jargon Directory References Discover Why Is It Called Black Friday? Major Mass Extinctions Do Lemmings Really Commit Mass Suicide? Is Cinco de Mayo Mexico's Independence Day? Why Are Some Time Zones 30 Minutes Off Instead of an Hour? Uninvited Guests: The 7 Worst Parasitic Worms 6 Lakes That Are Drying Up 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
