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Physical Properties of Erythrosiderite
Cleavage:
{210} Perfect, {011} Perfect
Color:
Brown red, Red.
Density:
2.372
Diaphaneity:
Transparent to Translucent
Habit:
Pseudo Octohedral - Crystals show an octohedral outline.
Habit:
Tabular - Form dimensions are thin in one direction.
Luster:
Vitreous (Glassy)
Optical Properties of Erythrosiderite
Optical Data:
Biaxial (+), a=1.715, b=1.75, g=1.8, bire=0.0850, 2V(Calc)=82, 2V(Meas)=62. Dispersion strong, r > v.
Calculated Properties of Erythrosiderite
Electron Density:
Bulk Density (Electron Density)=2.23 gm/cc note: Specific Gravity of Erythrosiderite =2.31 gm/cc.
Fermion Index:
Fermion Index = 0.0036478605 Boson Index = 0.9963521395
Photoelectric:
PEErythrosiderite = 11.09 barns/electron U=PEErythrosiderite x relectron= 24.74 barns/cc.
Radioactivity:
GRapi = 330.84 (Gamma Ray American Petroleum Institute Units)
Concentration of Erythrosiderite per GRapi unit = 0.30 (%)
Estimated Radioactivity from Erythrosiderite - barely detectable
Chemical Formula: 
- barely detectable