Which is also called a pentagram— has been thought of as having protective or powerful magical properties for hundreds of years. The fact that a pentacle can be drawn with one continuous line is sometimes seen as meaningful or mystical. Pentacles are often used as one of the four suits in a tarot deck.
The five-pointed star is a symbol of the elements: Fire, Water, Earth, Air & Spirit. Often worn or used as a symbol of protection. Associated with Earth, the pentacle is a grounding symbol that brings peace and tranquility.
Use as a charging element on your altar, protection on your door, or as a trivet for your cauldron.