You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.
US Gemstone Mines: Arizona Oregon Idaho Montana Arkansas ...

In 2014 about 250 gemstone mines were operating in the United States. They employed between 1,200 and 1,500 people. A significant amount of additional gemstone mining in the United States is done by rockhounds (amateurs who search for rocks, minerals, gemstones, and fossils as a hobby).

A Guide to Gem Cutting Styles

While some cut names may describe the face-up shape of the finished gem, others refer to the shape and arrangement of the gem''s facets. These cuts are also known as gem cutting styles. The three most basic cutting styles are brilliant, step, and mixed. For example, a "round brilliant diamond" has a round shape but a brilliant cutting style.


The batch tumbler having 0.15 cu. ft. capacity can hold about 16 pounds of rock, or 200 to 700 shell cartridges. Comes with drains for processing metal parts. Also features the removable heavy-duty polyethylene bowl with lid. 1/20 HP motor operates on 115 volts, 1.6 amps, vibrates at 3000 VPM.

Presidium Gem Tester II

The only handheld digital tester in the industry specifically for colored gemstones, and tests for 31 types of gemstones. The Presidium Gem Indicator, the only handheld tester in the industry specifically for colored gemstones, indicates up to 31 different types of colored gems based on their thermal conductivity and even features a color input function that allows users to select from a range ...

Introduction to SEMI SECS/GEM for beginner

 · SEMI E30 GEM Standard - This is the "Brain" that defines the behaviours of equipment (Business Rules), state machine and some rules like which SECS-II messages should be used, in what situations, and what the resulting activity should be. It also defines the functionalities like Status Data Collections, Trace Data Collection, Alarms Management, Spooling, Remote Command, etc.

Lapidary Equipment & Supplies

Tumbling Rocks in A Vibratory Tumbler. Author: Brian Boyle Date Posted: 27 April 2015 Vibratory tumbling is a great way to tumble stones, small slabs, cabochons, or preforms in a short amount of time.

Gemstone Exploration Techniques

The techniques for finding and recovering gemstones have changed little since the first human was dazzled by a precious colored stone. Today, almost all of the world''s gemstone mining is done on a low-tech, artisanal level – miners digging by hand or with light equipment, seeking pay dirt.

Lortone: Manufacturers of fine lapidary tools and ...

At Lortone we''ve been building durable, economical, rock tumblers, saws, polishing arbors, laps, and combination machines, for almost 40 years. Our tradition of using superior materials and workmanship continues to this day, using proven designs, premium steel and quality US construction.

Introduction to SECS/GEM

SECS/GEM describes two way communication through a network or serial cable connection that is independent of any operating system or programming language. Usually the host side of a connection is executing on a computer system provided by the factory, and the equipment side of a connection is running on a controller computer provided by the ...

💎 GSI: Gemological Science International Diamond Certification

Gemological Science International research department is at the forefront of the rapidly changing processes related to treatments of diamonds and gemstones, synthetic technologies, and many others. GSI openly shares research findings with others in the trade. The Research Center works closely with leading manufacturers of high-tech equipment to integrate GSI''s knowledge of gem laboratory ...

Jem Machine, Inc.

Offering used machinery and equipment to the sawmill industry. Search the inventory of our used sawmill equipment company for bandmills, barkers, chippers and more.


GEM is a leading provider of global energy and mining project intelligence. GEM is part of the BCI Media group with global operations spanning USA, Australia, New Zealand and Southeast Asia. Call or email us today for a tour and no-cost preview of our data.

Crisson Gold Mine | Best Gold in Dahlonega

reopend and we are operating normal business hours!! Hours: 7 DAYS A WEEK from 10:00AM – 6:00PM (Rain or Shine!) 2736 Morrison Moore Pkwy. E. Dahlonega, GA. 30533

How to Cut & Polish Gemstones: Introductory Lesson

- Learn how to cut gemstones today! First introductory video by Steve Moriarty showing you how to precision facet a gemstone. In this...

GIA Store

Find the products you need to set up your own gem testing station at home for gem identification and on-going technical skills development. Loose Diamond Display Case. from $4.00. GIA iD100®. from $5,495.00. Laboratory-Grown Diamonds and the GIA Laboratory-Grown Diamond Reports Brochure (Pack of 50) $10.00. 2020 G&G 4 Issues.

Gemstone, LLC

Gemstone, LLC is an industry leader in industrial painting and lead abatement. Gemstone''s bridge inspection and access equipment is available for rental.

GEM Equipment of Oregon, Inc.

GEM Equipment of Oregon, Inc. custom designs equipment and systems for customer''s specific applications. We use innovative technology, operating experience and customer input to produce the finest food processing systems for our customers.

Kassoy | Gemological Equipment and Jewelry Tools

For over 85 years, KASSOY has been a proud supplier of quality tools, equipment, and retail supplies for the gemological and jewelry industries. We aren''t just distributors of products; we are members of the gem and jewelry community, and believe it is our duty to …

Recruiting Software SaaS Company | Gem

Gem is the operating system for modern recruiting. We help companies simplify workflows, understand their pipeline, and nurture relationships with top talent. Join Talent Summit 2021 on Sept 15 to learn how today''s largest companies are reimagining hiring.

Best Value Gem Faceting Machine

It is a solid value-for-money gem faceting machine that doesn''t compromise on functionality and quality. It is the most versatile gem faceting and polishing machine that takes care of almost every aspect of faceting and polishing of gemstone. It has a double-wheel design as opposed to a single-wheel design that most other faceting machines boast.

About GEM One | GEM One

GEM One quickly grew into one of the market leaders, and in 2014, the success story also gained an American chapter. Today, we have global coverage, operating from 3 headquarters, in America, Europe and Asia, and together with a strong local dealer network, we elevate industrial fleets to …

Gemstone Identification Tools from Kassoy

Gemstone Identification For Gemologists, Gem Dealers, Pawn Brokers, and Jewelry Appraisers, the best tools and equipment for gemstone identification can make all the difference. KASSOY offers the best of what you need from gemstone filters and testers, to polariscopes and refractometers.

Gemstone-Legends Wiki | Fandom

Gemstone-Legends Wiki is a FANDOM Games Community. View Mobile Site FandomShop Newsletter Join Fan Lab ...

Mini-Sonic Vibrating Rock Tumbler and Polisher

MT-10 Mini Sonic. with 2 - 4 lb Barrels. $445.00. This MT-10 Mini-Sonic tumbler with two 4 pound barrels allows for some versatility in the grinding and polishing of stones, etc. In example one side for coarse grinding and 1 side for Prepolish and polishing stages or to grind different types of rock at the same time.

Jewelry Displays, Ring Displays, Gems on Display

Gems On Display carries an extensive line of retail supplies for jewelry stores, boutiques and jewelry manufacturers. We stock in excess of two thousand different products that are available for quick shipping to your location. 1-888-317-2213. Company.


Facetron "A Lapidary Luxury" Since 1974, Jarvi Tool, LLC has strived to produce the highest quality faceting machine because they know that in order to produce the finest quality gemstones, you, the faceter, need the finest quality precision faceting machine. That''s what the Facetron is all about.

Howard Rotavator Gem and Super Gem Operating >. …

work power and engineering quality of the Gem are unequalled . The Gem has three forward gears providing the right speed for any type of work or soil condition . A reverse gear gives ease of handling in confined areas; adjustable handlebars. up or down. side to …


My Laboratory & GIA Laboratory Client Portal. Now featuring one log in for My Laboratory and the GIA Client Portal. Maintain your laboratory account information and grading results online. You can manage your team members and provide access to My Laboratory, update payment preferences, view open balances and create shipping memos.Also, view and manage the status of your items being graded at …

The Gem Shop, Inc.

The Gem Shop is a true lapidary, from the mining of fine agates and jaspers to the cutting of unique designer cabochons.

Gemstone Facets: Terminology and Functions

Not only do gemstone facets create beautiful patterns on gem surfaces, they also help gems shine. While gem cutters will learn all about facets, all gem enthusiasts, especially gem buyers, can benefit from learning about facet types and functions.