II-Grade or pure jaspet is popular amongst corporate miners who are looking for various minerals for manufacturing, rather than mining purely for profit. Pure jaspet contains fewer waste compounds than most asteroids, allows for approximately 5% better mineral yield from the same volume of ore. Jaspet has two valuable mineral types, making it easy to sell. It has a large portion of Mexallon plus some Nocxium. This material was compressed using an older process that compressed batches of raw materials into units using a set input quantity. Newer compression technology uses a more flexible one-to-one unit compression system.