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Bukovskyite Mineral Data

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General Bukovskyite Information

Help on Chemical  Formula: Chemical Formula: Fe+++2(AsO4)(SO4)(OH)•7(H2O)
Help on Composition: Composition: Molecular Weight = 489.79 gm
   Iron      22.80 %  Fe   29.34 % FeO
   Arsenic   15.30 %  As   23.46 % As2O5
   Hydrogen   3.09 %  H    27.59 % H2O
   Sulfur     6.55 %  S    16.35 % SO3
   Oxygen    52.27 %  O
            ______        ______ 
            100.00 %       96.73 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+2(AsO4)(SO4)(OH)•7(H2O)
Help on Environment: Environment: An alteration product of arsenopyrite.
Help on IMA Status: IMA Status: Approved IMA 1967
Help on Locality: Locality: Kank, near Kutna Hora, Czech Republic. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the Czech chemist, Antonin Bukovsky (1865-1950).
Help on Name Pronunciation: Name Pronunciation: Bukovskyite + Pronunciation Say BUKOVSKYITE
 

Bukovskyite Image

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  Bukovskyite   Zykaite

Comments: Pale beige acicular crystals of bukovskýite with white zykaite.
Location: Christbescherung Mine, Großvoigtsberg, Freiberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Bukovskyite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.7615:1:0.7304
Help on Cell Dimensions: Cell Dimensions: a = 10.722, b = 14.079, c = 10.284, Z = 4; alpha = 93.5°, beta = 115.96°, gamma = 90.27° V = 1,393.16 Den(Calc)= 2.34
Help on Crystal System: Crystal System: Triclinic Space Group: P1 or P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 9.2(1), 9.6(1), 3.9(0.7),
 

Physical Properties of Bukovskyite

Help on Cleavage: Cleavage: None
Help on Color: Color: Light yellow, Orange, Greenish gray.
Help on Density: Density: 2.34
Help on Fracture: Fracture: Earthy - Dull, clay-like fractures with no visible crystalline affinities, (e.g. howlite).
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Habit: Habit: Nodular - Tuberose forms having irregular protuberances over the surface.
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: yellowish white
 

Optical Properties of Bukovskyite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.192 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.192 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2574,KPDmeas= 0.2574,KC= 0.2159
Ncalc = 1.51
Help on Optical Data: Optical Data: Biaxial (+), b=1.57-1.582, g=1.626-1.631,
 

Calculated Properties of Bukovskyite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.33 gm/cc
note: Specific Gravity of Bukovskyite =2.34 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.005581055
Boson Index = 0.994418945
Help on Photoelectric: Photoelectric: PEBukovskyite = 17.10 barns/electron
U=PEBukovskyite x rElectron Density= 39.88 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bukovskyite is Not Radioactive
 

Bukovskyite Classification

Help on  Dana Class: Dana Class: 43.05.01.02 (43)Compound Phosphates, etc.
  (43.05)(Hydrated Compound Anions With Hydroxyl or Halogen)
  (43.05.01)Sarmientite Group
 
43.05.01.01 Sarmientite Fe2(AsO4)(SO4)(OH)•5(H2O) P 21/c 2/m
 
43.05.01.02 Bukovskyite Fe2(AsO4)(SO4)(OH)•7(H2O) P1 or P1 Tri
 
43.05.01.03 Sanjuanite Al2(PO4)(SO4)(OH)•9(H2O) P1 or P1 Tri
Help on  Strunz Class: Strunz Class: 08.DB.40 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DB -With only medium-sized cations, (OH, etc.):RO4 < 1:1
 
08.DB.40 Bukovskyite Fe2(AsO4)(SO4)(OH)•7(H2O) P1 or P1 Tri
 

Other Bukovskyite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Bukovskyite :
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 Bukovskyite Specimen Label here :

Bukovskyite

Fe+++2(AsO4)(SO4)(OH)•7(H2O)
Dana No: 43.05.01.02 Strunz No: 08.DB.40
Locality:

 

Notes:

 

 
   
 


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