Re: ATM RE: Barnesite

[edwski <edwski@comcast.net>]

Actually BARNesite is a vanadium compound
http://www.webmineral.com/data/Barnesite.shtml.
BASTNesite (Bastnesite-(La)*  (La,Ce,Nd)CO3F) is the rare earth ore that has
CeO and other funky elements in it.

Enjoy the sky
Ed Witkowski

ed witkowski
----- Original Message -----
From: "CSC" <optic@gwi.net>
To: "Atm" <atm@shore.net>
Sent: Monday, June 03, 2002 8:51 AM
Subject: ATM RE: Barnesite


>
> Bill:
>
> I see it listed in the Universal Photonics (1997) Catalog as part #
BB0018:
>
> "The 'original' pitch polishing compound.  For critical optical surface
> preparation to exacting government specifications.
> Works well with all pitch mixtures to produce brilliantly polished
> surfaces."
>
> Our club inherited about 50# of the stuff.  I'll send you a sample if
you'd
> like to try some.  U.P. is in Hicksville, N.Y. at 516-935-4000, and sells
> only to commercial optical shops, etc.  They'll give you a price, and if
> this stuff is worth having, as I think it is, maybe someone can order and
> distribute some.
> I think the rare earths in the formula are EPA regulated, and are out of
> favor.  I read a note on the list here that it is 95% CeO.  It's rusty
> brown, so your guess is as good as mine what else is in it.  Thorium?
> Unobtanium?
>
> Colin
>
> -----Original Message-----
> From: Bill Kelley [mailto:flex@commspeed.net]
> Sent: Sunday, June 02, 2002 11:43 PM
> To: CSC
> Subject: Re: barnesite
>
>
>
>  Hey Colin-
> Where in the heck can you get barnesite?
> Bill Kelley
>
>
>
>