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Gutsevichite Mineral Data

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General Gutsevichite Information

Help on Chemical  Formula: Chemical Formula: Al3(PO4)2(OH)3•8(H2O)
Help on Composition: Composition: Molecular Weight = 466.03 gm
   Aluminum    17.37 %  Al   32.82 % Al2O3
   Phosphorus  13.29 %  P    30.46 % P2O5
   Hydrogen     4.11 %  H    36.72 % H2O
   Oxygen      65.23 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Al3(PO4)2(OH)3•8(H2O)
Help on Environment: Environment: In cavities in oxidized V-bearing shales. Discredited as being incompletly characterized.
Help on IMA Status: IMA Status: Discredited IMA 1962
Help on Locality: Locality: NW Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in 1959 for V. P. Gutsevich, geologist in Kazakhstan.

Gutsevichite Image

Click Here for Larger   Image in a New Browser Window Images:
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Comments: White efflorescence of gutsevichite on sandstone.
Location: Long Park, Uravan, Montrose County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Gutsevichite Crystallography

Help on Crystal System: Crystal System: Isometric Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.08(1), 2.51(0.9), 1.82(0.8),1.45(0.7), 3.51(0.5),

Physical Properties of Gutsevichite

Help on Color: Color: Greenish brown, Yellow green, Dark brown.
Help on Density: Density: 1.9 - 2, Average = 1.95
Help on Diaphaneity: Diaphaneity: Translucent
Help on Habit: Habit: Concretionary - Rounded massive fine-grained materials.
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Waxy
Help on Streak: Streak: white

Optical Properties of Gutsevichite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.197 (Poor) - where the CI = (1-KPDmeas/KC)
KPDmeas= 0.2974,KC= 0.2485
Ncalc = 1.47 - 1.5
Help on Optical Data: Optical Data: Isotropic, n=1.56-1.6.

Calculated Properties of Gutsevichite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.01 gm/cc
note: Specific Gravity of Gutsevichite =1.95 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0003192641
Boson Index = 0.9996807359
Help on Photoelectric: Photoelectric: PEGutsevichite = 1.23 barns/electron
U=PEGutsevichite x rElectron Density= 2.48 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Gutsevichite is Not Radioactive

Gutsevichite Classification

Help on  Dana Class: Dana Class: (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.10)where (AB)3 (XO4)2 Zq � x(H2O)
  (42.10.04)Dana Group Gutsevichite? Al3(PO4)2(OH)3•8(H2O) Unk Cubic
Help on  Strunz Class: Strunz Class: 08.DM.25 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DM -With large and medium-sized cations, (OH, etc.):RO4 > 2:1
08.DM.25 Gutsevichite? Al3(PO4)2(OH)3•8(H2O) Unk Cubic
08.DM.25 Yukonite Ca7Fe11(AsO4)9O10•24.3(H2O) None

Other Gutsevichite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Gutsevichite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Dana No: Strunz No: 08.DM.25





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