Shiva Lingam stone found only in the Narmada River in India, Lingams (also called Shiva Lingams) are a variety of cryptocrystalline quartz that is oval in shape and contains earthy hues, usually two-toned. In ancient Sanskrit, Shiva Lingam means a “sign” or “symbol”. These Lingams are gathered once a year in a special ceremony and then polished by hand. Chemical Composition: SiO2 with inclusions of iron and magnesium; Color: Brown, Cream; Location: India; Hardness: 7; In Sanskrit, Linga means a 'mark' or a symbol, which points to an inference. Thus the Shiva Linga is a symbol of Lord Shiva - a mark that reminds of the Omnipotent Lord, which is formless. Lighms are qite earthly feeling and they are extremely dense but hold one in your hand and it feels silky smooth and grounding. It can also point out imperfections in the body or energy field, as it will warm slightly when it encounters imperfections.