lapping experience: Very hard stone, do not lap easy
Stone patterns: Plain
Slurry feel: Ash like
$CIMG3175.jpg$CIMG3174.jpg
Stone 2
Color when dry: Grey, light grey
Color when wet: Light grey
Color of wet slurry: Grey
Color of dry slurry: Grey going into white
Fell without slurry: Very smooth
Feel with slurry: Very smooth
Hardness: Soft going into very soft
Time needed to create slurry: 5-8 laps
Level of difficulty to create slurry: Very easy
Lapping experience: Very easy to lap, quickly, stone might chip out corners
Stone patterns: Waves across
$CIMG3181.jpg$CIMG3180.jpg
Stone 3
Color when dry: Chocolate
Color when wet: Dark Chocolate
Color of wet slurry: Dark, muddy brown
Color of dry slurry: Dark brown
Fell without slurry: Smooth
Feel with slurry: Smooth
Hardness: Soft
Time needed to create slurry: 10-14 laps
Level of difficulty to create slurry: Medium
Lapping experience: Easy to lap
Stone patterns: None
$CIMG3216.jpg
 
continue:
Stone 4
Color when dry: Brown with silver shining patterns
Color when wet: Brown
Color of wet slurry: Dark brown
Color of dry slurry: Light brown
Fell without slurry: not as smooth, felling stone patterns
Feel with slurry: smooth, delicate
Hardness: fairly hard
Time needed to create slurry: 20 laps
Level of difficulty to create slurry: Hard
Lapping experience: Medium time
Stone patterns: Silver minerals like patterns
$CIMG3218.jpg

Some more pictures:
$CIMG3197.jpg$CIMG3195.jpg$CIMG3193.jpg$CIMG3191.jpg
 
Look like slate. Not an expert so can say anymore. Have you tried taking a shave ready edge to them for touching up to see if it improves or not?
 
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