Garnet in Limestone Spessartine Garnet (Mn3Al2Si3O12 ) in Limestone ( Calcium Carbonate (CaCO3) ) Garnet in Limestone helps you with purification, strength, courage, and positive thoughts. A root chakra stone, use Garnet in Limestone for centering and grounding. Garnet strengthens the heart and fortifies both the small intestine and our immune system. It treats lactose intolerance and calcium imbalance. It is a stone for our general health. Garnet increases our levels of physical passion, sexuality, and sexual energy and aids fertility and reproduction. Limestone enhances healing properties, encourages purification, entices positive thoughts and grounds. Limestone can take on the metaphysical properties of additional minerals and that is why limestone is such a multi-dimensional stone. Limestone is beneficial to overall health and well-being. It gives relief for muscle spasms, nurtures, grounds and works primarily well on the Root' Chakra.