India, Narmada River, Mardhata mountain range. Natural stone, grey with red inclusions. Base from white marble. These naturally shaped banalinga stones are found in a River in India and are used as a tantric object, named Brahmanda, 'cosmic egg', symbolizing the universe in rituals since ancient times. Especially stones with markings of round and elongated shaped are sought for. Height 40cm, ? 34cm. Condition A/B.