List Of Schools For Jewelers & Jewelry Training Classes
Looking for an opportunity to enter the jewelry industry or learn a new skill? Here is a list of Jewelry schools in the United States that could be a potential ... Read More...
Experience Watchmaking & Jewelry Repair
Jewelry Making & Repair
Benefits of Electrocleaning Jewelry
Why electroclean?
Electrocleaning before plating is necessary to remove oils, grease, rouge, passive oxide films, and other surface contaminants left over from... Read More...
Jewelers Saw Blade Sizes Chart
Use this handy saw blade size reference chart to help determine the correct size saw blade needed. Finer saw blades are great for use with small p... Read More...
Wire Gauge, MM, Inch Conversion Chart
Wire Gauges: In reference to wire gauge sizes, the larger the number, the smaller the diameter of the wire. The most commonly used sizes for wire wrapping are 2... Read More...
Weight Comparison Chart
To find the weight of an article in a metal different from that in which it is now made:Find the present metal in the first vertical column.
Multiply the... Read More...
Stone Weight Estimation Formula
This is a guide on how to estimate the approximate weight of a gemstone based on its length to width ratio.
Round
Diamond: Average diameter² x... Read More...
Gauge to Inches to Millimeters Conversion Table
Gauge to Inches to Millimeters Conversion Table
... Read More...
Dwt-Oz-Gram Conversion
Pennyweight (dwt) to Ounces to Grams
... Read More...
How to Sharpen Screwdriver Blades
If the tips of your screwdrivers are too wide to fit in the small spaces where you need to use them, like in the heads of those tiny watch screws, or ... Read More...
A Guide to Watch and Clock Cleaners
Ultrasonic Waterless Watch Cleaning Solution - Ammoniated
An ammoniated cleaner designed for cleaning watch parts.
Non-ammoniated Ultrasonic... Read More...
White Gold Basic Metal Streak Test
Much like the basic yellow gold streak test, with the white gold streak test you will rub the unknown metal against the testing stone and then apply acid to the... Read More...
Testing Gold by Karat Weight
When you are testing gold to see if it is a particular karat weight, either because it was stamped a certain karat weight or you think it might be a par... Read More...
Testing for Gold Filled Metal
You can test items that you suspect to be gold filled in much the same way that you would test any other type of gold using the streak testing method. The bigge... Read More...