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Diamond that is harder than the kind you like

Garry H (Cut Nut)

Super_Ideal_Rock
Trade
Joined
Aug 15, 2000
Messages
15,869
This diamonds stuff will never be large enough for gemstones - it only occurs naturally as a result of meteor impact and in micro sizes.
Regular diamond bonds closer than other materials, in a kind of puckered shared electron covalent 4 bond system - this stuff is similar but not 'puckered' so the bonds are even shorter and stronger.

https://www.sciencedaily.com/releases/2016/12/161212101116.htm
 

DanJose

Rough_Rock
Joined
Dec 22, 2016
Messages
3
It wouldn't be very fair even calling this a diamond, like graphite and diamond aren't regarded as the same materiel even though the chemical elements are identical.
This would again be a completely different materiel.
 

Garry H (Cut Nut)

Super_Ideal_Rock
Trade
Joined
Aug 15, 2000
Messages
15,869
DanJose|1482784212|4109690 said:
It wouldn't be very fair even calling this a diamond, like graphite and diamond aren't regarded as the same materiel even though the chemical elements are identical.
This would again be a completely different materiel.
It does have a name - lonsdaleite, and its properties that we know are very much like diamond but probably better in most respects - but the specimens are too small to do a lot of testing with.
 
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