Dear Mr Lee Taek Soo,As we are the Mount Everest Country Nepal and there are diffrent type of Mines and Minerals.Actually, we are dealing in MICA and TALC and in the mean time we have find 1800 Kg Kyanite3000 Kg Black Tourmaline, 600 Kg YellowTourmaline and 4000 Kg Quartz in our mines.We will courier samples of these for your kind approval.Please go through attachment of our Kyanite and advise us accordingly.With best regardsMahesh RimalDirector Marketing & Sales