Grain size Grain size Grain size (or particle size) is the diameter of individual grains of sediment, or the lithified particles in clastic rocks. The term may also be applied to other granular materials. This is different from the crystallite size, which refers to the size of a single crystal inside a particle or grain. A single grain can be composed of several crystals. Granular material can range from very small colloidal particles, through clay, silt, sand, gravel, and cobbles, to boulders. Size ranges define limits of classes that are given names in the Wentworth scale (or Udden–Wentworth scale) used in the
Granular Inc. data for 2,500 U.S. counties across 48 states and digital national plat maps. Granular Inc. Granular Inc. is a San Francisco-based company that develops and markets farm management software. The company's software allows farmers to manage operational and financial data on a single cloud and mobile platform. As of 2016, Granular raised $25 million in venture funding and acquired the farm valuation platform AcreValue. Granular is a spinoff of the company Solum, which was founded in 2009. In 2014, Monsanto acquired half of the business, which focused on soil testing and was merged with Climate Corp. The remaining half of