Author

Pablo Delgado Page 4

Pablo Delgado is an associate editor at Biology Insights who covers earth materials and minerals. Based in Scottsdale, Arizona, he has spent 20 years in publishing, previously writing and editing for an industry trade magazine. Delgado graduated from Loyola University Chicago with a bachelor’s degree in journalism.

What Is the Hardness of Tanzanite on the Mohs Scale?Earth & Space
What Is the Luster of Peridot?Earth & Space
Why Is My Amethyst Turning White?Earth & Space
What Kinds of Objects Are Made From Ivory?Mammals
What Are Peridots? Origins, Properties, and Care Earth & Space
What Is Rainbow Quartz and How Is It Made?Earth & Space
Is Diamond Harder Than Tungsten?Chemistry
Is Onyx Always Black? The Truth About This Gemstone Earth & Space
Which Mineral Is Commonly Used as an Abrasive?Earth & Space
What Is the Toughest Mineral in the World?Earth & Space
What Is the Streak of Topaz and How Do You Test It?Earth & Space
Is Turquoise a Soft Stone? Its Hardness Explained Earth & Space
What Does Silver Feel Like? Temperature, Weight, and More Chemistry
Is Quartz a Metallic or Nonmetallic Mineral?Earth & Space
What Is the Hardness of Beryl on the Mohs Scale?Earth & Space
Is Pyrite a Gemstone? Its Value and Use in Jewelry Earth & Space
What Is the Softest Stone on the Mohs Hardness Scale?Earth & Space
How Are Shiva Lingam Stones Formed?Earth & Space
What Is Jadeite? The Rarest and Most Valuable Jade Earth & Space
What Is Moissanite Made From?Chemistry
What Does Malachite Look Like? Color, Patterns, and Texture Earth & Space
Is White Gold an Alloy? Explaining Its Composition Chemistry
What Do Garnets Look Like? Color, Shape, and Properties Earth & Space
What Is Beryl? From Mineral to Gemstone Earth & Space
What Is Jet Made Of? Its Composition and Origin Earth & Space
What Is Lapis Lazuli Made Of? Its Mineral Composition Earth & Space
How Big Can Diamonds Get? From Rough Stone to Polished Gem Earth & Space
Can You Scratch a Diamond on Concrete?Physics
Where Does Black Opal Come From?Earth & Space
How Is Glass Made? The Manufacturing Process Explained Chemistry