Gem Cleaning Cloth

The Gem Cleaning Cloth is made from a lint free microfibre and has a stitched edge to prevent fraying.

Belomo Hand Lens

The hand lens has x10 achromatic triplet antireflection lens with a diameter of 21mm and a linear field of view 17mm with a focal distance of 28mm in black metal casing of very high manufacture. Made in Belarus.

Belomo Hand Lens 20x

The hand lens is x20 quadruplet loupe. Made by the Balarusian Optical Mechanical Association.

Hand Lens

The Hand Lens (loupe) has 10x magnification with a viewing field of 18mm. It has a triplet aplanatic and achromatic lens to eliminate spherical and chromatic aberration when viewing gemstones and a rubber grip for added comfort.

Gem-A Conoscope Rod

A simple instrument used to observe interference figures in gemstones such as quartz, the Conoscope Rod is used in conjunction with a polariscope to determine whether the stone is uniaxial or biaxial. Strain-free spherical glass lens 59mm x 10mm x 10mm.

Tweezers

Tweezers are made from a satin finish stainless steel to help eliminate reflections inside a viewed gemstone and have a slide lock grip. The pincers are grooved to allow a gemstone girdle to sit safely without flicking out. They come in two sizes, a medium and fine point depending on whether you need them for larger stones (4mm and above) or smaller stones and diamonds (below 4mm).

Diamond Tweezer no lock

Tweezers are made from a satin finish stainless steel to help eliminate reflections inside a viewed gemstone, no lock grip. The pincers are grooved to allow a gemstone girdle to sit safely without flicking out. They are fine point for smaller stones and diamonds (below 4mm).

Dichroscope

The Dichroscope has a black powder coated aluminium barrel containing a train of transparent calcite prisms to split light into opposed rays and compare any pleochroic colours of a transparent gemstone.

London Dichro-loupe Gemax

Chelsea Filter

The Chelsea Filter has a transparent filter, which allows the transmission of both deep red (690nm) and yellow-green (570nm) wavelengths, housed in a white powder coated aluminium housing.

OPL Spectroscope (small)

This OPL Spectroscope is the diffraction grating kind providing a sharp spectra with relatively low intensity light. The diffraction grating is housed in a sandblasted finish aluminium case with powder coated black ends.

OPL Spectroscope (large)

Fixed slit & fixed focus, with a 600 lines per millimetre fine quality diffraction grating. OPL “Teaching” Diffraction Grating Spectroscope are similar to but larger than the Pocket model. This spectroscope is ideal for laboratory or classroom use. Constructed of stainless steel & black acetol, 104mm long, 25mm wide, weight 110 grams, packed in a distinctive black plastic tube.

OPL Book

A student friendly approach to spectroscopy, with detailed descriptions, photos, diagrams, practical examples, advice and just a touch of theory. As reviewed by Michael O’Donoghue in the October 2003 issue of “The Journal of Gemmology”. This little book has taken the gemmological world by storm and is now regarded as an essential part of a gemmology students library.

Digital Gauge

The Digital Gauge measures 0-26.40mm (about 1 inch) in 1/100th of millimeter increments and is switched on or off at the hit of a button. It can also switch between imperial and metric measurements and has a zero reset button. The head is a ‘Leverage’ style allowing measurements to be taken in three ways, including measuring inner and outer diameters. It can be used with one hand and takes a 1.55v SR44 battery.

Coloured Pencils

These pencils are for use in plotting inclusions in Diamond Grading. Green for external features and red for internal features. They are sold as a set of two.

RI Fluid (1.81)

The Gem-Master 1.81 Refractive Index liquid contains 10 grams (3.2mls) of liquid. It's safer than other liquids on the market because of the protective stopper on the bottle that prevents spillage. The labels are in full accordance with current international health and safety regulations.

Leather Zip Case

The Leather Zip Case is made from black reinforced leather to protect its contents and has many elastic compartments and an internal pouch to hold a basic set of gemmological tools. It comes with a full length zip and wrist strap and is embossed with the GAA logo.

Student Gem Kit

This kit contains many of the essential hand tools you will use throughout your gemological studies and will need in the field. Included are the Gem Cleaning Cloth, Belomo hand lens, Tweezers (medium point), Dichroscope, OPL Spectroscope, and Leather Zip Case.* Chelsea Filter not available.

Diamond Grading Kit

This kit contains the essential items needed to complete the Practical Diamond Grading course and well after for grading and assessing diamonds. It contains Tweezers, Belomo hand lens, Cleaning Cloth, Digital Gauge, Red and Green Pencils and Leather Zip Case.

Base Light for Folding Polariscope

Ideal for travelling, use with the folding polariscope.

Folding polariscope

Ideal for travelling, folding polariscope. Can also use with microscope.

Portable LED Polariscope

Poloriscope (Handle) * NEW * * In-Bulit Light Source
* Yellow LED Light
* No external flash light needed * Power : 2 x CR2032 Battery

Values of the Refractive Index and Specific Gravity of Commercially Known Gemstones

The GAA has provided this A4, colour, eight page, wire bound, laminated and durable brochure that is easy to use; it will prove an invaluable tool to all existing and budding Gemmologists. With tabulated categories such as ‘Gems listed in Alphabetical Order’, Gems listed in order of Increasing Refractive Index’ & ‘Gems listed in order of Increasing Specific Gravity’, it will be easy to find the information you require.

GemA Prac Book

Gem-A's practical gemmology handbook, printed in colour. All students of our Gemmology Diploma receive this essential companion for gemstone testing. It includes detailed information about all materials covered in the course, including expected tests results, inclusion photographs for natural and synthetic stones, and other useful gemmology tips.

Gemmology 3rd Edition Peter Read

This third edition has been completely revised to cover the latest methods of gem enhancement and identification, as well as the latest test instruments and laboratory techniques. Gemmology serves as an invaluable reference guide for gemmologists, professionals and students, and is an invaluable text for anyone in the gemmological profession. Also included are details of the Gemmological Association's Foundation Course together with advice on examination techniques.

Handbook of Gemmology by Dominy 3rd Edition

Covering all aspects of the science of gemmology and gem identification this innovative and interactive e-book consists of 1056 digital pages and over 1000 colour photographs, diagrams and illustrations featuring the photography of internationally renowned gemstone/mineral photographers Tino Hammid & Jeff Scovil.