[meteorite-list] Elbogen

From: Matteo Chinellato <mcomemeteorite2000_at_meteoritecentral.com>
Date: Thu Apr 22 09:46:22 2004
Message-ID: <20010508210305.4534.qmail_at_web10304.mail.yahoo.com>

Dear Bernd

Thanks for all.....you are a very big database.
Regards

matteo

--- Bernd Pauli HD
<bernd.pauli_at_lehrer1.rz.uni-karlsruhe.de> ha scritto:
> Matteo Chinellato wrote:
>
> > I search the complete history of the
> > Elbogen meteorite. Thanks for the help.
>
>
> Hello Matteo and List,
>
> Here is an excerpt from Buchwald:
>
> BUCHWALD V.F. (1975) Handbook of Iron Meteorites,
> Volume 2, pp. 557-560:
>
> Elbogen, Bohemia, Czechoslovakia
> Medium octabedrite, Om.
> Group IID
> 10.25% Ni, 0.64% Co, about 0.3% P, 74 ppm Ga, 87 ppm
> Ge, 14 ppm Ir.
>
> The whole mass has apparently been reheated to about
> 950°C in medieval
> blast furnace.
>
> History
>
> A mass of 191 Pfund (probably Viennese, equal to 107
> kg) and in the
> shape of a horsehead, was preserved for centuries in
> Elbogen before it
> was recognized as meteoritic by Professor K.A.
> Neumann of Prague (1812).
> He collected some important historical data, and
> Chladni added some
> observations, but in essential respects our
> knowledge is limited by the
> fact that war and accidental fires have repeatedly
> destroyed the
> archives of Elbogen, the present day Loket, 10 km
> west-southwest of
> Karlovy Vary (Carlsbad). A summary of Neumann's
> information follows.
> The population of Elbogen recalled several stories
> in connection with
> the iron. It was supposed to date back to a time
> when Elbogen Castle was
> the seat of the deputy of the Emperor (Burggraf); if
> this is correct, it
> must date back to about 1350-1430, since this was
> the only period when
> the castle was so used. On one occasion the hated
> Burggraf, upon
> summoning his serfs to service, was transformed to a
> piece of iron, or,
> as some thought, a bell-bronze. This piece of iron
> is the meteorite
> Elbogen which, since that time, has also been called
> "Der verwünschte
> Burggraf" or "The bewitched burgrave." The mass was
> preserved in the
> basement of the castle, and it was believed that if
> by some misfortune
> it was removed, it had the power to come back again.
> To disprove this
> tale, and to annoy the Bohemians, the French
> occupation army in 1742
> threw the mass into the 22 klafter (= 40 m) deep
> well of the castle. It
> remained here until 1776 when the well had dried
> out, making the mass
> comparatively easy to get hold of. It was then
> transferred to the town
> hall (Rathaus), in the basement of which Neumann
> found it among other
> antiquities. In a casual but important remark,
> Neumann stated that it
> was believed the mass could not be melted; attempts
> in the blast furnace
> (Hochofen) had at any rate been unsuccessful.
> Various early analyses showed from 2.5% (Klaproth,
> about 1810) to 8.5%
> Ni (Berzelius 1834), sufficient to remove any doubt
> as to its meteoritic
> origin. Widmanstätten showed the octahedral
> structure to be present, and
> this is the first published mention of these etching
> figures (Neumann
> 1812). The first application of the term
> "Widmanstätten figures" was
> made a year later by Schweigger (1813) in a note
> based on information
> supplied by Neumann. Schreibers (1820) published a
> "nature print," made
> using an expensive and time consuming technique. A
> finger-ring and two
> cubes of Elbogen material were cut and polished and
> used as a
> title-vignette by Schreibers (1820). As pointed out
> by C.S. Smith
> (1962), the Widmanstätten structure of Elbogen was
> also observed and
> discussed by Laumont (1815) who had acquired
> material and some
> information from Schreibers. Chladni (1819), in
> discussing the
> structure, mentions that he forged a small knife
> with a beautiful damask
> from Elbogen material. This knife, a scalpel 8.5 x
> 0.8 x 0.3 cm (5 g),
> is still preserved in the Berlin museum (Humboldt
> University).
> The mass was divided in 1812; 140 or 150 Pfund came
> to Vienna, while the
> thinner "muzzle of the horse-head" weighing 40 Pfund
> remained in Elbogen
> (Schreibers 1813). This piece was further divided at
> a later date. Today
> the remaining sample in the Elbogen Rathaus only
> weighs 14.3 kg.
>
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=====
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Received on Tue 08 May 2001 05:03:05 PM PDT


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