Errata: Boron NITRIDE ( BN) not nitrATE (B(NO3)3)--(Bad spell checker-- Bad, bad!)
On 7/1/12, MstrEman <mstre...@gmail.com> wrote: > Not taking from what Pete said, lonsdalite isn't a newly identified > mineral, per se. It has been around a few years but the explanation as > to how both types of crystals formed "during entry" is bogus. Boron > nitrate may or may not be formed on exposure to atmospheric > nitrogen-- but it would only be on the surface and not in the > interior. > > I haven't read the background on boron nitrate's formation > conditions but I can't imagine a scenario that could impart any > nitrogen into the COLD interior during entry. Either way the text for > this report doesn't pass the smell test. > > As to lonsdaleite, "entry pressures" short of cosmic velocity impact > with the ground are not high enough to create this polymorph of > carbon. It is far more probable that lonsdalite is literally burned up > in the presence of atmospheric oxygen as fast as it is uncovered. > > Lonsdalite is the mineral form found in carbonados. Its pentamount > hardness is why drill bit manufacturers had to embed them uncut > directly in the the bit casting. Until the recently found technique > cutting/burning with a laser, there was nothing that could cut them. > > Another case of a out of work sports writer moonlighting as a science > writer perhaps? If this is the researcher's real belief then he is > advocating a whole new arm of physics/chemistry. > > Elton > > On 6/30/12, pshu...@messengersfromthecosmos.com > <pshu...@messengersfromthecosmos.com> wrote: >> Hello list, >> The implications of these findings are, to say the least, staggering. >> has this been confirmed in other Ureilite meteorites? Such as Novo Urie, >> >> or others? >> For years, diamonds were the standard of hardness, and now that's >> all out the window!!!! >> Pete > ______________________________________________ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list