Harder than Diamond

DragonSlayer25 · 07-24-2006, 04:01 PM

If we ever discovered a substance that we thought was harder than diamond, and tried to do the common "scratch test", would we even be able to? Even if it is harder, would it still be able to scratch diamond with just hand power? Or would we need some sort of machine.

JrKASperov · 07-24-2006, 05:20 PM

I don't believe we are able to scratch diamond or granite now either.

Madman-Rogovich · 07-24-2006, 05:29 PM

I doubt scratching said substance by hand would work, from my rudimentary knowledge there would be a way to 'scratch' the supposed sample with another sample of the same stuff ala diamond cutter ...

Bungleau · 07-24-2006, 05:29 PM

Diamond can scratch granite, applied properly. I believe the answer lies in the way that diamonds are cut and shaped today... something has to do it, and I believe the "something" involves diamond-crusted tools.

Variol (Farseer) Elmwood · 07-24-2006, 09:35 PM

You... just came up with this? Too much time on your hands?

Dundee Slaytern · 07-24-2006, 11:05 PM

Either use 'aggregated diamond nanorods(ADNR)' or 'ultrahard fullerite'.

JrKASperov · 07-25-2006, 06:22 AM

Quote:

Originally posted by Bungleau:
Diamond can scratch granite, applied properly. I believe the answer lies in the way that diamonds are cut and shaped today... something has to do it, and I believe the "something" involves diamond-crusted tools.

I believe they let diamonds erode over long periods of time, that works even on diamond.

Iron Greasel · 07-25-2006, 01:15 PM

Diamonds are bery brittle in some directions. Diamonds are naturally octahedrons (or dodecahedrons, I forget which), and any sides that face in the same direction with the that basic form are extremely tough. Others are not. Also, diamonds are not entirely uniform in quality, and some parts just are weaker for no real reasons.

So, to shape a diamond you apply some diamond dust on it. Some edges in the dust are bound to be harder than some surfaces of the diamond you are working on.

DragonSlayer25 · 07-25-2006, 03:13 PM

I thought carbon atoms aligned in cubes to make diamonds so strong, but then again I had way too many pretty girls in my chem class.

DragonSlayer25 · 07-25-2006, 03:19 PM

And just curious, where does diamond dust come from, and not the obvious "from cutting diamonds", but the first diamond dust. How could they make it without having any, way back when.

07-24-2006, 04:01 PM	#1
DragonSlayer25 Drow Warrior Join Date: January 17, 2002 Location: Umapine, OR Age: 36 Posts: 267	If we ever discovered a substance that we thought was harder than diamond, and tried to do the common "scratch test", would we even be able to? Even if it is harder, would it still be able to scratch diamond with just hand power? Or would we need some sort of machine. __________________ It\'s like a whole other world<br />Where you can smell the food<br />But you can\'t touch the silverware.<br /><br />[url]\"http://kevan.org/brain.cgi?Porkmeister\" target=\"_blank\">http://kevan.org/brain.cgi?Porkmeister</a>

07-24-2006, 05:20 PM	#2
JrKASperov Fzoul Chembryl Join Date: July 16, 2003 Location: Wa\'eni\'n Age: 38 Posts: 1,701	I don't believe we are able to scratch diamond or granite now either. __________________ God is in the rain.

07-24-2006, 05:29 PM	#3
Madman-Rogovich Lord Soth Join Date: October 23, 2001 Location: Edinburgh Age: 38 Posts: 1,918	I doubt scratching said substance by hand would work, from my rudimentary knowledge there would be a way to 'scratch' the supposed sample with another sample of the same stuff ala diamond cutter ... __________________ One room, one axe, one outcome.

07-24-2006, 05:29 PM	#4
Bungleau 40th Level Warrior Join Date: October 29, 2001 Location: Western Wilds of Michigan Posts: 11,752	Diamond can scratch granite, applied properly. I believe the answer lies in the way that diamonds are cut and shaped today... something has to do it, and I believe the "something" involves diamond-crusted tools. __________________ B Save Early, Save Often Save Before, Save After Two-Star General, Spelling Soldiers -+-+-+ Give 'em a hug one more time. It might be the last.

07-24-2006, 09:35 PM	#5
Variol (Farseer) Elmwood Jack Burton Join Date: May 16, 2003 Location: Dartmouth, NS Canada Age: 58 Posts: 5,634	You... just came up with this? Too much time on your hands? __________________ A MAN WHO WANTS FOR NOTHING HAS INFINITE WEALTH. (me)

07-24-2006, 11:05 PM	#6
Dundee Slaytern Ironworks Moderator Join Date: June 10, 2001 Location: Pasir Ris, Singapore Age: 41 Posts: 11,063	Either use 'aggregated diamond nanorods(ADNR)' or 'ultrahard fullerite'.

07-25-2006, 01:15 PM	#8
Iron Greasel Fzoul Chembryl Join Date: July 13, 2004 Location: Finland Age: 35 Posts: 1,701	Diamonds are bery brittle in some directions. Diamonds are naturally octahedrons (or dodecahedrons, I forget which), and any sides that face in the same direction with the that basic form are extremely tough. Others are not. Also, diamonds are not entirely uniform in quality, and some parts just are weaker for no real reasons. So, to shape a diamond you apply some diamond dust on it. Some edges in the dust are bound to be harder than some surfaces of the diamond you are working on. __________________

07-25-2006, 03:13 PM	#9
DragonSlayer25 Drow Warrior Join Date: January 17, 2002 Location: Umapine, OR Age: 36 Posts: 267	I thought carbon atoms aligned in cubes to make diamonds so strong, but then again I had way too many pretty girls in my chem class. __________________ It\'s like a whole other world<br />Where you can smell the food<br />But you can\'t touch the silverware.<br /><br />[url]\"http://kevan.org/brain.cgi?Porkmeister\" target=\"_blank\">http://kevan.org/brain.cgi?Porkmeister</a>

07-25-2006, 03:19 PM	#10
DragonSlayer25 Drow Warrior Join Date: January 17, 2002 Location: Umapine, OR Age: 36 Posts: 267	And just curious, where does diamond dust come from, and not the obvious "from cutting diamonds", but the first diamond dust. How could they make it without having any, way back when. __________________ It\'s like a whole other world<br />Where you can smell the food<br />But you can\'t touch the silverware.<br /><br />[url]\"http://kevan.org/brain.cgi?Porkmeister\" target=\"_blank\">http://kevan.org/brain.cgi?Porkmeister</a>

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