Author

Rory Dvorak

Rory Dvorak operates an independent jewelry repair studio where he also teaches bench techniques. He completed a BFA in Metalsmithing and Jewelry Design at OCAD University. Dvorak splits his working time between custom metalwork, stone setting, and hands-on student instruction at the bench.

How Does Silver Oxidize and What Causes Tarnish?Chemistry
What Causes Aluminum to Turn Black?Chemistry
What Is a Metal Oxide? Its Structure, Formation, and Uses Chemistry
What Are the Physical and Chemical Properties of Diamond?Chemistry
How to Dissolve Silver With Nitric Acid Chemistry
Does Silver Kill Fungus? The Science Explained Chemistry
What Does Bleach Do to Metal?Chemistry
What Is Aqua Regia Made Of and How Does It Work?Chemistry
What Happens When Copper and Oxygen React?Chemistry
Can Copper Be Absorbed Through the Skin?Chemistry
How to Separate Gold From Mercury Safely Chemistry
Can You Melt a Diamond? What Happens When It’s Heated Chemistry
Does Silver Have an Odor? The Science of Metallic Smells Chemistry
What Does Gold React With? From Aqua Regia to Cyanide Chemistry
Can Copper Look Silver? The Science Explained Chemistry
How Does Fire Purify Gold? The Science of Refining Chemistry
What Causes Copper to Turn Black?Chemistry
How to Tell If a Metal Is Lead: Signs and Tests Chemistry
How Is Magnesium Made From Natural Sources to Production?Chemistry
What Does Aluminum Oxide Do? Its Properties and Uses Chemistry
Is Copper Antibacterial and How Does It Kill Germs?Chemistry
What Color Is Bismuth? The Science Behind Its Iridescence Chemistry
Where Is Zirconium Found and How Is It Mined?Earth & Space
Is Ruby a Crystal? Explaining Its Atomic Structure Chemistry
Does Gold Oxidize? The Science Behind Gold Tarnish Chemistry
How Reactive Is Gold? The Science Behind Its Stability Chemistry
What Are Borax Crystals and How Do They Form?Chemistry
What Metals Tarnish Black and Why?Chemistry
What Are Some Compounds That Are Made From Gold?Chemistry
How to Extract Gold From Ore: Physical & Chemical Methods Chemistry