David Sanchez

Is a Ruby a Red Sapphire? The Science Explained

Does Gold Get Green Tarnish?

How They Make Lab-Grown Diamonds: The Science Explained

How to Identify a Raw Black Diamond

Can Titanium Cut Diamond? The Science of Material Hardness

Do Black Diamonds Exist? The Science Behind the Stone

How Long Does It Take for a Diamond to Form in a Lab?

Why Is Some Gold Darker Than Others?

Is 18k Gold Magnetic? The Science Behind Gold Alloys

Can You Bend Gold With Your Hands?

What Is Real Gold and How Can You Identify It?

How Strong Is Diamond? Hardness, Toughness, and Durability

Is YAG a Natural Gem or a Synthetic Stone?

Is Gold Easy to Break? The Science of Gold’s Durability

How Strong Is Opal? Explaining Its Durability and Care

Does a Lab-Grown Diamond Pass a Diamond Tester?

Is Salt Water Bad for Gold or Gold Jewelry?

How Is Silver Weighed? Units, Equipment, and Key Factors

How to Identify Common Opal by Its Physical Characteristics

What Is a CVD Lab-Grown Diamond and How Is It Made?