Śivasaṃhitā 5.79

Maṇipūra—“the city of jewels” or “the shining gem”—is the third energy center in the ascending chain of suṣumnā. Its location in the umbilical region corresponds to the solar plexus, the center of the autonomic nervous system in Western physiology. The golden color (hiraṇyavarṇa) of maṇipūra associates it with the fire element (agni) and the bīja raṃ: it is the chakra of heat, transformation, and personal power in its most direct expression.

The ten petals of maṇipūra with their ten Sanskrit alphabet letters correspond to the ten sonic manifestations of the fire element in subtle anatomy. In the iconographic chakra map, the downward-pointing triangle (adho-mukha-trikona) at maṇipūra’s center symbolizes the digestive fire (jāṭharāgni) that converts food into energy. This fire is not only physical—though it is also that—but the alchemical principle that transforms raw experience into lived wisdom.

The transition from mūlādhāra (earth) to svādhiṣṭhāna (water) to maṇipūra (fire) follows the sequence of pañcamahābhūta (five great elements) in ascending order of subtlety. Each chakra is literally the body zone where that element dominates: maṇipūra is where digestive fire, metabolic heat, and the will to transformation have their seat. In modern psychological terms, it corresponds to the zone of self-assertion, personal boundaries, and the capacity to digest—literally and metaphorically—experience.