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How to sharpen a knife properly 2010CE , 2010 BCE

Von: kangarooistan (kangarooistan9@gmail.com) [Profil]
Datum: 04.06.2010 16:44
Message-ID: <dd5dc0bd-1d9c-4cbb-bf0d-7eea818320fd@34g2000prs.googlegroups.com>
Newsgroup: alt.archaeology alt.historysoc.culture.egyptian sci.archaeology
How to sharpen a knife properly 2010CE
http://www.instructables.com/id/How-to-sharpen-a-knife-properly/.

2010 BCE , all metal WAS very much  more valuable
http://www.digitalegypt.ucl.ac.uk/tools/chisel.html
http://picasaweb.google.com/kangarooistan9/VitrifiedSedimentryMudstoneToolSharpeningStone#
5478147260328737314
Molten filings can be recovered easily , and always have been
http://picasaweb.google.com/kangarooistan9/NuggetsSouthAustralia#5477453137650527762.
.
The Color of GOLD varies heaps , see wiki link
Different colors of Ag-Au-Cu alloys
http://en.wikipedia.org/wiki/File:Ag-Au-Cu-colours-english.svg
PURE , Gold dust,  extracted by Aqua Regina
http://en.wikipedia.org/wiki/File:Golddust.jpg
http://picasaweb.google.com/kangarooistan9/NuggetsSouthAustralia#5477453137650527762
.
Common colored gold alloys such as rose gold can be created by the
addition of various amounts of copper and silver, as indicated in the
triangular diagram above link.

Alloys containing palladium or nickel are also important in
commercial jewelry as these produce white gold alloys.

Less commonly, addition of manganese, aluminium, iron, indium and
other elements can produce more unusual colors of gold for various
applications.[4]
.

Interesting shapes can be seen in Californian gold nuggets
http://en.wikipedia.org/wiki/File:Nugsrandt.jpg
Native gold Nuggets
http://en.wikipedia.org/wiki/File:Native_gold_nuggets.jpg
.
The famous " welcome stranger , was very big
http://en.wikipedia.org/wiki/Welcome_stranger
"Welcome Stranger" was the name given to the largest alluvial gold
nugget found in the world, with a calculated refined weight was 2,283
oz 6dwts 9 gr.[1]

It measured 61 cm (24 inches) by 31 cm (12.2 inches), and was
discovered by John Deason and Richard Oates at Moliagul, Victoria,
Australia  on 5 February 1869 about 9 miles north-west of Dunolly.
Found only 2 inches (5 centimetres) below the surface on a slope
leading to what was then known as Bulldog Gully. Its gross weight was
3523.5 troy ounces, the trimmed weight was 2520 troy ounces, and net
it weighed 2315.5 troy ounces or 72.02 kg.
The goldfields warden F. K. Orme reported 2268 ounces 10 dwt 14
grains (70.5591 kg) of smelted gold obtained from it (97.9% of the
total weight), irrespective of scraps that were given away by the
finders, estimated as totalling another 47 ounces 7 dwt.

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