Zincochromite

From Wikipedia, the free encyclopedia

Zincochromite is a mineral; formula ZnCr₂O₄, It is the zinc analogue of Chromite, hence the name. Discovered in 1987 in South Karelia, Russia.

Physical Properties of Zoncochromite
Color:  Brownish Black.  
Diaphaniety: Translucent to Opaque  
Habit:  Euhedral Crystals - Occurs as well-formed crystals showing good external form.  
Hardness:  5.8  
Luster:  Sub Metallic  

Calculated Properties of Zincochromite

Electron Density:  Relectron=5.02 gm/cc         

Note: Zincochromite =5.32 gm/cc.

Fermion Index  Fermion Index = 0.05395

Boson Index = 0.94605

Photoelectric:  PEZincochromite = 24.45 barns/electron

U=PEZincochromite x relectron= 122.61 barns/cc.

Radioactivity:  GRapi = 0  (Gamma Ray American Petroleum Institute Units)

Zincochromite is Not Radioactive