Hannebachite Mineral Data

Hannebachite Mineral Data
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General Hannebachite Information

Help on Chemical Formula: Chemical Formula: 2CaSO3•(H2O)
Help on Composition: Composition: Molecular Weight = 258.30 gm
   Calcium   31.03 %  Ca   43.42 % CaO
   Hydrogen   0.78 %  H     6.97 % H2O
   Sulfur    24.83 %  S    49.61 % SO2
   Oxygen    43.36 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2(SO3)2•(H2O)
Help on Environment: Environment: Lining cavities in blocks of melilite-nepheline-leucitite at the base of a volcano.
Help on IMA Status: IMA Status: Approved IMA 1985
Help on Locality: Locality: Hannebacher Ley volcano, one km east-northeast of Hannebach, and at Kalem, near Birresborn, Eifel district, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Hannebachite + Pronunciation Say HANNEBACHITE
Help on Synonym: Synonym: ICSD 21033
  PDF 39-725
 

Hannebachite Image

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Hannebachite

Comments: Small .5 mm crystals of colorless hannebachite on matrix.
Location: Hannebach, Niederzissen, Eifel Mts, Rhineland-Palatinate, Germany. Scale: 35x35x24 mm.
© John Betts - Fine Minerals

Hannebachite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.6617:1:1.0883
Help on Cell Dimensions: Cell Dimensions: a = 6.473, b = 9.782, c = 10.646, Z = 4; V = 674.09 Den(Calc)= 2.55
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pbna
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.15(1), 2.617(0.9), 3.79(0.8),
Click Here for Large Hannebachite Structure Window Crystal Structure:

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Schropfer L , Zeitschrift fur Anorganische und Allgemeine Chemie , 401 (1973) p.1-14, Strukturelle untersuchungen an CaSO3*1/2H2O, Locality: synthetic

 

Physical Properties of Hannebachite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Colorless.
Help on Density: Density: 2.52
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Hannebachite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.011 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.023 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2392,KPDmeas= 0.2421,KC= 0.2449
Ncalc = 1.62
Help on Optical Data: Optical Data: Biaxial (+), a=1.596, b=1.6, g=1.634, bire=0.0380, 2V(Calc)=40, 2V(Meas)=38.
 

Calculated Properties of Hannebachite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.54 gm/cc
note: Specific Gravity of Hannebachite =2.52 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0024903669
Boson Index = 0.9975096331
Help on Photoelectric: Photoelectric: PEHannebachite = 5.24 barns/electron
U=PEHannebachite x rElectron Density= 13.28 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hannebachite is Not Radioactive
 

Hannebachite Classification
Help on Dana Class: Dana Class: 34.02.05.01 (34)Selenites - Tellurites - Sulfites
  (34.02)as A++ XO3 · x(H2O)
  (34.02.05)Dana Group
 
34.02.05.01 Hannebachite 2CaSO3•(H2O) Pbna 2/m 2/m 2/m
 
34.02.05.02 Gravegliaite Mn(SO3)•3(H2O) P nma 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 04.JE.10 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.J - Arsenites, Antimonites, Bismuthites, Sulfites,
  04.JE -Sulfites
 
04.JE.10 Hannebachite 2CaSO3•(H2O) Pbna 2/m 2/m 2/m
 

Other Hannebachite Information
Help on References: References: NAME( AntBidBlaNic5) PHYS. PROP.(Am.Min.,Vol.73,p928,1988) OPTIC PROP.(Am.Min.,Vol.73,p928,1988)
Help on See Also: See Also: Links to other databases for Hannebachite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Hannebachite

2CaSO3•(H2O)
Dana No: 34.02.05.01 Strunz No: 04.JE.10
Locality:

 

Notes: