👉 Fletcherite is a type of mineral that is found in the Earth's crust. It is named after Dr. William Fletcher, who first described it in 1879. Fletcherite is a type of quartz crystal that is usually green or blue in color and has a pearlescent surface. It is often used as a natural stone for its beautiful appearance and can be found in many different types of rocks. Fletcherite is also known as "blue quartz" because of its blue
