Why nobody can quote you a per-acre price.
If someone gives you a confident per-acre number for mineral rights without looking at your tract, be skeptical. Value is local in the most literal sense. The minerals beneath one section can be worth a great deal while the minerals a few miles away are worth far less, because the rock, the drilling activity, and the operators are different.
The single biggest split is whether your minerals are producing or non-producing. Producing interests generate royalty income today, and value starts from that measurable stream. Non-producing minerals have no current income, so their value rests on the potential for future drilling, which is inherently less certain. We cover this fork in detail in our guide to producing versus non-producing minerals.
That is why we talk about value drivers rather than headline figures. Understanding what moves the number up or down is more useful than a quote that may not fit your situation. When you want an actual figure, the right path is a look at your specific tract, which is exactly what a valuation conversation is for.