Refining


Refining or purifying metals (including recycling scraps) plays a key role in the quality of your metal jewelry. Learn the basic techniques here.

Inquartation and Parting Refining Process

Inquartation and Parting Refining Process

The small-medium scale refiner (typically up to 3-4 kg per batch) tends to adopt the Aqua Regia process as being...
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Refining Gold Jewelry Scraps

Refining Gold Jewelry Scraps

When questions arise about manufacturing quality gold jewelry, manufacturers are eager to talk shop with their peers and industry experts....
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Metal Spinning Part 2: Techniques

Metal Spinning Part 2: Techniques

This article is the second of a three-part series on Metal Spinning by James Seavey discussing the techniques in developing...
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Reticulation of Shakudo and Shibuichi

Reticulation of Shakudo and Shibuichi

For a number of years I have been exploring the use of the Japanese alloy shakudo in ways other than...
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Tips for Recovering Precious Metal Particles

Most jewelers know how to handle their precious metal scraps: they separate their scraps by metal, dry out ultrasonic solutions...
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Anodizing Aluminum

Anodizing Aluminum

While I was in graduate school at San Diego State University I became interested in the anodizing process. I had...
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Metal Spinning Part 3: Tooling

Metal Spinning Part 3: Tooling

As skill develops in spinning, it becomes more important to have a sense of what forms can be produced. To...
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Copper Granulation Technique

Copper Granulation Technique

Granulation, a technique used in jewelry and metalwork, is the decorative use of minute metal granules attached to the surface...
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Heat-Induced Web Textures on Anodized Aluminum

Heat-Induced Web Textures on Anodized Aluminum

In late 1981, I began working with anodized aluminum, drawn to its light weight, availability and low cost. In developing...
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The Art of Doublée Making

The Art of Doublée Making

Historically, a wide range of techniques has been used to clad or coat silver or base metals with gold. These...
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Aluminum & Aluminum Anodizing

Aluminum & Aluminum Anodizing

This article is based on technical information taken from my personal notes and experiences, shared information from the Penland Anodizing...
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Anodizing Principles Update

Anodizing Principles Update

Although the basic anodizing principles involved in the reactive metals have been discussed in the past, a deeper insight into...
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The Art of Gold

The Art of Gold

'The Art of Gold,' curated by Michael Monroe, is the first major survey of contemporary American goldsmithing. The traveling exhibition...
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Precious Metal Refining

The principle of this ancient, valued procedure is described here because of its historical interest, and with the thought that...
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Master Metalsmith John Prip

Master Metalsmith John Prip

One observation on the career of John Prip (more often called Jack) is the way in which the man and...
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Discussion on Refiner Methods

Discussion on Refiner Methods

Shawna Kulpa takes a look into the assaying methods refiners use to determine the value of a lot. This article...
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Maximizing Refining Returns

Platinum jewelry manufacturing presents some very different concerns when discussing the collection of materials for refining purposes. The assumption that...
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Recycling Gold from Electronics

With over 300 tonnes of gold used in electronics each year, end-of-life electronic equipment offers an important recycling potential for...
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Masterpiece in Metal by Adolphe Himmel

Masterpiece in Metal by Adolphe Himmel

Among the most distinguished known surviving pieces of New Orleans-made silver is this tureen made by Adolphe Himmel. With its...
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Ensuring the Best Refining Experience

Ensuring the Best Refining Experience

Today's record metals prices have probably encouraged you to be more diligent than ever about capturing every last bit of...
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Lois Betteridge: Stretching Material Limits

Lois Betteridge: Stretching Material Limits

The core of life's work in fine artisanry is the unfolding of a personal style within the cultural milieu of...
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