Feldspar Type: potassium feldspar, sodium feldspar, anorthite, barium feldspar Color: white, yellow, pink, green, grey, black etc. Package: bag or as per your demand. Usage: Manufacture of potash, ceramics and enamel, glass raw materials, abrasive abrasive, etc Contact person: Emma Du Market at hbleijie dot com Phone: +86-15511419711(WhatsApp) Skype: x-yan0516 want to learn more , pls leave message or sent email. I will reply you asap once received your inquires. Thanks !