Identifying a new mineral Anylyzing the crystal structure	1 1
	The superstructure : The difference between the two minerals "BERYL" and "PEZOTTAITE"	2
	Materials The application to the Commission on New Minerals and Mineral Names (CNMMN IMA)	3 3
	Rotating pezzottaite crystal model Box 1 Chemistry and crystallography	4 4
	Pezzottaite rough, cut and in matrix	5
	Box 2 Origin and minerslogy	5
	Box 3 Physical and optical properties	6
	Chemistry of pezzott Box 4A Electron microprobe analysis (EMPA) Box 4B Laser ablation mass spectroscopy analysis (LA-ICP-MS)	7 8
	Crystallography of pezzottaite Box 5A Single crystal X-ray diffration analysis               X-ray powder diffration analysis Box 5B Relations to other mineral species BOX 6 Miscellaneous	9 10 10
	Inclusion features, literature and acknowleadgments	11
	Appendix Pezzottaite gemstone examples	12