Gemological Equipment

Gemstones that were mined in the USA…

This article lists the following useful bench tools for jewelers including contact information where they can be purchased or ordered. Grobet USA LED Bench Lamp Suitable for use at the bench or on the sales floor, the Grobet USA LED Bench…

This short paper discusses some of the things to think about when considering obtaining a microscope to use for gemology. There is some emphasis on inexpensive options. In putting together my own modest gemmology lab I did a lot of comparison…

Polariscopes are a very useful, simple and inexpensive to make piece of gemological equipment. They are used to tell glass from gem materials synthetic spinel from all other materials, singly refractive from doubly refractive, crystaline…

Can the colored stone industry choose a standard light source from the multitude on the market?

When a maid steals a $250,000 gold and diamond necklace from a famous rappers hotel room, only to find that those diamonds are actually CZs, it puts the hotel manager in a state of panic. Sure, he feels good about recovering the stolen necklace.…