jargon Directory References Discover Is It ISIS or ISIL? What Are the Differences Between First-, Second-, and Third-Degree Murder? Inventors and Inventions of the Industrial Revolution Ten Days That Vanished: The Switch to the Gregorian Calendar Periods of American Literature How Do Deserts Form? 12 Greek Gods and Goddesses jargon gem 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