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Thread: Charnley Forests and 2 Odd Hones
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06-28-2010, 05:48 PM #1
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Thanked: 3164Charnley Forests and 2 Odd Hones
I recently got these four hones, all four were supposed to be CFs, but as far as I can see only two are definitely CF hones, the third is an oddity like the other recent CF hone posting, and the third looks more like an arkansas type to me, but with odd markings and lots of sedimentary layers.
Here are some pics of the hones in question, with more detailed pics of the two odd ones:
Regards,
Neil
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06-28-2010, 08:14 PM #2
The two outer stones sure are pretty. I wonder what those first two are...
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06-28-2010, 08:43 PM #3
Beautiful stones. I know the CFs produce a pink slurry. How about the other two?
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06-28-2010, 08:45 PM #4
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Thanked: 202Nice stones. Well done. As you said two are 100% CFs. The left one looks simmilar to one of my sandstones (prety hard to lap, quite coarse but very pretty). The second from left could be one of the inferior CFs as it lokks like it has has a lot of inclusions.
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06-28-2010, 09:15 PM #5
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Thanked: 3164Thanks guys!
Modine - I have had quite a few of CFs, but I wouldn't say the slury was pink - perhaps you have one with a lot of red in it? Most of mine have been green or grey. The slurry on the other two is barely coloured, and the razor residue soon blackens it.
Holli - the one that I think is a novaculite (coffee and cream coloured one) is very slow, but it produces a much finer scratch pattern on the razor bevel than the other two - it has hardly any feedback and feels like a block of glass, and seems to polish rather than cut (a weird simile, but I think you will know what I mean!) and takes a lot of laps to do it. Feels a lot like an arkansas I once had.
Ardsprach - there do look like there are a lot of inclusions, but in reality they are really tiny pores - probably filled with the residue of lapping the stone. I thought that the stone wouldn't be as good as a more usual CF, but the scratch pattern left on a bevel is very much the same. There is a little more feedback with the odd-looking one, possibly because it is slightly coarser. It looks like a regular CF that has disintegrated, then fused back together. Like you say, this one was particularly hard to lap - took much longer than the others.
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06-28-2010, 09:16 PM #6
Aren't CF's novaculite too? I thought they were.
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06-28-2010, 09:44 PM #7
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06-28-2010, 10:36 PM #8
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Thanked: 202Neil it could be CF with those "holes" as I am trying to learn more about them I collect even rock they come from and one of the samples does have small holes in it which look like it was smashed into pieces and put together. The colour is more olive green ish blue.
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06-28-2010, 10:45 PM #9
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06-28-2010, 11:16 PM #10
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Thanked: 202You are right Neil. Sorry can not help.