Is it REALLY REALLY true that diamonds don't scratch?

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Offline Seany

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Is it REALLY true that diamonds don't scratch apart from the man-made hard substances?

Like what if I get a diamond.. and like SCRAPE it on the road, like I would with cheese and a cheese-grate.

Would there not be a single scratch?

Neil, care to do the experiment for me? [;D]
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Offline Bass

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Is it REALLY REALLY true that diamonds don't scratch?
« Reply #1 on: 27/03/2008 00:09:07 »
You wouldn't scratch the diamond (why do your think they use diamond drill bits)

BUT... you might cause it to chip or fracture!

OR worse yet, have that massive stone fall out of your wife's engagement ring and be lost forever!!
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Offline JimBob

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Is it REALLY REALLY true that diamonds don't scratch?
« Reply #2 on: 27/03/2008 03:14:06 »
But can a poorly formed diamond be scratched by a one with a pure chemical composition and structure?
The mind is like a parachute. It works best when open.  -- A. Einstein

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Offline Seany

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Is it REALLY REALLY true that diamonds don't scratch?
« Reply #3 on: 27/03/2008 10:47:47 »
AHH!!
But what if I get a diamond the size of a golf ball or something.. (Doubtful..)
And scrape that on the road???
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Offline Andrew K Fletcher

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Is it REALLY REALLY true that diamonds don't scratch?
« Reply #4 on: 27/03/2008 19:07:46 »
Can you tell me the name of the road an the time your gonna scrape it :) ?
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Offline Bored chemist

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Is it REALLY REALLY true that diamonds don't scratch?
« Reply #5 on: 27/03/2008 19:40:45 »
The diamond tips on record player styli used to wear out. It's possible to scratvch a diamond with something softer than it (i.e. everything) but the other thing gets damaged more. Your records got worn more than the needle.
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Offline Seany

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Is it REALLY REALLY true that diamonds don't scratch?
« Reply #6 on: 28/03/2008 13:08:18 »
Can you tell me the name of the road an the time your gonna scrape it :) ?
LOL [:P]
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Offline Seany

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Is it REALLY REALLY true that diamonds don't scratch?
« Reply #7 on: 28/03/2008 13:08:47 »
The diamond tips on record player styli used to wear out. It's possible to scratvch a diamond with something softer than it (i.e. everything) but the other thing gets damaged more. Your records got worn more than the needle.

So diamond does wear out, even though it is by something softer?
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Offline neilep

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Is it REALLY REALLY true that diamonds don't scratch?
« Reply #8 on: 28/03/2008 13:17:09 »
AHH!!
But what if I get a diamond the size of a golf ball or something.. (Doubtful..)
And scrape that on the road???

As a firm believer in empirical study I took my tennis ball sized diamond (sorry don't have a diamond as small as a golf ball)....and scraped it along the entire car park that is the M25...........and lo and behold, it's still tennis ball sized and still nice and shiny.....though I did get a speeding ticket !!
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Offline Seany

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Is it REALLY REALLY true that diamonds don't scratch?
« Reply #9 on: 28/03/2008 13:21:40 »
LOL... Were you driving at like 100mph with your door open and your arm hanging down holding the tennis ball sized diamond and dragging it along the floor? [;D]
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Offline neilep

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Is it REALLY REALLY true that diamonds don't scratch?
« Reply #10 on: 28/03/2008 13:32:41 »
LOL... Were you driving at like 100mph with your door open and your arm hanging down holding the tennis ball sized diamond and dragging it along the floor? [;D]

lol...no....well....sort of !!!




[attachment=2582]

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Offline Seany

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Is it REALLY REALLY true that diamonds don't scratch?
« Reply #11 on: 28/03/2008 13:34:08 »
Ohh you were on a skateboard [;D] on the M25 [:o]
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Offline neilep

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Is it REALLY REALLY true that diamonds don't scratch?
« Reply #12 on: 28/03/2008 13:36:50 »
It's easy to skateboard the M25 when all the cars are gridlock !!
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Offline Seany

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Is it REALLY REALLY true that diamonds don't scratch?
« Reply #13 on: 28/03/2008 13:39:13 »
LOL [;D]
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Offline JimBob

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Is it REALLY REALLY true that diamonds don't scratch?
« Reply #14 on: 29/03/2008 03:08:25 »
Neil has been drinking again, Seany.

Can't keep him away from the sheep dip.

The mind is like a parachute. It works best when open.  -- A. Einstein

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Offline Seany

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Is it REALLY REALLY true that diamonds don't scratch?
« Reply #15 on: 29/03/2008 12:23:28 »
Yup yup..*Nods*
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Offline fishwhiz

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Is it REALLY REALLY true that diamonds don't scratch?
« Reply #16 on: 01/04/2008 03:26:18 »
hmmmm well water has worn down a lot of rocks harder than it is  ... go figure.
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