Selenite (mineral) was filled with mineral-rich water that drove the crystals' growth. The largest of those crystals weighs 55 tons, is long, and is over 500,000 years old. Gypsum occurs on every continent and is the most common of all the sulfate minerals. Gypsum is formed as an evaporative mineral, frequently found in alkaline lake muds, clay beds, evaporated seas, salt flats, salt springs, and caves. It is frequently found in conjunction with other minerals such as, copper ores, sulfur and sulfides, silver, iron ores, coal, calcite, dolomite, limestone, and opal. Gypsum has been dated to almost every geologic age since the
Mineral rights is a stipulation, derived from the lease agreement and other agreements, as to what the Operator of a well or an oil and/or gas purchaser will disburse in terms of revenue to the mineral owner and others. The purpose of the division order is to show how the mineral revenues are divided up between the oil company, the owners of the mineral rights (royalty owners) and the overriding royalty interest owners. The Division Order needs a signature, a current address and social security number for individual royalty owners or tax identification number for companies. An oil and gas lease is