[meteorite-list] Estherville Crystal

From: tracy latimer <daistiho_at_meteoritecentral.com>
Date: Wed, 18 Jun 2008 17:02:00 +0000
Message-ID: <BAY115-W157DF7144E44E1F410B6A1CAAB0_at_phx.gbl>

 A couple of years ago there was a MPOTD of an Estherville slice with one end so full of olivine crystals it looked more like a rogue pallasite. Since I love pallasites, I sniffed around and got my own specimen from Impactica. Nowhere near as olivine rich, but it DOES have one translucent, nicely framed olivine crystal about 1/4" in diameter, so olivine crystals in Estherville are not unheard of.

Just my 2g,
Tracy Latimer

> To: Meteorite-list at meteoritecentral.com
> From: bernd.pauli at paulinet.de
> Date: Wed, 18 Jun 2008 15:47:57 +0000
> Subject: [meteorite-list] Estherville Crystal
>
> "i got an estherville that has a crystal about 3/8" across w/ a pronounced, highly
> reflective, (if not perfect) clevage plane. what type of mineral might this be?"
>
> If it is greenish and translucent, my vague guess would be pyroxene
> (hypersthene) but it's hard to tell without photos and close-up pics.
>
> This crystal might also be olivine!
>
> If opaque it might be a chromite crystal.
>
>
> Bernd
>
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Received on Wed 18 Jun 2008 01:02:00 PM PDT