Mouse
Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize Keyboard
S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu
Help on Above
Forms:
( 1 2 1)
Warning: this java applet does not work in some browsers because of security restrictions.
Physical Properties of Magnesioferrite
Cleavage:
None
Color:
Brownish black, Black.
Density:
4.6 - 4.7, Average = 4.65
Diaphaneity:
Opaque
Fracture:
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Habit:
Crystalline - Fine - Occurs as well-formed fine sized crystals.
Habit:
Massive - Granular - Common texture observed in granite and other igneous rock.
Hardness:
6-6.5 - Orthoclase-Pyrite
Luminescence:
Non-fluorescent.
Luster:
Metallic
Streak:
dark red
Optical Properties of Magnesioferrite
Gladstone-Dale:
CI meas= -0.017 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= -0.042 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.304,KPDmeas= 0.2968,KC= 0.2918 Ncalc = 2.32 - 2.37
Optical Data:
Isotropic, n=2.38.
RL Color:
Gray with red internal reflections.
Reflectivity
Standardized Intensity (100%) Reflection Spectra of Magnesioferrite in Air
λ
R
∑ R(λ)
470 nm
18.90
546 nm
18.50
589 nm
18.30
650 nm
17.50
Calculated Relative Intensity Colors of Magnesioferrite in Air
Relative Intensity
0%
50%
100%
150%
200%
250%
300%
350%
400%
450%
490%
R
Calculated Properties of Magnesioferrite
Electron Density:
Bulk Density (Electron Density)=4.46 gm/cc note: Specific Gravity of Magnesioferrite =4.65 gm/cc.
Fermion Index:
Fermion Index = 0.02 Boson Index = 0.98
Photoelectric:
PEMagnesioferrite = 17.20 barns/electron U=PEMagnesioferrite x rElectron Density= 76.78 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Magnesioferrite is Not Radioactive
Chemical Formula: 
