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WOW! Have you guys seen this one? I just came across it today:
http://www.ebay.com/itm/GOLD-NUGGETS-precious-metal-bullion-natural-gold-specimens-lot-collectors-invest-/321047015926?_trksid=p2047675.m1850&_trkparms=aid%3D333005%26algo%3DRIC.FIT%26ao%3D1%26asc%3D12%26meid%3D5718804570665512085%26pid%3D100011%26prg%3D1005%26rk%3D3%26sd%3D221016427335%26#ht_2609wt_892
"One 14.89$ purchase entitles you to:
ONE GRAIN weight of GOLD nuggets which will equal ONE or several GOLD NUGGETS."
There's about 480 grains in a troy ounce, so $14.89 x 480 = $7,147.20 an ounce!?
Phil
 
Check out the shipping! What's 2 grains worth of gold to you? :shock:

SHIPPING & HANDLING CHARGES -

Any order or sale under 25$ we can accept to ship without a tracking number : $4.25 Canada / $5.25 United States.

$6.50 overseas.

All orders 25$ and up ( 2 grains ) must be shipped registered mail with insurance at the following costs:

Shipping within all Canadian provinces: 12.25$

Continental USA - US$17.50

Overseas -18.85$
 
Palladium said:
Check out the shipping! What's 2 grains worth of gold to you? :shock:

SHIPPING & HANDLING CHARGES -

Any order or sale under 25$ we can accept to ship without a tracking number : $4.25 Canada / $5.25 United States.

$6.50 overseas.

All orders 25$ and up ( 2 grains ) must be shipped registered mail with insurance at the following costs:

Shipping within all Canadian provinces: 12.25$

Continental USA - US$17.50

Overseas -18.85$


At that rate it would be cheaper to mine for gold im middle of the freeway!
 
Take a look at this auction:

http://www.ebay.com/itm/251232247604

He's selling 4 spools of this gold bonding wire (260 feet X 1 Mil diameter) in separate auctions. Based on that online Salt Lake Metals wire and sheet calculator, each spool only contains 0.7754 of a Gram of gold. Wow that's hard to believe it amounts to so little? I know the sheet portion of the calculator doesn't agree with the formulas I've seen here that closely, but it's not extremely far off. So I assume the wire portion of the calculator must be somewhat accurate also. I'm wondering though does anyone know what the BL and EL specs in the auction photo and listing indicate?

macfixer01
 
Palladium said:
EL = Elongation expressed as a (%)

Bl = Breaking Load expressed as grams (g)


Ok that makes perfect sense. Those specs definitely would be a concern since the die to package wiring process is all machine automated.

Thanks Palladium!
 
macfixer01 said:
Take a look at this auction:

http://www.ebay.com/itm/251232247604

He's selling 4 spools of this gold bonding wire (260 feet X 1 Mil diameter) in separate auctions. Based on that online Salt Lake Metals wire and sheet calculator, each spool only contains 0.7754 of a Gram of gold. Wow that's hard to believe it amounts to so little? I know the sheet portion of the calculator doesn't agree with the formulas I've seen here that closely, but it's not extremely far off. So I assume the wire portion of the calculator must be somewhat accurate also. I'm wondering though does anyone know what the BL and EL specs in the auction photo and listing indicate?

macfixer01
Not that hard to believe, a flat pack (north bridge chip type) could contain up to a meter of gold bonding wire (400 pins, 2.5 mm each thread) and you need quite a lot of them to get a gram of gold.

Göran
 
Palladium said:
:arrow: :arrow:


Thanks Palladium for some very nice information on gold bonding wire.

To g_axelsson, I shouldn't have said it was hard to believe. I only meant that despite what we've all read, it still boggles the mind just how extremely ductile and malleable gold really is when you see an example like this.

macfixer01
 
My all time favorite was an eBay auction that I saw a while back where, apparently, several idiots met. It was for a junk costume jewelry ring clearly marked 18k HGE, which the seller clearly stated meant HEAVY GOLD ELECTROPLATE, and yet several bidders had pushed the price over $100! I don't know what it ended at, but that seller must have been pleasantly perplexed.
 
Check this out, even by there xrf or what they used it is like what? 50 or 60 bucks in values?

http://www.ebay.com/itm/Gold-Silver-Copper-Nickel-Palladium-Platinum-Rhodium-Scrap-911-35-dwt-w-Assay-/151012522283?pt=LH_DefaultDomain_0&hash=item23290c392b
 
Platdigger said:
Check this out, even by there xrf or what they used it is like what? 50 or 60 bucks in values?

http://www.ebay.com/itm/Gold-Silver-Copper-Nickel-Palladium-Platinum-Rhodium-Scrap-911-35-dwt-w-Assay-/151012522283?pt=LH_DefaultDomain_0&hash=item23290c392b


If I'm interpreting it correctly, it looks like $117.50 just in gold value. 911.35 x .0025 (0.25%) = 2.28 Grams of gold. The majority of course is copper, but there is the platinum, silver, and rhodium value to consider also.

I don't know much about XRF, but shouldn't the contents add up to 100% though? Are there metals it can't identify?

macfixer01
 
macfixer01 said:
Platdigger said:
Check this out, even by there xrf or what they used it is like what? 50 or 60 bucks in values?

http://www.ebay.com/itm/Gold-Silver-Copper-Nickel-Palladium-Platinum-Rhodium-Scrap-911-35-dwt-w-Assay-/151012522283?pt=LH_DefaultDomain_0&hash=item23290c392b


If I'm interpreting it correctly, it looks like $117.50 just in gold value. 911.35 x .0025 (0.25%) = 2.28 Grams of gold. The majority of course is copper, but there is the platinum, silver, and rhodium value to consider also.

I don't know much about XRF, but shouldn't the contents add up to 100% though? Are there metals it can't identify?

macfixer01
There are metals that XRF can't identify, but in this case I just think it was set up just to assay the metals in the report.
What you have to keep in mind is that XRF is only skin deep, it tells you nothing about the core of the object, and in this case I have no idea of what we are looking at, it could be filled with concrete as far as I know or just gold plated, it doesn't look like it is a result from a melt.

Göran
 
macfixer01 said:
If I'm interpreting it correctly, it looks like $117.50 just in gold value. 911.35 x .0025 (0.25%) = 2.28 Grams of gold. The majority of course is copper, but there is the platinum, silver, and rhodium value to consider also.

Its funny how small numbers to people make them think it has no value. I was calculating with another member some silver that was XRF as 97% Ag and .84% Au rest base metale and it was for 25#. the gold turned out to be around 95g that wan nearly half of the silver value. now the XRF could have been wrong in the way it was mixed but some gold was in it and it would have come out for someone and it was being sold as silver scrap.


macfixer01 said:
I don't know much about XRF, but shouldn't the contents add up to 100% though? Are there metals it can't identify?

More than likely Iron just not in the readout. if it was done at a scrapyard it would have been there or at least not called Kscrap it might have been there too.

Eric
 
macfixer01 said:
Take a look at this auction:

http://www.ebay.com/itm/251232247604

He's selling 4 spools of this gold bonding wire (260 feet X 1 Mil diameter) in separate auctions. Based on that online Salt Lake Metals wire and sheet calculator, each spool only contains 0.7754 of a Gram of gold. Wow that's hard to believe it amounts to so little? I know the sheet portion of the calculator doesn't agree with the formulas I've seen here that closely, but it's not extremely far off. So I assume the wire portion of the calculator must be somewhat accurate also. I'm wondering though does anyone know what the BL and EL specs in the auction photo and listing indicate?

macfixer01

I like simple-to-memorize factors. This one is only about 1% in error. Figure about 2 miles (10,560 ft) of 0.001" wire per troy oz of gold. For .0007" wire, it's about 4 miles.
 
macfixer01 said:
If I'm interpreting it correctly, it looks like $117.50 just in gold value. 911.35 x .0025 (0.25%) = 2.28 Grams of gold. The majority of course is copper, but there is the platinum, silver, and rhodium value to consider also.

I don't know much about XRF, but shouldn't the contents add up to 100% though? Are there metals it can't identify?

macfixer01


The weight of this was measured in penny weights, my math says there would be just over 3.5 grams of gold.
 
its-all-a-lie said:
macfixer01 said:
If I'm interpreting it correctly, it looks like $117.50 just in gold value. 911.35 x .0025 (0.25%) = 2.28 Grams of gold. The majority of course is copper, but there is the platinum, silver, and rhodium value to consider also.

I don't know much about XRF, but shouldn't the contents add up to 100% though? Are there metals it can't identify?

macfixer01


The weight of this was measured in penny weights, my math says there would be just over 3.5 grams of gold.
[/quote][/quote]



Yes you're correct of course, my mistake. I totally missed seeing the DWT and assumed the weight was in Grams. The values would all be times 1.55 so someone got a good deal for $299.

macfixer01
 
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