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
Warning: this large pop-up is very compute intensive and
may not work well with some computers.
Crystal Structure:
Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above
Scordari F , Mineralogical Magazine , 41 (1977) p.375-383, The crystal structure of ferrinatrite, Na3(H2O)3[Fe(SO4)3] and its relationship, to Maus s salt, (H3O)2K2{K0.5(H2O)0.5}6[Fe3O(H2O)3(SO4)6](OH)2, Locality: Sierra Gorda, Chile
Physical Properties of Ferrinatrite
Cleavage:
{1010} Perfect, {0001} Distinct
Color:
White, Pale green, Bluish green, Purplish, Colorless.
Density:
2.55 - 2.56, Average = 2.55
Diaphaneity:
Transparent
Fracture:
Splintery - Thin, elongated fractures produced by intersecting good cleavages or partings (e.g. hornblende).
Habit:
Fibrous - Crystals made up of fibers.
Habit:
Spherical - Spherical, rounded aggregates.
Hardness:
2.5 - Finger Nail
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Ferrinatrite
Gladstone-Dale:
CI meas= -0.059 (Good) - where the CI = (1-KPDmeas/KC) CI calc= 0.013 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2164,KPDmeas= 0.2321,KC= 0.2192 Ncalc = 1.56 - 1.6
Optical Data:
Uniaxial (+), w=1.559, e=1.627, bire=0.0680.
Calculated Properties of Ferrinatrite
Electron Density:
Bulk Density (Electron Density)=2.75 gm/cc note: Specific Gravity of Ferrinatrite =2.74 gm/cc.
Fermion Index:
Fermion Index = 0.0040657307 Boson Index = 0.9959342693
Photoelectric:
PEFerrinatrite = 4.67 barns/electron U=PEFerrinatrite x rElectron Density= 12.83 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Ferrinatrite is Not Radioactive