Shiva Lingams come from the Narmada River, one of the seven sacred holy places of pilgrimage in India. The stones are made of crypto crystalline quartz, and are said to have been formed from a meteorite that fell to Earth several million years ago. The river periodically gives up these stones when the water level drops. The locals living by the river, following generations of tradition, then retrieve these special stones and hand polish them to bring out their individually unique markings.

Shiva Lingams represent the fusion of male and female (yin and yang, or active and passive) energies, harmony, and balance. What is also interesting to me is the sheer density of these stones. You have to experience them!