jargon Directory References Discover 12 Novels Considered the “Greatest Book Ever Written” What Is the Emoluments Clause? Is Cinco de Mayo Mexico's Independence Day? Water Fluoridation: Just the Facts 7 Deadliest Weapons in History How Deadly Is Quicksand? Spies Like Us: 10 Famous Names in the Espionage Game Contents jargon gem Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:description In zirconThe name jargon, like zircon derived from Persian zargūn, applies to all other colours. A lovely blue stone may be made by heat treatment under reducing conditions.Read More