Ruby is a high-energy stone which is a type of sapphire. It is used to amplify energy and increase chi or prana. In this way, it is considered a boost to Earth healing. It is also a stone that may bring a sense of adventurer to the wearer. It is considered to be a leadership stone as well. Ruby has been associated with prosperity and wealth for centuries. It is said to help find or stabilize work and finances, as well as bringing general prosperity. Ruby also is used to increase generosity. Surface Width: 6mmMetals Type: black gold filledjewelry: ruby ringsizes: 5, 6, 7, 8, 9,10, 11