Mineralogy Database

Haapalaite Mineral Data

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General Haapalaite Information

Help on Chemical  Formula: Chemical Formula: 2(Fe,Ni)S•1.6(Mg,Fe++)(OH)2
Help on Composition: Composition: Molecular Weight = 276.87 gm
   Magnesium  12.29 %  Mg
   Iron       34.29 %  Fe
   Nickel     10.60 %  Ni
   Hydrogen    1.16 %  H
   Sulfur     23.16 %  S
   Oxygen     18.49 %  O
             100.00 % 
Help on Empirical Formula: Empirical Formula: Fe2+1.5Ni0.5S2Mg1.4Fe2+0.21.6(OH)2
Help on Environment: Environment: As thin scales in the Kokka serpentine and in carbonate, rarely in chrysotile.
Help on IMA Status: IMA Status: Approved IMA 1973
Help on Locality: Locality: Kokka serpentinite, near Outokumpu, Finland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Paavo Haapala (1906-), Finnish geologist.
Help on Name Pronunciation: Name Pronunciation: Haapalaite + Pronunciation Say HAAPALAITE

Haapalaite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:9.34615
Help on Cell Dimensions: Cell Dimensions: a = 3.64, c = 34.02, Z = 3; V = 390.36 Den(Calc)= 3.53
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): 11.3(1), 5.67(0.9), 3.18(0.8),

Physical Properties of Haapalaite

Help on Cleavage: Cleavage: {???} Good
Help on Color: Color: Bronze red.
Help on Density: Density: 3.576
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Scaly - Morphology like fish scales.
Help on Habit: Habit: Thin - Flat dimensioned crystals.
Help on Hardness: Hardness: 1 - Talc
Help on Luster: Luster: Metallic

Optical Properties of Haapalaite

Help on RL Anisotrophism: RL Anisotrophism: Very strong, bronze-red to grayish white.
Help on RL Color: RL Color: Brown.
Help on RL Pleochroism: RL Pleochroism: Distinct, light brown to grayish brown.

Calculated Properties of Haapalaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.46 gm/cc
note: Specific Gravity of Haapalaite =3.53 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEHaapalaite = 15.87 barns/electron
U=PEHaapalaite x rElectron Density= 54.97 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Haapalaite is Not Radioactive

Haapalaite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.14)(Hydroxyl or Hydrated)
  (02.14.03)Dana Group Haapalaite 2(Fe,Ni)S•1.6(Mg,Fe)(OH)2 R 3m ? 3 2/m Yushkinite V1-xS•n(Mg,Al)(OH)2 P 3m1 3m
Help on  Strunz Class: Strunz Class: 02.FD.30 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.F - Sulfides of Arsenic, Alkalies; Sulfides with Halide, Oxide, Hydroxide, H2O
  02.FD -With O, OH, H2O
02.FD.30 Haapalaite 2(Fe,Ni)S•1.6(Mg,Fe)(OH)2 R 3m ? 3 2/m
02.FD.30 Valleriite 4(Fe,Cu)S•3(Mg,Al)(OH)2 R 3m 3 2/m
02.FD.30 Yushkinite V1-xS•n(Mg,Al)(OH)2 P 3m1 3m

Other Haapalaite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Haapalaite :
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
15 - Scandinavian mineral gallery

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Dana No: Strunz No: 02.FD.30





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