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Metasideronatrite Mineral Data

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General Metasideronatrite Information

Help on Chemical  Formula: Chemical Formula: Na2Fe+++(SO4)2(OH)•(H2O)
Help on Composition: Composition: Molecular Weight = 328.98 gm
   Sodium    13.98 %  Na   18.84 % Na2O
   Iron      16.98 %  Fe   24.27 % Fe2O3
   Hydrogen   0.92 %  H     8.21 % H2O
   Sulfur    19.49 %  S    48.67 % SO3
   Oxygen    48.63 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2Fe3+(SO4)2(OH)•(H2O)
Help on Environment: Environment: Associated with other secondary sulfates.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1938
Help on Locality: Locality: Chuquicamata, Antofagasta, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the similarity to sideronatrolite with a lower hydrate.
Help on Name Pronunciation: Name Pronunciation: Metasideronatrite + Pronunciation Say METASIDERONATRITE

Metasideronatrite Image

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  Metasideronatrite   Tamarugite

Comments: Orange metasideronatrite with white tamarugite.
Location: Willi Agatz Mine, Dresden, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

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  Ungemachite   Metasideronatrite

Comments: Translucent rounded ungemachite microcrystal on yellow metasideronatrite.
Location: Chuquicamata, Antofagasta, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Metasideronatrite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.1148:1:0.1217
Help on Cell Dimensions: Cell Dimensions: a = 7.36, b = 64.08, c = 7.8, Z = 16; V = 3,678.70 Den(Calc)= 2.38
Help on Crystal System: Crystal System: Orthorhombic Space Group: Pbnm or Pbn21
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.68(1), 8.05(0.9), 6.68(0.7),2.67(0.5), 2.75(0.5), 3.49(0.4), 3.15(0.3), 3.99(0.3),

Physical Properties of Metasideronatrite

Help on Cleavage: Cleavage: {100} Perfect, {010} Perfect, {001} Distinct
Help on Color: Color: Yellow, Golden yellow, Orange, Pale brown.
Help on Density: Density: 2.68
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite).
Help on Habit: Habit: Nodular - Tuberose forms having irregular protuberances over the surface.
Help on Hardness: Hardness: 1.5-2.5 - Hardness very near Gypsum
Help on Luster: Luster: Silky
Help on Streak: Streak: pale yellow

Optical Properties of Metasideronatrite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.037 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.084 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2454,KPDmeas= 0.2179,KC= 0.2263
Ncalc = 1.54 - 1.61
Help on Optical Data: Optical Data: Biaxial (+), a=1.543, b=1.575, g=1.634, bire=0.0910, 2V(Calc)=76, 2V(Meas)=60.
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): light yellow.
Help on Pleochroism (z): Pleochroism (z): brownish yellow.

Calculated Properties of Metasideronatrite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.66 gm/cc
note: Specific Gravity of Metasideronatrite =2.68 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0052958125
Boson Index = 0.9947041875
Help on Photoelectric: Photoelectric: PEMetasideronatrite = 6.42 barns/electron
U=PEMetasideronatrite x rElectron Density= 17.05 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Metasideronatrite is Not Radioactive

Metasideronatrite Classification

Help on  Dana Class: Dana Class: (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.08)where (A+ B++)3 (XO4)2 Zq�x(H2O)
  (31.08.04)Dana Group Metasideronatrite Na2Fe(SO4)2(OH)•(H2O) Pbnm or Pbn21 Ortho
Help on  Strunz Class: Strunz Class: 07.DF.20 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DF -With large and medium-sized cations
07.DF.20 Metasideronatrite Na2Fe(SO4)2(OH)•(H2O) Pbnm or Pbn21 Ortho
07.DF.20 Sideronatrite Na2Fe(SO4)2(OH)•3(H2O) Pbnm 2/m 2/m 2/m

Other Metasideronatrite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Metasideronatrite :
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.DF.20





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