Formula(Zn, Fe)S
OriginNikolaevskiy Mine, Dal´negorsk (Russia) 
Descriptionblack high gloss sphalerite 
Classification (Lapis) Sulfides
Crystal SystemCubic
Hardness3,5 – 4,0
ColourHighly variable, ranging from colorless to dark brown, gray, black, commonly brown, yellow, red, green
StreakPale brown to pale yellow and white
Luminescencenoe observed 
LustreResinous to adamantine
Transparency (Opacity)Transparent to translucent
CleavagePerfect
FractureConchoidal 
Magnetismnegative
Geological SettingFormed under a wide range of low- to high-temperature hydrothermal conditions
Specific Gravity4,1 g/cm3
Kristallmodell







#© Mark Holtkamp