Natural Moss Agate Beads Strands, Rondelle, Size: about 8mm in diameter, 5.Spiritual Properties of Moss Agate: Moss Agate is a gemstone renowned for its spiritual properties that encourage growth, abundance, and connection to nature.. Natural Moss Agate Beads Strands Its energy promotes a sense of balance and harmony with the natural world, allowing individuals to overcome obstacles and achieve prosperity in all aspects of life.