Schlossmacherite Mineral Data

Advertisment

Your premier supplier of quality mineral specimens from Southern Africa and the world at large

General Schlossmacherite Information

Chemical Formula:

(H3O,Ca)Al3(AsO4,SO4)2(OH)6

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

Empirical Formula:

(H₃O)_0.75Ca_0.25Al₃(AsO₄)_1.5(SO₄)_0.5(OH)₆

IMA Status:

Approved IMA 1980

Locality:

Emma Luisa mine, Guanaco, Chile. Link to MinDat.org Location Data.

Name Origin:

Named for Karl Schlossmacher (1887-?), mineralogist and honorary member of the German Gemological Society.

Name Pronunciation:

Schlossmacherite + Pronunciation

Schlossmacherite Image

Images:

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

Axial Ratios:

a:c = 1:2.3821

Cell Dimensions:

a = 6.998, c = 16.67, Z = 3; V = 706.99 Den(Calc)= 3.27

Crystal System:

Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.96(1), 4.92(0.7), 2.98(0.5),

Physical Properties of Schlossmacherite

Color:

Gray green, Light green.

Density:

Diaphaneity:

Transparent to Translucent

Hardness:

3-4 - Calcite-Fluorite

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Schlossmacherite

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

Optical Data:

Uniaxial (+), e=1.597.

Calculated Properties of Schlossmacherite

Electron Density:

Bulk Density (Electron Density)=2.95 gm/cc
note: Specific Gravity of Schlossmacherite =3.00 gm/cc.

Fermion Index:

Fermion Index = 0.0005354848
Boson Index = 0.9994645152

Photoelectric:

PE_{Schlossmacherite}= 17.04 barns/electron
U=PE_{Schlossmacherite} x rElectron Density= 50.21 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Schlossmacherite is Not Radioactive

Schlossmacherite Classification

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

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

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

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

Search for Schlossmacherite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Schlossmacherite :

A Bijoux Google Search for Schlossmacherite
Adam's Minerals Google Search for Schlossmacherite
Cape Minerals Google Search for Schlossmacherite
Dakota Matrix Minerals Google Search for Schlossmacherite
Excalibur Mineral Corp. Google Search for Schlossmacherite
Exceptional Minerals Google Search for Schlossmacherite
John Betts Fine Minerals Search for Schlossmacherite
McDougall Minerals Google Search for Schlossmacherite
Mineral News Website Link
Rock and Mineral Shows Google Search for Schlossmacherite
Weinrich Minerals, Inc. Google Search for Schlossmacherite

Ask about Schlossmacherite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

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: