Silver Metal Shavings Test
This method of testing involves you opening up the unknown silver piece, taking metal shavings from the inside and applying acid directly to them when you suspe... Read More...
Experience Watchmaking & Jewelry Repair
Jewelry Making & Repair
Silver Inside Metal Streak Test
For this method of testing silver that you suspect of being plated or of a different value than your initial tests suggested, you will test it much the same way... Read More...
Inside Gold Metal Streak Test
For this method of testing gold that you suspect of being 10 karat value gold or less, you will test it much the same way you test gold non-destructively with t... Read More...
How to Test for Platinum
Gold isn’t the only metal you might find yourself in a position to buy. You may find yourself confronted with people wanting to sell platinum. Use this guide to... Read More...
How to Test for Palladium
Gold isn’t the only metal you might find yourself in a position to buy. You may find yourself confronted with people wanting to sell palladium. Use this guide t... Read More...
Gold Metal Shavings Test
This method of testing involves you opening up the unknown gold piece, taking metal shavings from the inside and applying acid directly to them when you suspect... Read More...
Direct Acid White Gold Test
If you are not getting results you trust from a streak test for your white gold, or maybe the metal was attracted to the magnet before but you are sure that it ... Read More...
Direct Acid Silver Test
This method of testing involves you applying acid to a small cut in the metal of the unknown piece you suspect of being some type of silver. You will test the m... Read More...
Direct Acid Gold Testing
This method of testing involves you applying acid to a deep cut in the metal of the unknown piece you suspect of being 10 karat gold or less. Remember, you can ... Read More...
Basic Silver Metal Streak Test
Compared to gold testing, silver testing is very simple and straight forward. In this test, you will use a testing stone to test the surface silver content of a... Read More...
Basic Gold Needle Scratch Test
In this test, you will use a testing stone to test the surface gold content of an item. This test will give you a loose idea of whether or not the item you are ... Read More...
Testing Gold, Silver and Precious Metals
Have you ever wondered how much your jewelry or flatware is worth? Don't have someone to trust to accurately value your precious metal items and would like to D... Read More...
Why Choose Platinum?
Platinum is among the finest, purest and rarest precious metals. One of the strongest and most enduring of metals, it is also one of the heaviest: a piece of je... Read More...
Common Questions about Platinum
Why is platinum's purity important to me?
Platinum, one of the world's strongest metals, is hypoallergenic, tarnish-resistant, and extremely durable. ... Read More...
Cleaning Your Platinum Jewelry
Platinum is one of the rarest and most durable precious metals. It is resistant to tarnishing and discoloration caused by chlorine and other chemicals. These fa... Read More...
Melting Points
The specific gravity of a metal or alloy is merely the weight in grams of one cubic centimeter. When it is more convenient to work in troy weights, the ... Read More...