Manufacturer of Mica, China Clay, Calcite, Talcum Powder, Feldspar, Quartz Powder. 40+. years. experience. When it comes to the minerals like mica, china clay, calcite, feldspar, quartz etc. then Vasundhra Grinding & processing mills is undoubtedly the leading source available in India. We have been in the business of supplying the best quality ...