Vurroite
Pb20Sn2(Bi,As)22S54Cl6 [CNMNC approved formula]
Named for Filippo Vurro, Professor of Mineralogy at the University of Bari and specialist in the mineralogy and geochemistry of modern volcanic deposits.
IMA status : | Approved Species 2003 () |
CLASSIFICATION | |
Dana (8th edition) : |
03.06.23.01 |
(03) Sulfides - Sulfosalts | |
(03.06) where 2 < z/y < 2.49 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals | |
(03.06.23) | |
Nickel-Strunz (10th edition) : |
02.JB.65 |
(02) Sulfides | |
(02.J) Sulfosalts of PbS Archetype | |
(02.JB) Galena derivatives, with Pb | |
Crystal system: | Monoclinic System |
Point group (H-M): | 2/m — prismatic |