Vurroite Mineral Data

General Vurroite Information
Chemical Formula:	Pb20Sn2(Bi,As)22S54Cl6
Composition:	Molecular Weight = 9,577.60 gm
	Thallium 0.06 % Tl
	Tin 1.61 % Sn
	Bismuth 28.34 % Bi
	Arsenic 8.39 % As
	Lead 41.00 % Pb
	Selenium 0.18 % Se
	Sulfur 18.32 % S
	Bromine 0.24 % Br
	Chlorine 1.85 % Cl
	______
	100.00 %
Empirical Formula:	Pb_18.95Sn_1.3Bi_12.99As_10.73Tl_0.03S_54.71Se_0.22Cl₅Br_0.29
Environment:	Assemblage of Pb-Bi sulfosalts encrusting high temperature (400-600 °C) fumaroles. OD (order-disorder) structure F2/d11 and A2/d11.
IMA Status:	Approved IMA 2003 (Dana # Added)
Locality:	Rim and inner slope of the La Fossa crater of Vulcano Island, Italy. Link to MinDat.org Location Data.
Name Origin:	Named for Filippo Vurro, Professor of Mineralogy at the University of Bari and specialist in the mineralogy and geochemistry of modern volcanic deposits.
Synonym:	IMA2003-027