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Offline GoldDigger1950
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« Reply #30 on: October 14, 2009, 12:46:48 am »
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Quote:Posted by tabdog
Here,

read this.

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http://www.jewelrygenius.com/tarnish.html


I guess you are over their heads too???

Why can you not let it go?

Lucky did not ask for this.

If he did, I am wrong.

Happy Huntin,

Tabdog


This may startle you but if you read the entire site, you will find that it agrees with me 100%. It's not ME, by the way, but metallurgy you are arguing with. And, by arguing, it is YOU who is hijacking this thread.

In order to oxidize, the alloyed metals MUST leach from the gold. When they are in a bond with gold, they do NOT tarnish or oxidize.

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Offline luckypTopic starter
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« Reply #31 on: October 14, 2009, 06:05:35 am »
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Thank you Tabdog for posting that link which resume exactly what I am saying.Pure gold does not corrode  but the alloy part does.I have no ressentement.Expressing an opinion in a forum even if you are wrong that what a forum is all about.

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Offline GoldDigger1950
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« Reply #32 on: October 14, 2009, 06:36:40 am »
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Quote:Posted by luckyp
Thank you Tabdog for posting that link which resume exactly what I am saying.Pure gold does not corrode  but the alloy part does.I have no ressentement.Expressing an opinion in a forum even if you are wrong that what a forum is all about.


Metals used with gold to form alloys have valence level bonding that does not allow corrosion or oxidation. Period. Why do you think they select the metals they do? Copper, silver, brass and not zinc, lead or tin? There's a reason for that Luckyp, and you are simply not understanding it.

Look, mate, don't take it personal. When I asked if you were sure it wasn't plated because I and others noted the scratches, you explained it. What that did was change the answer completely. That's all that should have happened. Instead, we see a few guys who think they know more than metallurgists know finding a web page that actually proves what I said but somehow convincing themselves that it doesn't. The metals in alloy with gold MUST leach out before they can react. They do NOT react or tarnish while they are in alloy with gold. The metals used to alloy with gold are chosen for that very reason as alloy metals. It's a subatomic bonding and there is no room for oxygen in that bonding. None at all.

Do you know another metal that will bond with gold at room temperature? Mercury. Miners know this. To them it's a tool. How do you remove that bonded mercury? It's not easy and failing to do it right can kill you. The mercury is, however, bonded just like an alloy metal.

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« Reply #33 on: October 14, 2009, 07:39:26 am »
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Gp you crack me up with mercury hehe those that remember Errol Flynn might also know the Kiwi con man went to New Guinea looking for gold and he relied on locals to help him find it.
He paid them by the month, crafty bugga because he needed the time and after a month he did pay his workers too.
He used a pot of mercury into which he dipped 1/2 penny pieces turning the copper coins into nice shiney silver looking shillings.
Having paid his workers off he made a hasty exit before he was found out and the natives took thier revenge on him.
Yes Mercury is a miners tool used to amalgamate gold with mercury and it will be found on any crusher of stamping machine.
The mercury comes off in the smelting process and the fumes from it are very dangerous.  Many rivers in Australia contain certain levals of mercury especially in gold mining areas.   

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Offline luckypTopic starter
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« Reply #34 on: October 14, 2009, 10:30:47 am »
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Yes you and fews others gave me an answer that made me in doubt that it was gold plated.So back to step one.
New polishing at 15.000rpm for 2 minutes
Buffering at  35.0000rpm for 3 minutes.
Test electronic mizar good for 14k.
Test acid with stone good for 14k.
You will see by the new picture that there is no scratch and the color is what white gold should be.
Also clearly mark inside ARTCARVED 14K.Looking on google this manufacturer has been in business since 1850.
In that case having established clearly that it is 14k how do you explain the color of the first picture if there is no tarnish?
By the way I want to thank you Alan for the great article on beachcombing that I read a long time ago.I learned a lot particularly on movements of the waves.I use your advises by going on a surfer site called magicseaweed.

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« Reply #35 on: October 14, 2009, 10:41:10 am »
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Quote:Posted by Alan Hassell
having had a good look at the pictures i have to agree with GD because if you look closely you will see the flakes of gold plating that are left the rest is base metal which in this case could be brass as is often the case with cheap junk jewellry, especially stuff of a religious nature.  The old monks were the biggest crooks and con artists that women created to put a curse on the unsuspecting individual and deprive that person of his wealth.

That women created?  Are you seriously disturbed?  Or just have major issues with mummy?

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« Reply #36 on: October 14, 2009, 02:01:12 pm »
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Ok!

Ive pulled gold rings from the salt of the ocean 14k that came out a bit dark.

It would rub off with a soft cloth.

Ive pulled gold nuggets that are dark and had deposits of other elements on them.

Had to acid wash them to clean them up.   They came out 85% Gold, 10% Silver, 3% Copper and balance other.


I found a 14K ring on a football field that came out stained black I think because of all the lime used on the field.

It washed off with soap and water and a soft cloth.

May be your ring was allowed with something other then Industry standards.  Say May be lead or Tin?



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Offline luckypTopic starter
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« Reply #37 on: October 14, 2009, 02:14:55 pm »
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Thinking of it I found it in an area called the Long-Island sound which is not the ocean.Sometimes and depending the time of the year, the beaches,the sand have a rusty color.By your remarks homefire I think that perhaps it was a coating of that color.

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« Reply #38 on: October 14, 2009, 02:28:12 pm »
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Quote:Posted by luckyp
Yes you and fews others gave me an answer that made me in doubt that it was gold plated.So back to step one.
New polishing at 15.000rpm for 2 minutes
Buffering at  35.0000rpm for 3 minutes.
Test electronic mizar good for 14k.
Test acid with stone good for 14k.
You will see by the new picture that there is no scratch and the color is what white gold should be.
Also clearly mark inside ARTCARVED 14K.Looking on google this manufacturer has been in business since 1850.
In that case having established clearly that it is 14k how do you explain the color of the first picture if there is no tarnish?
By the way I want to thank you Alan for the great article on beachcombing that I read a long time ago.I learned a lot particularly on movements of the waves.I use your advises by going on a surfer site called magicseaweed.
Cleaned up nice

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Offline GoldDigger1950
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« Reply #39 on: October 14, 2009, 05:07:26 pm »
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That ring is a real beauty! Well done.

Regarding water near the ocean, some places where the water is combined fresh and sea water mixed are called 'brackish' and in my experience have the absolute best fishing in the world! Back Bay in Virginia near Oceana is a fabulous bass fishing spot. When used as a swimming spot, the calm waters make it a great place to hunt in the water later.

This salt content, of course, does make it harder to determine how long an item was in the water. Depending on tides, the water can be really salty one day and nearly clear of salt on the next. This will complicate your estimate if you are still trying to make a guess about how long it was in the water.

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It's all about that moment when metal that hasn't seen the light of day for generations frees itself from the soil and presents itself to me.
Let's Talk Treasure!
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