
Minerals
Minerals
Sulfur
Elemental sulfur is a lustrous, lemon yellow, crystalline mineral that forms close to volcanic vents and hot springs.
Sulfur 3D Model by Rutgers University Geology Museum
Willemite-Franklinite
Found in Franklin, New Jersey, this willemite-franklinite rock shines a bright flourescent green under UV light.
Willemite-Franklinite 3D Model by Rutgers University Geology Museum
Fluorite
Flourite is a mineral made up of calcium and flourine. While pure flourite is colorless and transparent, impurities cause samples of flourite to show color and exhibit flourescence under ultraviolet light.
Flourite 3D Model by Rutgers University Geology Museum
Talc
Talc is a sheet silicate distinguished from all other minerals by its extreme softness, a property caused by talc’s loosely connected sheets that slip easily under pressure.
Talc 3D Model by Rutgers University Geology Museum
Muscovite Mica
Muscovite is the most common mica. Like other micas, muscovite is known for its perfect cleavage which allows it to be split easily into very thin, flexible sheets.
Muscovite 3D Model by Rutgers University Geology Museum
