Thursday, February 13, 2014

Density of Minerals accepted values


Calcite ~2.7g/cm3 colorless, translucent – opaque CaCO3


Hematite (red) ~5.26g/cm3   comp mostly iron oxides found in crust (mantle)


Galena ~7.5 g/cm3  comp lead sulfide


Milky quartz ~2.6- 3.0 g/cm3  silicate dioxides crust


Magnetite   ~5.2 g/cm3  comp. iron oxides



Continental Crust:    2.7 to 3.0
Milky Quartz or calcite
Oceanic Crust:        3.0 to 3.3
Mantle (silicates):   3.3 to 5.7 (increasing with depth?)
magnetite or hematite 
Outer Core (liquid):  9.9 to 12.2
Inner Core (solid):  12.6 to 13.0

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