O is for Onyx (Gemstone Folklore)

Welcome to the 2022 A to Z Blogging Challenge! My theme this year is Gemstone Folklore. Because I love stories about shiny things. Read the introduction to the project here.ONYXOnyx is a silicate mineral, a variety of chalcedony that is usually known for its deep black color, or black and white parallel layers. People associate it with the color black, although it also exists in various other