A variety of quartz, the color ranging from yellow to golden brown to burnt amber. Citrine is said to be one of the stones used in the breastplate of the ancient high priest. It is thought to stimulate both mental focus and endurance. It can help dispel fundamental levels of fear, brightening even the darkest corners of one’s perceived reality and helping one to “laugh without restraint”. It is very useful in assisting to penetrate problems and expedite solutions. It can also be helpful in the treatment of digestive and blood circulation disorders.