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Old 03-20-2017, 03:09 PM
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ToddB64 ToddB64 is online now
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Default Testing Jewelry Value Before Selling.

Hi

Perhaps you are already performing tests on your Jewelry before selling to have an idea of what constitutes a fair return from pawn shops, metal recyclers, etc..

Or maybe you are thinking about getting started with the ubiquitous acid test kit.

Maybe later on, if you're interested in Science and Math, graduating to other types of tests, such as water testing for Density and comparing the results to a "Periodic Table" Density column, or using a Graduated Cylinder to determine Volume, or an Electronic pocket scale to get the weight of an item.

A couple of the things I have discovered are listed below and if you are interested in science and math like myself, might be of help if you didn't know.

There is a correlation between Mass and Weight.

Gravity does contribute to weight and the affect of gravity on weight varies with your particular location on the earth.

To all you Physics Profs. out there, my knowledge in Science and Math are limited; no College degree. I am self-taught and my interest over the past 75 years has caused me to do a lot of research and reading on various technical subjects and I have always had a strong desire to "lift up every stone" in an attempt to find answers.

Much of my research has been done on the Internet and due to my average intelligence and memory, I make hard copies of anything important and useful and keep those in file folders tab-marked by subject. I may not remember something, but usually know where to find it.

To wrap up this post I'll just say, if you would like to discuss or comment on this subject, feel free to reply or drop me a PM.

Thanks,
ToddB64

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Old 03-21-2017, 10:36 AM
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Yep! seriously...As detectorists...We really gotta know what our finds intrinsic, numismatic, or weight values are!...Its a whole nother dynamic assessing such vagarities and maximizing our skill and effort afield!.....and it may not be static either! Constantly changing with the whims of the populace! For Instance, I sold a tungsten ring to a guy last Fall...He gave me $60 for it!...It aint worth no more than a 10c tungsten drill bit to me.!..Sunglasses are big money, if they are brand names and in fashion...Abandoned beach towels are huge money! HotWheel cars are an easy 25c each! See?

Just try to get $60 selling a gold ring to the general populace! Yet, for a really nice looking Tungsten, All Day Long! Forget even pitching a Silver David Yurman!...a bastard metal ear lobe plug is an easy $20 now a days...a friggin vape stick is $50!

Most People have no idea about PM values...try to buy a candy bar with a 1921 Peace dollar down at the local store! The damn kid will not know what to do! So dont cast your pearls before swine...keep the good stuff, off load all the rest for what the market will bear..We cant save or educate them all..its just too much work for the payback.....

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Old 03-21-2017, 02:07 PM
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Default Testing Jewelry Value Before Selling.

Mud-puppy,

Thanks for sharing your sage knowledge and advice with us !

ToddB64

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Old 03-21-2017, 05:33 PM
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Originally Posted by ToddB64 View post
There is a correlation between Mass and Weight.

Gravity does contribute to weight and the affect of gravity on weight varies with your particular location on the earth.
Absolutely. Mass is an inertial property of matter, whilst its weight is a measure of the force exerted on it by gravity, or the force you'd need to hold the item steady, in the presence of gravity. If there is no gravity, there'd be no weight, but there would still be mass.

Gravity does differ at different point on earth. An object placed on top of Mount Everest would weight measurably less than it would at sea level.

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Old 03-21-2017, 06:45 PM
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Default Testing Jewelry Value Before Selling.

Rudy,

Thanks for sharing your knowledge !

Regarding your comment "Mass is an inertial property of matter", I'll just add that Mass is also an inherent property of matter.

ToddB64

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Old 03-21-2017, 08:22 PM
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Originally Posted by ToddB64 View post
Mud-puppy,

Thanks for sharing your sage knowledge and advice with us !

ToddB64
Thank you for recognizing! We are long hunters..subsistence Humans... 'values' of items are not static..depending on societal trends, weather, etc...

So a guy goes out and hunts...here, theres a 10c deposit value on empty cans..a guy can make pay at that, just pulling pots and making the grind...

Now....Imagine what a standard sized Bic Lighter would be worth back in the 1800's?

Imagine what it would be worth today to a rich guy who somehow got caught outside for the night on a Alaskan salmon river and is about freezing to death?

The weather came in, and the damn float plane couldnt make it back in for the pick up? Yeah...a Bic Lighter...very valuable item when the Sun is going down and your life is on the line...


Yeah...values of our finds are not static and are situational..What good is a massive Swiss bank account when you need to make a fire on a river bank someplace?? Bic Lighters...you always gotta have one..or a Mag block...No matter what..

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