Garnets are a group of silicate minerals that are commonly used as gemstones and abrasives. They come in a variety of colors, including red, green, yellow, and orange, but the most recognized type is the deep red garnet. These minerals are often found in metamorphic rocks and can form in different shapes, typically as dodecahedrons. In addition to their beauty, garnets have practical applications. They are used in sandpaper and other abrasive materials due to their hardness. The gemstone is also associated with various cultural meanings, such as representing January in birthstones and symbolizing friendship and trust in jewelry.