Learn about the tools of the trade with our articles on gemological equipment. Microscopes, polariscopes, lighting, and more are covered here.
– Gold and precious stones scales – Multiple weighing units: carat gram troy ounce pennyweight pound ounce grain and tael – Large LCD display (16mm height) with backlight – Control zero mode selection and data output with standard RS-232C –…
– Diamond scale – HR-60 is legal-for-trade class II – Large weighing chamber holds up to a 250mm volumetric flask – Wide angle LCD display – Good Laboratory Practices [GLP] Software – Multifunctional weighing: gram troy ounce pennyweight pound ounce…
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…
Can the colored stone industry choose a standard light source from the multitude on the market?
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 shopping and adapting of various equipment to keep my costs down.
The world’s first LED dark field/bright field illumination signature Microscope – Precision 10X – 67X zoom with Japanese quality optics – Offering the world’s first LED dark field/bright field – Rheostat controlled intensity LED dark field/bright field illumination with adjustable…
This next-generation ultimate tester for diamond fraud protection features enhanced moissanite testing technology for low conductivity stone identification. This innovative Gemoro tester has the sleekest ergonomic shape available that comfortably rests in and on your hand when held. It has…
Critical in gem identification. Required for use of the GIA Duplex II Refractometer. Store in cool dark place.
These are high-quality Hastings Triplet Loupes. Hastings lenses are constructed from three lens elements cemented together to form a single lens. The unmatched clarity of these triplet loupes is further enhanced by black outer lens edges which eliminate color distortion….
This compact self-contained screening device is designed to allow parcels of polished stones to be quickly analyzed to determine if they contain potential HPHT synthetics. PhosView cannot be used to screen for CVD synthetics simulants or any natural diamond treatments….
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 from cryptocrystaline material, doublets and triplets from other gems.
Super wide field eye pieces,5 OZ, 20x Magnification Power, used with 26-4080, 26-4073
OptiVISOR lenses are ground and polished to precise ophthalmic standards. The OptiVISOR frame is made of lightweight durable impact-resistant materials. The comfortable continuous headband is fully adjustable to fit any size quickly and easily. Adjustable pivot knobs hold visor in…
This Compact (pocket) digital gauge measures from 0 to 25mm and 0 to 1″. Millimeter accurate to two decimal points and inch fractions to three decimal points. Stainless steel with high-impact plastic housing. Inside and outside measurements. Comes with protective…
The Synthetic Diamond Screener was developed by Presidium to help screen out Type IIa colorless diamond which is likely to be synthetic and created through chemical vapor deposition (CVD) or high pressure high temperature (HPHT) syntheses from the natural Type…
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. But how does he prove its the same necklace the rapper paid a quarter of a million dollars for, thinking it had white and canary diamonds set in it?.
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