David Sanchez

What Is Black Zirconium and How Is It Made?

How Is Gold Refined? The Process Explained

Do Lab Grown Diamonds Reflect a Rainbow?

What Does an Assay Mean in Gold Purity Testing?

Where to Find Platinum in Everyday Items

What Is an HPHT Diamond? The Science Explained

What Causes a Diamond to Turn Yellow?

How Is Blue Goldstone Made? The Manufacturing Process

Is There Nickel in Platinum Jewelry?

Is Amphibolite Foliated or Nonfoliated?

Does Fake Gold Rust? The Truth About Tarnish

How Much Gold Is in Gold Leaf?

How Many Crystal Systems Are There?

What Makes Diamonds Yellow? The Science Explained

Where Do Diamonds Come From? From the Earth to the Stars

Can You Break a Diamond With Your Teeth?

What Is the Texture of Sand and What Causes It?

Is Sterling Silver Softer Than Gold?

How Is Purple Gold Made? The Alloying Process Explained

How to Identify Taaffeite: Tests and Key Characteristics