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Re: question



hummer marchand wrote:
> Question,
> is the presence of vesicles in a sample of material conclusive evidence of non-meteoric origin?  I have been told that only very tiny vesicles have occured in one or two meteorites..
> Thanks,  Hummer Marchand
Dear Hummer,
	Since no one else seems to be answering your letter, I will add my 2
cents: 
	Ibitira has the largest visicules of which I am aware. However, Mt.
Tazerzait (Aug. 21,1991, Niger, Africa - Choldrite, L5)
has destinct vesicules, as does its supposed "twin," the name of which
currently escapes me.
	The last I heard, Swiss Meteorite Lab was offering Mt. Taz. at, what I
consider to be, an astonishingly low price, though it has gone up
somewhat (Last I paid was something like $4.40g - first time I got it,
it was $2.80g)
	Also, Michael Casper still has some Ibitira, the last I heard. This is
an increadable meteorite, only 2,500g TKW, GIANT vesicules - just
totally killer. $200g was the last price I heard. 
	I expect both Ibitira & Mt. Taz. to dramatically increase in price as
soon as their respective owners have sold out.
	Hope this was of interest. Perhaps Frank Stroik, Ron Balke and/or
others in this letter can add a few other know vesiculated meteorites???