Brass-yellow or brown, tarnished min-
eral, greenish or brownish-black streak, metallic
luster.
Habit: tabular, cickscomb aggregate, faces curved.
Color: white green.
Luster: metallic.
Diaphaneity: opaque.
Fracture: conchoidal.
Cleavage: {101}.
Twinning: {101}.
Streak: black. Pyroelectric.
Occurrence: sedimentary, magmatic, metamorphic,
and hydrothermal.
Iron sulfide is used in photovoltaics and lithium ion battery cathodes. It is also studied as a potential material for the sequestration of environmental contaminants.
Manufacture of sulfur, sulfuric acid and sulfur
dioxide, ferrous sulfate, cheap jewelry, recovery of
metals.
Often mixed with small
amounts of copper, arsenic, nickel, cobalt, gold,
selenium.
reagent type: catalyst
core: iron
