Mineralogy Database

Schlossmacherite Mineral Data

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General Schlossmacherite Information

Help on Chemical  Formula: Chemical Formula: (H3O,Ca)Al3(AsO4,SO4)2(OH)6
Help on Composition: Composition: Molecular Weight = 463.69 gm
   Calcium    2.16 %  Ca    3.02 % CaO
   Aluminum  17.46 %  Al   32.98 % Al2O3
   Arsenic   24.24 %  As   37.18 % As2O5
   Hydrogen   1.79 %  H    16.03 % H2O
   Sulfur     3.46 %  S     8.63 % SO3
   Oxygen    50.89 %  O
            ______        ______ 
            100.00 %       97.84 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: (H3O)0.75Ca0.25Al3(AsO4)1.5(SO4)0.5(OH)6
Help on IMA Status: IMA Status: Approved IMA 1980
Help on Locality: Locality: Emma Luisa mine, Guanaco, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Karl Schlossmacher (1887-?), mineralogist and honorary member of the German Gemological Society.
Help on Name Pronunciation: Name Pronunciation: Schlossmacherite + Pronunciation Say SCHLOSSMACHERITE
 

Schlossmacherite Image

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  Schlossmacherite

Comments: Small (up to 3 mm) clusters of pale yellow green Schlossmacherite crystals on a siliceous matrix.
Location: Guanaco, Chile. Scale: Picture size 5 mm.
© John Veevaert

Schlossmacherite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:2.3821
Help on Cell Dimensions: Cell Dimensions: a = 6.998, c = 16.67, Z = 3; V = 706.99 Den(Calc)= 3.27
Help on Crystal System: Crystal System: Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.96(1), 4.92(0.7), 2.98(0.5),
 

Physical Properties of Schlossmacherite

Help on Color: Color: Gray green, Light green.
Help on Density: Density: 3
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 3-4 - Calcite-Fluorite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Schlossmacherite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.027 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.108 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1826,KPDmeas= 0.199,KC= 0.2046
Ncalc = 1.61 - 1.67
Help on Optical Data: Optical Data: Uniaxial (+), e=1.597.
 

Calculated Properties of Schlossmacherite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.95 gm/cc
note: Specific Gravity of Schlossmacherite =3.00 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0005354848
Boson Index = 0.9994645152
Help on Photoelectric: Photoelectric: PESchlossmacherite = 17.04 barns/electron
U=PESchlossmacherite x rElectron Density= 50.21 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Schlossmacherite is Not Radioactive
 

Schlossmacherite Classification

Help on  Dana Class: Dana Class: 30.02.04.03 (30)Anhydrous Sulfates Containing Hydroxyl or Halogen
  (30.02)where (A B)2 XO4 Zq
  (30.02.04)Alunite Group (Alunite Subgroup)
 
30.02.04.01 Alunite KAl3(SO4)2(OH)6 R 3m, R 3m Trig
 
30.02.04.02 Natroalunite NaAl3(SO4)2(OH)6 R 3m 3 2/m
 
30.02.04.03 Schlossmacherite (H3O,Ca)Al3(AsO4,SO4)2(OH)6 R 3m 3 2/m
 
30.02.04.04 Osarizawaite PbCuAl2(SO4)2(OH)6 R 3m 3m
 
30.02.04.05 Minamiite (Na,Ca,K)Al3(SO4)2(OH)6 R 3m 3 2/m
 
30.02.04.06 Ammonioalunite (NH4)Al3(SO4)2(OH)6 R 3m 3 2/m
 
30.02.04.07 Walthierite Ba0.5Al3(SO4)2(OH)6 R 3m 3 2/m
 
30.02.04.08 Huangite Ca0.5Al3(SO4)2(OH)6 R 3m 3 2/m
Help on  Strunz Class: Strunz Class: 07.BC.10 07 - SULFATES (SELENATES, TELLURATES)
  07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O
  07.BC -With medium-sized and large cations
 
07.BC.10 Alunite KAl3(SO4)2(OH)6 R 3m, R 3m Trig
 
07.BC.10 Ammonioalunite (NH4)Al3(SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Ammoniojarosite (NH4)Fe3(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Beaverite PbCu(Fe,Al)2(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Argentojarosite AgFe3(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Huangite Ca0.5Al3(SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Dorallcharite (Tl,K)Fe3(SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Jarosite KFe3(SO4)2(OH)6 R 3 3
 
07.BC.10 Hydroniumjarosite (H3O)Fe3(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Minamiite (Na,Ca,K)Al3(SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Natrojarosite NaFe3(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Natroalunite NaAl3(SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Osarizawaite PbCuAl2(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Plumbojarosite PbFe6(SO4)4(OH)12 R 3m 3 2/m
 
07.BC.10 Schlossmacherite (H3O,Ca)Al3(AsO4,SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Walthierite Ba0.5Al3(SO4)2(OH)6 R 3m 3 2/m
 

Other Schlossmacherite 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 Schlossmacherite :
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 Schlossmacherite Specimen Label here :

Schlossmacherite

(H3O,Ca)Al3(AsO4,SO4)2(OH)6
Dana No: 30.02.04.03 Strunz No: 07.BC.10
Locality:

 

Notes:

 

 
   
 


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