Potassium feldspar refers to a number of minerals in the feldspar group, and containing potassium: Orthoclase (endmember formula KAlSi3O8), an important tectosilicate mineral that forms igneous rock. Microcline, chemically the same as orthoclase, but with a different crystalline structure. Feldspar is used as a flux in ceramic and glass industries. It also adds strength to the body. Feldspar is a rare occurrence of extremely pure mineral free from mica. The chief use of Feldspar is in the Ceramic and Glass Industries. In ceramic bodies, the main vitrifying (fluxing) agent is feldspar. Application Industries: Ceramics, Tiles and Sanitaryware Glazes Glass Industry Bonding agent for abrasives, wheels, discs, and other shapes. Dental ceramics. Product Variants: Granular Particles Powder form (100-350 Mess BSS) Lumps (Dressed ore in raw form) Packing: The standard packing units are 50 kg HDPE Bags, 1000 Kg, and 1350 Kg jumbo bags. However, we can also make the packing units as per customer requirements.