[Rockhounds] Mineral ID

[Kreigh Tomaszewski]

Looks like Palygorskite to me. https://www.mindat.org/min-3072.html

On Mon, Feb 5, 2018 at 11:15 AM, Tim Fisher <nospam at orerockon.com> wrote:

> I'm hoping one of the mineral gurus here can help me with a mystery. I
> helped sort through part of an old rock collection on Saturday (most of the
> wrapping newspapers were dated in the 70s) and came across hundreds of
> specimens that I can't identify (which is most minerals lol). They were
> from
> the estate of a rock, mineral, and shell hoarder. A couple really stood
> out,
> I have a half decent photo of one of the best of them (I had very little
> time to sort through and repackage hundreds of pieces). It's fibrous, dull
> luster, creamy white, and incredibly fragile. Looks like an angel wing. It
> was packed in a box in cotton balls and I still managed to break off a few
> of the fibers. Shopping it around I got fibrous sepiolite and Ram's horn
> selenite as possibilities. Maybe 10% of them were in perky boxes with
> labels, most were wrapped in paper towels or tissue paper and thrown into
> the box. Not to mention that I realized to my horror that some people were
> unwrapping the specimens and throwing away the boxes L We only sorted
> through 30 of 108 boxes so there's undoubtedly more to come. Our rock club
> is selling the collection for the family of I'm concerned that we'll end up
> practically giving them away to people who will generally have no idea what
> they're looking at. I'm thinking Ebay is a better place to sell the best
> ones (just guessing there are 20 or so that stand out to me from this first
> run). This is as close as I can come online, it's identified as fibrous
> sepiolite.
>
>
>
> https://farm8.static.flickr.com/7113/7842703084_595691a69c_b.jpg
>
>
>
> Tim Fisher
>
> Orerockon.com
>
>
>
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