To see a world in a grain of sand and heaven in a wild flower, hold infinity in the palm of your hand and eternity in an hour. -William Blake. Your spirituality is on display with Citrine infinity jewelry. The gem in a citrine pendant is considered a harmonious, optimistic, and cheerful stone with the ability to brighten up our hearts darkest places Ruby is known as the gem of courage. Wearing a ruby pendant can help you get through the trials and tribulations of life.