Trace Elements and Minerals in Fumarolic Sulfur: The Case of Ebeko Volcano, Kuriles

Table 4

Phase list and occurrence frequencies of minerals in fumarolic sulfur from Ebeko.

Composition	Name	Occurrence
Ag2S	Argentite	Moderate
As4S4	Realgar	Moderate
Au2Pd	Palladian gold	Single
BaSO4	Barite	Moderate
B(OH)3	Sassolite	Rare
CaF2	Fluorite	Rare
CaSO4	Anhydrite	Moderate
CaWO4	Scheelite	Moderate
CdIn2S4	Cadmoindite	Rare
(Cu,Sn)S	Copper-tin sulfide	Rare
Cu3SbS4	Famatinite	Rare
CuS	Covellite	Rare
Cu2S	Chalcocite	Rare
FeS2	Pyrite	Major
HgS	Cinnabar	Rare
KAl3(SO4)2(OH)6	Alunite	Major
(NH4)As4O6(I)	Iodine-lucabindiite	Rare
Ni, Fe, S	Native nickel	Single
PbCl2	Cotunnite	Moderate
PbSO4	Anglesite	Rare
S	Native sulfur	Major
Sb2S3	Stibnite	Rare
SiO2nH2O	Opal	Major
TiO2	Rutile	Moderate
ZrSiO4	Zircon	Moderate
	Pyroxene	Moderate
	Plagioclase	Moderate
	Magnetite	Moderate
	Glass	Moderate