Noun
A common mineral of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system; iron pyrites; iron disulphide.
Source: Webster's dictionaryBerzelius and Gahn wanted to use the pyrite and they also observed that the red precipitate gave off a smell like horseradish when burned. Source: Internet
Bravoite is a nickel-cobalt bearing variety of pyrite, with > 50% substitution of Ni 2+ for Fe 2+ within pyrite. Source: Internet
Hazards A pyrite cube (center) has dissolved away from a host rock, leaving behind trace gold. Source: Internet
In contrast, some minerals, such as hematite or pyrite are opaque even in thin-section. Source: Internet
Iron pyrite is unstable in the natural environment: in nature it is always being created or being destroyed. Source: Internet
Iron pyrite was heaped up and allowed to weather (an example of an early form of heap leaching ). Source: Internet