Hydrobasaluminite Mineral Data + Say HYDROBASALUMINITE

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General Hydrobasaluminite Information

Help on Chemical  Formula: Chemical Formula: Al4(SO4)(OH)10·12-36(H2O)
Help on Composition: Composition: Molecular Weight = 644.29 gm
   Aluminum  16.75 %  Al   31.65 % Al2O3
   Hydrogen   6.26 %  H    55.92 % H2O
   Sulfur     4.98 %  S    12.43 % SO3
   Oxygen    72.01 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Al4(SO4)(OH)10·15(H2O)
Help on Environment: Environment: Precursor mineral to basaluminite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1948
Help on Locality: Locality: Irchester and elsewhere in England. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition and relation to basaluminite.
Help on Synonym: Synonym: Winebergite (discredited)
 

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Hydrobasaluminite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.4921:1:1.3649
Help on Cell Dimensions: Cell Dimensions: a = 14.911, b = 9.993, c = 13.64, Z = 4; beta = 112.24° V = 1,881.24 Den(Calc)= 2.27
Help on Crystal System: Crystal System: MonoclinicSpace Group: Unk.
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 12.6(1), 5.29(0.7), 6.18(0.7),
 

Physical Properties of Hydrobasaluminite

Help on Color: Color: White.
Help on Density: Density: 2.275
Help on Fracture: Fracture: Elastic - Fragments which spring back after bending.
Help on Habit: Habit: Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite).
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: white
 

Optical Properties of Hydrobasaluminite

Help on Optical Data: Optical Data: NCalc= 1.63 - from Gladstone-Dale relationship (KC = 0.2776) where Ncalc=Dcalc*KC+1
NCalc= 1.63 - from Gladstone-Dale relationship (KC = 0.2776) where Ncalc=Dmeas*KC+1
 

Calculated Properties of Hydrobasaluminite

Help on Electron Density: Electron Density:

relectron=2.40 gm/cc
note: rHydrobasaluminite =2.27 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.00072
Boson Index = 0.99928
Help on Photoelectric: Photoelectric:

PEHydrobasaluminite = 0.95 barns/electron
U=PEHydrobasaluminite x relectron= 2.28 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Hydrobasaluminite is Not Radioactive

 

Hydrobasaluminite Classification

Help on  Dana Class: Dana Class: 31.4.6.1 (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.4)where (A+ B++)4 (XO4) Zq·x(H2O)
  (31.4.6)Dana Group
 
31.4.6.1 Hydrobasaluminite Al4(SO4)(OH)10·12-36(H2O) Unk. Mono
Help on  Strunz Class: Strunz Class: VI/D.06-70 VI - Sulfates,Chromates,Molybdates and Tungstates
  VI/D - Water-bearing sulfates with unfamiliar anions. cations of medium size
  VI/D.06 - Aluminite series, Jurbanite - Zaherite
 
VI/D.06-10 Jurbanite Al(SO4)(OH)·5(H2O) P 21/n 2/m
 
VI/D.06-20 Khademite Al(SO4)F·5(H2O) Pcab 2/m 2/m 2/m
 
VI/D.06-20* Rostite AlSO4(OH,F)·5(H2O) Pcba 2/m 2/m 2/m
 
VI/D.06-30 Meta-aluminite Al2(SO4)(OH)4·5(H2O) P 21/c ? 2/m
 
VI/D.06-40 Aluminite Al2(SO4)(OH)4·7(H2O) P 21/c 2/m
 
VI/D.06-50 Basaluminite Al4(SO4)(OH)10·5(H2O) P 21 2
 
VI/D.06-60 Felsobanyaite Al4(SO4)(OH)10·5(H2O) Unk Hex
 
VI/D.06-70 Hydrobasaluminite Al4(SO4)(OH)10·12-36(H2O) Unk. Mono
 
VI/D.06-80 Zaherite Al12(SO4)5(OH)26·20H20 P1 or P1 Tri
 

Other Hydrobasaluminite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Hydrobasaluminite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Print or Cut-and-Paste your Hydrobasaluminite Specimen Label here :

Hydrobasaluminite

Al4(SO4)(OH)10·12-36(H2O)
Dana No: 31.4.6.1 Strunz No: VI/D.06-70
Locality:

 

Notes:

 

 
   
 
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