Sabieite Mineral Data

Sabieite Mineral Data
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General Sabieite Information

Help on Chemical Formula: Chemical Formula: (NH4)Fe+++(SO4)2
Help on Composition: Composition: Molecular Weight = 266.01 gm
   Iron      20.99 %  Fe   30.02 % Fe2O3
   Hydrogen   1.52 %  H      -   % Calc as (NH4)2O
   Sulfur    24.11 %  S    60.20 % SO3
   Nitrogen   5.27 %  N     9.79 % (NH4)2O
   Oxygen    48.12 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: (NH4)Fe3+(SO4)2
Help on Environment: Environment: Derived from the dehydration of lonecreekite.
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Lone Creek cavern, near Sabie, Transvaal, South Africa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Sabieite Say SABIEITE
 

Sabieite Image

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Sabieite

Comments: Massive, porous aggregate of sabieite.
Location: Carola Mine, Freital, Dresden, Saxony, Germany. Scale: Picture size 4.5 cm.
© Thomas Witzke / Abraxas-Verlag

Sabieite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.69423
Help on Cell Dimensions: Cell Dimensions: a = 4.822, c = 8.1696, Z = 1; V = 164.51 Den(Calc)= 2.68
Help on Crystal System: Crystal System: Trigonal - TrapezohedralH-M Symbol (3 2) Space Group: P 321
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 8.19(1), 2.409(0.3), 3.72(0.2),
 

Physical Properties of Sabieite

Help on Color: Color: White.
Help on Density: Density: 2.68 - 2.69, Average = 2.68
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Habit: Habit: Powdery - Forms a loose, poorly-coherent pulverulent mass.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: white
 

Optical Properties of Sabieite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.086 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.088 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2188,KPDmeas= 0.2184,KC= 0.2011
Ncalc = 1.54
Help on Optical Data: Optical Data: Uniaxial (+), w=1.578, e=1.595, bire=0.0170.
 

Calculated Properties of Sabieite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.68 gm/cc
note: Specific Gravity of Sabieite =2.69 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PESabieite = 7.60 barns/electron
U=PESabieite x rElectron Density= 20.39 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sabieite is Not Radioactive
 

Sabieite Classification
Help on Dana Class: Dana Class: 28.03.05.01 (28)Anhydrous Acid and Sulfates
  (28.03)(A++) XO4
  (28.03.05)Dana Group
 
28.03.05.01 Sabieite (NH4)Fe(SO4)2 P 321 3 2
 
28.03.05.02 Godovikovite (NH4)(Al,Fe)(SO4)2 P 321 3 2
Help on Strunz Class: Strunz Class: 07.AC.20 07 - SULFATES (SELENATES, TELLURATES)
  07.A - Sulfates (selenates, etc.) without Additional Anions, without H2O
  07.AC -With medium-sized and large cations
 
07.AC.20 Godovikovite (NH4)(Al,Fe)(SO4)2 P 321 3 2
 
07.AC.20 Sabieite (NH4)Fe(SO4)2 P 321 3 2
 

Other Sabieite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Sabieite :
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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Print or Cut-and-Paste your Sabieite Specimen Label here :

Sabieite

(NH4)Fe+++(SO4)2
Dana No: 28.03.05.01 Strunz No: 07.AC.20
Locality:

 

Notes: