I'd love to chime in here.
For example, as NWA 801 is already in my collection the 5gr range, I just
purchased an ebay slice ~4cm across with multiple metal armored/rimmed
chondrules and a huge surface area/weight ratio (it has become the fifth
NWA801 in my collection, for the sole purpose of chosing later the one to
keep)...when I weighed it, I was a bit shocked at it's 0.5 gram
weight....but wait, there's more.
In my limited experience strictly as a collector, a larger
surface-area-to-weight ratio gives me the best x-section to view. Yet, it
restricts my ability to ever re-sell it by weight, since it would be
fabulously over-priced. So I guess it becomes an aesthetic thing. (can you
imagine $200/gr for 801??!)
I know that recently this has been discussed on the List ("not mentioning
weight, so how I pay without disclosing the denomination")...(Hi Luci)...I
digress, but still, it is an amazing preparation, and I am pleased to have
it.
The Kainsaz slice I also bought from this same entitiy is so thin that it is
transluscent....(I tried XPL, but no birefringence)....so for what it's
worth, this will remain a debate? I think when we buy by weight, somewhere
in the back of our heads $-resale-value comes into play. If that isn't a
concern, by all means, buy what you like by dimension. If analysis is in
play, well, I know you real scientists will have something to say.
Richard Montgomery
-Goldierocks-
----- Original Message -----
From: "Thunder Stone" <stanleygr...@hotmail.com>
To: <meteorite-list@meteoritecentral.com>
Sent: Friday, February 11, 2011 2:51 PM
Subject: [meteorite-list] Surface Area or Weight
All:
I think this may have been discussed on the list in the past, but I'm not
sure.
When it comes to meteorite’s value (especially rare types) is the value
based solely on the weight of the specimen? Or can the total surface area be
a factor?
Take this as an example:
Say you have 1 gram specimen of a rare type (perhaps planetary) which is
cubed shaped and relatively small, and the second is 0.50 grams and is cut
very thin, so it has a very large surface area and is very visually
esthetic; how would they compare in value?
I know complete stones may be more, and specimens with nice fusion crusts
are also more, so there are cases where the same weight may have different
values.
I'm just curious,
Greg S.
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