Author

David Sanchez Page 8

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.

How Rare Is Kunzite? From Formation to Market Earth & Space
Is Sterling Silver Malleable for Jewelry Making?Chemistry
What Makes Diamonds Blue? The Science Explained Chemistry
What Is a Type IIa Diamond and Why Are They Rare?Chemistry
What Is the Unit for Hardness?Physics
What Is the Texture of Carbon? From Hard to Soft Chemistry
How Is Sterling Silver Made? The Process Explained Chemistry
Does Real Gold Turn Silver or Change Color?Chemistry
Is Gold Corrosion Resistant? The Science Explained Chemistry
How Strong Is Blue Ice? The Science of Glacial Strength Earth & Space
Why Platinum Is Better Than Gold Chemistry
Is Lonsdaleite Actually Harder Than Diamond?Chemistry
How to Remove Gold From Sulfides Chemistry
How to Make 14k Gold: The Alloying Process Chemistry
What Is Aphanitic Texture in Igneous Rocks?Earth & Space
How Are Lab-Grown Diamonds Made?Physics
How to Identify Citrine: Natural vs. Heat-Treated Earth & Space
What Does Oxidized Gold Look Like?Chemistry
How Strong Is Jade Stone? Hardness, Toughness, and Durability Earth & Space
Does Platinum Scratch Easily? The Truth About Surface Wear Chemistry
Are Emeralds Strong? The Truth About Their Durability Chemistry
What Is Considered Pure Gold?Chemistry
Which Granite Has the Most Radon?Earth & Space
Is Rhyolite Aphanitic or Phaneritic?Earth & Space
Is Platinum Softer Than Gold? A Scientific Comparison Chemistry
Is Platinum Softer Than White Gold?Chemistry
Why Is Tanzanite So Rare? The Science Behind Its Scarcity Earth & Space
Does Silver Last Longer Than Gold?Chemistry
How to Determine If Something Is Real Silver Chemistry
Is Rose Gold Natural? The Science Behind the Alloy Chemistry