Mineralogy Database

Pushcharovskite Mineral Data

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General Pushcharovskite Information

Help on Chemical  Formula: Chemical Formula: Cu(AsO3OH)•1.5(H2O)
Help on Composition: Composition: Molecular Weight = 230.50 gm
   Copper    27.57 %  Cu   34.51 % CuO
   Arsenic   32.50 %  As   49.86 % As2O5
   Hydrogen   1.75 %  H    15.63 % H2O
   Oxygen    38.18 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu(AsO3OH)•1.5(H2O)
Help on Environment: Environment: A polymorph of germinite.
Help on IMA Status: IMA Status: Approved IMA 1996 (Dana # Added)
Help on Locality: Locality: The Cap Garonne mine, near Le Pradet, Var, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Dmitry Yurievich Pushcharovsky (b. 1944), crystallographer, Moscow State University, Russia.
Help on Name Pronunciation: Name Pronunciation: Pushcharovskite + Pronunciation Say PUSHCHAROVSKITE
Help on Synonym: Synonym: ICSD 411236
  PDF 51-1590

Pushcharovskite Image

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Comments: Light bluish, acicular crystals of pushcharovskite.
Location: Salsigne Mine, Montagne Noire, Aude, Languedoc-Roussillon, France. Scale: Picture size 1.2 mm.
© Thomas Witzke / Abraxas-Verlag

Pushcharovskite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8691:1:1.2246
Help on Cell Dimensions: Cell Dimensions: a = 13.6164, b = 15.6672, c = 19.1869, Z = 32; alpha = 106.933°, beta = 91.531°, gamma = 98.4° V = 3,872.31 Den(Calc)= 3.16
Help on Crystal System: Crystal System: Triclinic Space Group: P1 or P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 11(1), 18.3(0.25), 3.878(0.2),3.389(0.15), 5.79(0.15),

Physical Properties of Pushcharovskite

Help on Color: Color: Very light green, Colorless.
Help on Density: Density: 3.35
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Fibrous - Thin, elongated fractures produced by crystal forms or intersecting cleavages (e.g. asbestos).
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Pushcharovskite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.017 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.075 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.207,KPDmeas= 0.1959,KC= 0.1926
Ncalc = 1.61 - 1.65
Help on Optical Data: Optical Data: Biaxial (+), a=1.602, b=1.642, g=1.725, bire=0.1230, 2V(Calc)=74, 2V(Meas)=70. Dispersion r > v medium.

Calculated Properties of Pushcharovskite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.20 gm/cc
note: Specific Gravity of Pushcharovskite =3.35 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001858738
Boson Index = 0.9998141262
Help on Photoelectric: Photoelectric: PEPushcharovskite = 34.26 barns/electron
U=PEPushcharovskite x rElectron Density= 109.56 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Pushcharovskite is Not Radioactive

Pushcharovskite Classification

Help on  Dana Class: Dana Class: (40)Hydrated Phosphates, etc
  (40.05)with miscellaneous formulae
  (40.05.12)Dana Group Geminite Cu2As2O7•3(H2O) P1 or P1 Tri Pushcharovskite! Cu(AsO3OH)•1.5(H2O) P1 or P1 Tri
Help on  Strunz Class: Strunz Class: 08.CA.55 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CA -With small and large/medium cations
08.CA.55 Pushcharovskite! Cu(AsO3OH)•1.5(H2O) P1 or P1 Tri

Other Pushcharovskite Information

Help on References: References: NAME( MinRec) PHYS. PROP.(AmMin Vol. 85, p 1847) OPTIC PROP.(MinRec)
Help on See Also: See Also: Links to other databases for Pushcharovskite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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Dana No: Strunz No: 08.CA.55





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