It’s the modern gold rush. Around the world, the most sought-after mineral isn’t a precious metal, nor is it oil and gas…it’s lithium. Lithium, or “white petroleum” as some call it, has become a crucial element in today’s high-tech economy. Demand for lithium is soaring, and producers are frantically searching for new sources of supply. Prices have doubled in the last two years, rising as high as $16,500 per ton.