👉 Quartzoid is a type of crystal that is composed primarily of quartz, a mineral with a characteristic white or gray color. Quartz crystals are commonly found in various forms such as feldspar, amosite, and pyroxene. These minerals often have a high density and are relatively smooth to the touch. The term "quartzoid" comes from the Latin word "quartus," which means "quarter." It is also sometimes used interchangeably with the more common term "quartz
