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Dietrichite Mineral Data

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General Dietrichite Information

Help on Chemical  Formula: Chemical Formula: (Zn,Fe++,Mn)Al2(SO4)4•22(H2O)
Help on Composition: Composition: Molecular Weight = 896.04 gm
   Manganese   0.61 %  Mn    0.79 % MnO
   Aluminum    6.02 %  Al   11.38 % Al2O3
   Zinc        4.38 %  Zn    5.45 % ZnO
   Iron        1.87 %  Fe    2.41 % FeO
   Hydrogen    4.95 %  H    44.23 % H2O
   Sulfur     14.31 %  S    35.74 % SO3
   Oxygen     67.85 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn0.6Fe2+0.3Mn2+0.1Al2(SO4)4•22(H2O)
Help on Environment: Environment: Post-mining efflorescences in abandoned mine workings.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1878
Help on Locality: Locality: Baia Sprie (Felsobanya), Romania. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Gustav Heinrich Dietrich, from Pribram, Czech Republic, who analyzed the first specimens.
Help on Name Pronunciation: Name Pronunciation: Dietrichite + Pronunciation Say DIETRICHITE
 

Dietrichite Image

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  Dietrichite

Comments: Pale beige fibrous dietrichite.
Location: Baia Sprie, Transylvania, Maramures, Romania. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Dietrichite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.2553:1:0.8749
Help on Cell Dimensions: Cell Dimensions: a = 6.24, b = 24.434, c = 21.379, Z = 4; beta = 100.1° V = 3,209.10 Den(Calc)= 1.85
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.52(1), 4.33(1), 4.84(0.4),
 

Physical Properties of Dietrichite

Help on Color: Color: Brownish yellow, Gray white.
Help on Density: Density: 1.8
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Dietrichite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.061 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= -0.032 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.26,KPDmeas= 0.2672,KC= 0.2519
Ncalc = 1.45 - 1.47
Help on Optical Data: Optical Data: Biaxial (+), a=1.475, b=1.48, g=1.488, bire=0.0130, 2V(Calc)=78, 2V(Meas)=70.
 

Calculated Properties of Dietrichite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.93 gm/cc
note: Specific Gravity of Dietrichite =1.85 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0035983421
Boson Index = 0.9964016579
Help on Photoelectric: Photoelectric: PEDietrichite = 3.84 barns/electron
U=PEDietrichite x rElectron Density= 7.40 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Dietrichite is Not Radioactive
 

Dietrichite Classification

Help on  Dana Class: Dana Class: 29.07.03.04 (29)Hydrated Acid and Sulfates
  (29.07)where A (B)2 (XO4)4 � x(H2O)
  (29.07.03)Halotrichite Group (Monoclinic with 22 H2O)
 
29.07.03.01 Pickeringite MgAl2(SO4)4•22(H2O) P 2 2
 
29.07.03.02 Halotrichite FeAl2(SO4)4•22(H2O) P 2 2
 
29.07.03.03 Apjohnite MnAl2(SO4)4•22(H2O) P 21/c 2/m
 
29.07.03.04 Dietrichite (Zn,Fe,Mn)Al2(SO4)4•22(H2O) P 21/c 2/m
 
29.07.03.05 Bilinite FeFe2(SO4)4•22(H2O) P 21/c 2/m
 
29.07.03.06 Redingtonite (Fe,Mg,Ni)(Cr,Al)2(SO4)4•22(H2O) Mono
 
29.07.03.07 Wupatkiite (Co,Mg,Ni)Al2(SO4)4•22(H2O) P 21/c 2/m
Help on  Strunz Class: Strunz Class: 07.CB.85 07 - SULFATES (SELENATES, TELLURATES)
  07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O
  07.CB -With only medium-sized cations
 
07.CB.85 Bilinite FeFe2(SO4)4•22(H2O) P 21/c 2/m
 
07.CB.85 Apjohnite MnAl2(SO4)4•22(H2O) P 21/c 2/m
 
07.CB.85 Dietrichite (Zn,Fe,Mn)Al2(SO4)4•22(H2O) P 21/c 2/m
 
07.CB.85 Halotrichite FeAl2(SO4)4•22(H2O) P 2 2
 
07.CB.85 Pickeringite MgAl2(SO4)4•22(H2O) P 2 2
 
07.CB.85 Redingtonite (Fe,Mg,Ni)(Cr,Al)2(SO4)4•22(H2O) Mono
 
07.CB.85 Wupatkiite (Co,Mg,Ni)Al2(SO4)4•22(H2O) P 21/c 2/m
 

Other Dietrichite Information

Help on References: References: NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Dietrichite :
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 Dietrichite Specimen Label here :

Dietrichite

(Zn,Fe++,Mn)Al2(SO4)4•22(H2O)
Dana No: 29.07.03.04 Strunz No: 07.CB.85
Locality:

 

Notes:

 

 
   
 


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