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Ferrinatrite Mineral Data

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General Ferrinatrite Information

Help on Chemical  Formula: Chemical Formula: Na3Fe+++(SO4)3•3(H2O)
Help on Composition: Composition: Molecular Weight = 501.07 gm
   Sodium    13.76 %  Na   18.55 % Na2O
   Iron      11.15 %  Fe   15.94 % Fe2O3
   Hydrogen   1.61 %  H    14.38 % H2O
   Sulfur    19.20 %  S    47.94 % SO3
   Oxygen    54.28 %  O
            ______        ______ 
            100.00 %       96.81 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na3Fe3+(SO4)3(OH)2•3(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1889
Help on Locality: Locality: Mina la Compania, Sierra Gorda, Atacama Desert, Chile Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its chemical composition of FERRIc iron and NATRIum (Sodium).
Help on Name Pronunciation: Name Pronunciation: Ferrinatrite Say FERRINATRITE
Help on Synonym: Synonym: ICSD 14003
  PDF 41-609

Ferrinatrite Image

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Comments: White spherical aggregates of ferrinatrite with gypsum needles.
Location: Willi Agatz Mine, Dresden, Saxony, Germany. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

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  Rozenite   Ferrinatrite   Copiapite

Comments: White powdery rozenite coating with yellow ferrinatrite on purple copiapite.
Location: Le Cetine Mine, Siena, Tuscany, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ferrinatrite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.55684
Help on Cell Dimensions: Cell Dimensions: a = 15.57, c = 8.67, Z = 6; V = 1,820.23 Den(Calc)= 2.74
Help on Crystal System: Crystal System: Trigonal - Rhombohedral H-M Symbol ( 3) Space Group: P 3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.8(1), 2.91(0.8), 4.38(0.6),
Help on Forms: Forms:

Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 1 0 2) ( 1 0 1) ( 1 0 0) ( 1 1 0) ( 0 1 1) ( 0 0 1)

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Physical Properties of Ferrinatrite

Help on Cleavage: Cleavage: {1010} Perfect, {0001} Distinct
Help on Color: Color: White, Pale green, Bluish green, Purplish, Colorless.
Help on Density: Density: 2.55 - 2.56, Average = 2.55
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Splintery - Thin, elongated fractures produced by intersecting good cleavages or partings (e.g. hornblende).
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Habit: Habit: Spherical - Spherical, rounded aggregates.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Ferrinatrite

Help on Gladstone-Dale: 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
Help on Optical Data: Optical Data: Uniaxial (+), w=1.559, e=1.627, bire=0.0680.

Calculated Properties of Ferrinatrite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.75 gm/cc
note: Specific Gravity of Ferrinatrite =2.74 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0040657307
Boson Index = 0.9959342693
Help on Photoelectric: Photoelectric: PEFerrinatrite = 4.67 barns/electron
U=PEFerrinatrite x rElectron Density= 12.83 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ferrinatrite is Not Radioactive

Ferrinatrite Classification

Help on  Dana Class: Dana Class: (29)Hydrated Acid and Sulfates
  (29.04)where (A+)2 Bn (XO4)p � x(H2O)
  (29.04.04)Dana Group Ferrinatrite Na3Fe(SO4)3•3(H2O) P 3 3
Help on  Strunz Class: Strunz Class: 07.CC.35 07 - SULFATES (SELENATES, TELLURATES)
  07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O
  07.CC -With medium-sized and large cations
07.CC.35 Ferrinatrite Na3Fe(SO4)3•3(H2O) P 3 3

Other Ferrinatrite Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Ferrinatrite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 07.CC.35





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