Fire Agate is linked to the element of Fire and, as such, is a very protective stone. It can give you courage and strengthen your willpower, enabling you to complete those half-finished projects with gusto. Use Fire Agate to protect you against those who would cause you ill-will, sending those harmful feelings back to the source. Fire Agate is a stone that enables you to feel safe and secure not just physically, but emotionally as well. This is a great stone for shy or fearful children to carry who may be bullied or harassed, giving them courage to speak up and/or stand up for themselves. Fire Agate will not tolerate slackers and will enable its user to demand higher standards from him/herself as well as others. A stone of ambition, Fire Agate can be used to achieve higher goals, especially if you are trying to push a new proposal or product. Physically, Fire Agates increase blood circulation and metabolic rate; reduce fevers as well as hot flashes, and enhance vision, especially at night. – from Healing Crystals dot com
Herkimer diamonds are double-terminated Quartz Crown Chakra stones. They help people attune to each other. They open the higher Chakras and stimulate psychic abilities. They are calming, help insomnia and can lead to vivid dreams. Good for eyesight and the immune system. They can also clear EMFs.