Healing Crystals ENPAP About Agate Crystal Cluster Agate is a cryptocrystalline variety of silica, chiefly chalcedony, characterized by its fineness of grain and brightness of color. Although agates may be found in various kinds of rock, they are classically associated with volcanic and can be common in certain metamorphic . Agate is one of the oldest minerals. It is well known for enhancing spirituality, capabilities and serenity. In the past, it was used on warriors' armor for strength and to make them victorious during battles. This enhances creativity, making it great for artist and students who are struggling for new ideas. Note: The agate stone is made of natural material. The shape and pattern of each agate piece will be different.Used for reiki, balancing or rituals. Can balance any type of psychological anxiety. Each crystal is irregular, unpolished and rough. yuebang Bring optimism and lightness so you can see the bright side in tough times. Healing Crystals.