Author

David Sanchez Page 10

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 to Spot Fake Ammolite: A Visual Guide Earth & Space
Can a Diamond Scratch? What Can Actually Scratch a Diamond Physics
What Is the Softest Gold and How Is It Measured?Chemistry
How Many Types of Gold Are There?Chemistry
How to Create a Diamond: HPHT vs. CVD Methods Chemistry
Can Diamonds Be Black? The Science Behind the Color Earth & Space
What Common Gemstone Results From Biomineralization?Earth & Space
Why Is Jade Cold to the Touch? The Science Explained Physics
Is a Genuine Diamond a Real Diamond?Chemistry
What Makes a Diamond a Natural Material?Chemistry
Is Titanium Better Than Gold? A Scientific Comparison Chemistry
Is Cubic Zirconia a Mineral? Its Scientific Classification Earth & Space
Why Are Red Diamonds So Rare? The Science Explained Earth & Space
How Hard Is Zircon? Its Durability Explained Earth & Space
How Pure Is Platinum? From Jewelry to Investment Chemistry
Do Diamonds Have a Blue Tint?Earth & Space
Can a Diamond Scratch Another Diamond?Chemistry
How to Identify Serendibite: Tests and Characteristics Earth & Space
How to Tell If Jasper Is Real: Tests & Visual Clues Earth & Space
How Much Gold Is in 10 Karat Jewelry?Chemistry
How to Identify a Sapphire: Tests and Signs Earth & Space
How Heavy Is a Gold Brick?Physics
What Is the Hardness of Peridot on the Mohs Scale?Earth & Space
Is There Nickel in Rose Gold?Chemistry
Is Diamond a Ceramic? Explaining Its Atomic Structure Chemistry
How to Tell If a Diamond Is Real: 5 Easy Tests Chemistry
Can Lab Grown Diamonds Cut Glass?Chemistry
How Much Gold Is in White Gold?Chemistry
Does Sterling Silver Bend? And When Does It Break?Chemistry
Do Lab Grown Diamonds Glow Under UV Light?Chemistry