[meteorite-list] I have found "life" in my CO3

[Göran Axelsson]

Could it be gypsum?

Oxidation of sulphides -> sulphuric acid, reacts with CAI and silicates 
-> CaSO4 = gypsum.

I have had a number of weathered  sulphide ore samples which have 
developed white patches on the surface after I have washed them. I don't 
know if it is gypsum on my specimens but I have always suspected it.

Thanks for sharing!

/Göran

Marcin Cimala - PolandMET wrote:

> Hello List

>

> Tooday I wanted to make some description for my new meteorites. When I 

> opened one of the boxes, something white almost eat me :)

>

> OK now seriously

> Here is my new MC058 CO3.x chondrite. I received it on end of august, 

> cut several slices and store it in cardboard box like all other 

> meteorites that wait for clasification. Tooday I wanted to make photos 

> and I have found large white crystals growing on both sides of two 

> slices.

> Wow, something fantastic.

>

> I remember I have similar things on my Ogrueil, but this one is much 

> more larger. Anyone know what it is ?

>

> I will leave them in box for next two months and lets wait if this 

> will still grown. But now there will maybe be too cold for them. 

> Anyway I will try to hold them undamaged even for next year.

>

> Have fun

> http://www.polandmet.com/_mc058.htm

>

> PS.

> I have for sale three large complete specimens of new CV3, 

> unclassified but propably paired with one of the lates CV's. TKW = 

> 1154g. Attractive low price. Specimens will be classified. For more 

> info please email me.

>

> -----[ MARCIN CIMALA ]-----[ I.M.C.A.#3667 ]-----

> http://www.Meteoryty.pl             marcin(at)meteoryty.pl

> http://www.PolandMET.com       marcin(at)meteorite.pl

> http://www.Gao-Guenie.com      GSM: +48 (793) kosmos

> --------[ Member of Polish Meteoritical Society ]--------

>

> ______________________________________________

> http://www.meteoritecentral.com

> Meteorite-list mailing list

> Meteorite-list at meteoritecentral.com

> http://six.pairlist.net/mailman/listinfo/meteorite-list

>