Jenny Reeves | ***UPDATED***Put Some Gold On It – Argentium, That Is! Part 2: Fused Earrings with Keum Boo | Friday, February 7th, 2020 | 9:00 am until 4:30 pm and 6:00 pm until 9:00 pm


Argentium is a tarnish-resistant alloy of sterling with unique fusing abilities, making it an ideal metal for granulation and fabricating with little or no solder.  Keum-boo is an ancient Korean technique for bonding gold. It’s an elegant, low cost way to add gold to your work that’s open to endless design possibilities.

In this class students will fuse Argentium sheet, wire, and granules to craft earrings embellished with 23.5 karat gold keum-boo.  This class explores a variety of techniques and processes to create dynamic work with texture, volume, granulation and gold!


Skills covered include:

  • Earring design and layout
  • Roller printing
  • Fusing sheet and wire
  • Granulation
  • Keum-boo
  • Creating 3-D volume
  • Crafting ear wires
  • Tips for working with Argentium, patinas and more!

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Instructor: Jenny Reeves

Class: Put Some Gold On It – Argentium, That Is! Part 2: Fused Earrings with Keum Boo

Date of Class: 02/07/2020

Time: 9:00 am until 4:30 pm and 6:00 pm until 9:00 pm

Level: This is an intermediate level class, basic fabrication skills required.

Type: Techniques and Project

Class Fee: $250

Kit Fee: $90* (payable to instructor at class time)

*Kit fee may vary a bit due to fluctuating prices of precious metals.

Kit Fee Includes

Kits contains all metals for project.

Instructor will have the following for use in class

Flex shaft (if you’re local and can bring it, please do. The more we have available, the easier it will be for you you complete your project.)

flex shaft bits – sanding drums, polishers, etc.

333130 – Slotted mandrel for sand paper

111362  – agate burnisher for keum boo

111756 – Pen style fiberglass brush

337825 – Adalox disc 150 grit 7/8”

333127  – snap on mandrel

349419  – 1mm drill bits

33277210 Brown bullet polishing point (or similar)

33278210 Green bullet polishing point (or similar)

Complete soldering station setups – torches, annealing pans/soldering platforms, flux, flux brushes, quench bowls, pickle, solder, solder picks, copper tongs, soldering pliers, tweezers

ring mandrel

bezel mandrels

Sandpaper – 220, 400, 600 grit

Student Supply List

bench light


bench pin

Saw frame, wax and 2/0 or 3/0 blades

mallet for forming – rawhide, nylon, dead blow, or other non-marring face


coarse and fine hand files

set of needle files

pliers- flat, half-round, chain nose, round


bezel rocker/pusher


sanding sticks

Flush-cutter or snips

Small sharp scissors for cutting foil

Charcoal block – must be new or sanded flat

Solderite Pad or honeycomb piece (this can be used)

If you have a favorite tool bring it!! Please bring your basic and personal favorite drill bits to finish your project in class!

***Single burner hot plate for keum-boo (studio will have some on hand, bring your own if you don’t want to wait to share.  Most cheap drugstore ones are fine.)***

Optional Supply List – We will spend quite a bit of time finishing our projects, and the following items will be beneficial:

3M Radial Bristle Brush 400 Grit Blue, 3/4”

3M Radial Bristle Brush Pumice Grit Pink, 3/4”

3M Radial Bristle Brush 6 Micron Peach, 3/4”

3M Radial Bristle Brush 1 Micron Lt. Green 3/4”

(4)  3/32 Shank Mandrels for 3M brushes

In addition, these will be helpful to have:

Joyce Chen Kitchen Shears

Small steel brushes (338311, 338314 or 100940)

Craft punches for cutting foil/roller printing

Textures for roller printing

Lightweight cloth, kevlar or leather gloves to protect hands from heat during keum-boo.   (I don’t wear gloves; my hands aren’t sensitive and I find gloves get in the way.

Instructor Email Address:

Instructor Website:




Many of our students have asked us to help streamline the process of gathering their supplies and tools for classes, and we have come up with a way we think will work for you.

SJ Jewelry Supply in Phoenix is owned and operated by a wonderful family, headed by Mario Morales. His wife, Erika, and son, Steven, round out the staff, and they are excited to help make gathering your supplies easy and stress free. We guarantee they will make life easier for you! No kidding!

Here’s how it will work….

  • Once you have determined what you will need for each class, send an email with your request for products and/or tools to SJ Jewelry Supply
    • Go to our website, open the class description for each of the classes in which you are enrolled, scroll down to the section “Student Supplies,” cut and paste the items you want to purchase into an email to Mario.
    • Here’s their email address
  • When they receive your email, they will send you a return email acknowledging receipt of your request
    • In this email, they will instruct you about payment methods 
  • Once your order is filled, they will send you a second email with confirmation stating your order is complete
    • Included in this email, they will give you instructions on how to pick up your orders upon arrival in Tucson

 Sound easy? We think it’s going to help take the stress out of preparing for classes!