Hi Mike & List
It is actually ferrosilicate which is formed by quenching smelter products in 
cold water.....AKA slag. It is sometimes ground up and used as an abrasive. It 
usually comes in 50 lb bags. My guess is lots of list members have used it to 
sand blast paint & rust off cars and other large items before painting. It's 
the really black shiny stuff.
In his description he was probably referring to ferrosilite (Fs) in Lunar 
meteorites. This along with fayalite (Fa) is used to determine the H, L, or LL 
type for ordinary chondrites.
If somebody wants to tell him it is worth very little go ahead.
Mike

--
Mike Jensen IMCA 4264
Bill Jensen IMCA 2359
Jensen Meteorites
16730 E Ada PL
Aurora, CO 80017-3137
303-337-4361


> Now, I am not an eBay cop, but this was emailed to me, and I find it funny 
> enough to post here.
> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=6513116408
> 
> This guy actually says that Dhofar meteorites are from Ukraine.
> It seems he has taken about every keyword in meteorites and mixed it all up 
> in this pathetic excuse for a meteorwrong.
>  Go get em coppers.
> Mike Farmer 
> 
> 
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