Author

David Sanchez Page 11

A certified gemologist from an independent jewelry shop in Manhattan, Kansas, David Sanchez now reports on gem identification and mineral properties for Biology Insights. He still appraises stones a few mornings a week at a neighborhood bench, testing hardness and assessing treatments for private clients.

Is Black Opal Real? How to Identify Genuine Black Opal Earth & Space
Can You Damage a Diamond? Types of Damage Explained Chemistry
Are Cobalt Rings Safe? What You Need to Know Chemistry
Can You Break a Diamond With Pliers?Chemistry
Are Metal Pipes Bad for You? The Health Risks Explained Safety
What Can Cut Diamond? The Materials and Methods Explained Chemistry
When Is Turquoise Water Safe and When Is It Not?Environment
Is Resin Jewelry Safe to Wear?Safety
Does Sterling Silver Cause Allergies?Skin & Hair
What Makes Pink Diamonds Pink? The Science Explained Chemistry
How Can You Tell If Amber Is Real? A Breakdown Earth & Space
Does Water Damage Gold? What You Need to Know Chemistry
How Is Gold Made in Nature and Where Does It Come From?Earth & Space
What Jewelry Metals Are Not Magnetic?Physics
Can a Laser Cut a Diamond? The Science Explained Physics
Does 18K Gold Rust or Tarnish?Chemistry
What Is Lab Created Opal and How Is It Made?Earth & Space
Can You Crush Diamonds? The Science of Diamond Strength Chemistry
Do Diamonds Turn Blue Under UV Light?Physics
How Does Labradorite Form and What Causes Labradorescence?Earth & Space
How Does Tourmaline Form? From Magma to Metamorphism Earth & Space
How Is a Hoodoo Formed? The Process From Start to Finish Earth & Space
What Can Break a Diamond? The Science of Diamond Damage Chemistry
Why Are Some Diamonds Fluorescent?Physics
Is Platinum Harder Than Silver?Chemistry
Does Peridot Glow Under UV Light? The Science Explained Chemistry
Is 18 Karat Gold Magnetic?Physics
How Does Graphite Form Naturally and Synthetically?Chemistry
How to Tell If Pearls Are Real or Imitation Chemistry
Why Do Opals Turn Yellow and How Can You Prevent It?Chemistry