The sale of mineral rights is treated as an investment sale.
How To Report using TurboTax Online Deluxe or higher:
Federal taxes<Wages & Income<"I'll Choose What I Work On" or "Jump to a Full List"<Investment Income<choose Start or Update across from the category for Stocks, Mutual Funds, Bonds, Other
You will be brought through a series of questions pertaining to the sale of this asset. You will be asked if you received a 1099-B form for the sale of this investment. Choose yes or no and then click Continue. When you are asked to select which type of investment you sold, you may simply choose, "Everything Else". Choose Continue and continue answering the questions about this sale.
You will be able to enter the description of your property, how you acquired the property (inheritance), the date you inherited it, and the FMV on that date, as well as the date of sale and the FMV on this date. See my attached screenshots for reference.
