The most commonly used tool for dowsing is a pendulum; a pendulum is a weighted object usually a crystal or gemstone that is hung from a metal chain or pendant that allows the user to tap into their intuition for spiritual guidance.n contemporary times, carnelian is thought by some to enhance self-esteem and creativity, to combat feelings of inadequacy, to increase physical energy and overcome insomnia. In the home, carnelian is believed to increase motivation towards action. This is a perfect pendulum to answer questions of difficulty and is great  at helping people to get out of a hard patch with confidence.