Kaew Pong Kham, A Thai quartz amulet, it is a clear rock with natural inclusions of designs and images inside. It is regarded as a magical stone full of power in itself and also having abundant universal energy, all of which is believed can naturally boost your immune system against diseases. When a Buddhist incantation has been recited over it, its energy is supposedly doubled. Buddhists who strictly follow the five precepts will find that it can increase their mental power.We do have a number of these for sale as you can see so please let me know how many you would like.Great as a gift.