slate or bbw

**jasp** · 11-10-2010, 01:29 PM

Hey, I wanted to show you guys some pictures of a new coti I bought,
it states to be a glued coti + slate.
It got myself a nice small one, pretty cheap, 100 mm by 30 mm or about 4 inch by 1 inch and with a free slurry stone.
I haven't seen too many coticules and haven't really looked into slate <-> bbw difference, so any input would be appreciated
slurry looks somewhat purple and milky afaict

thank you

**Disburden** · 11-10-2010, 01:35 PM

the slurry is definitely BBW slurry,How does it cut on slurry, slow or fast?

Nice stone, enjoy!

**jasp** · 11-10-2010, 01:37 PM

I aso suspected it to be a bbw, haven't used it yet tho, but feels like a fast cutter

**eleblu05** · 11-10-2010, 02:35 PM

yeah thats bbw

**leadingedge** · 11-10-2010, 03:01 PM

+1 on it being a BBW, you can see the purple/bluish slurry that gives it away, and the leathery grain on the BBW.

**Utopian** · 11-10-2010, 04:53 PM

Whenever a coticule is bound to a piece of slate, the two pieces will be bound by a straight line. The boundary between the two sides of your stone is certainly not a straight line, indicating that yours is a natural coticule that was cut from the boundary of two distinct veins of rock--the coticule and the bbw.

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