IMA2004-038 Mineral Data

IMA2004-038 Mineral Data

General IMA2004-038 Information

Chemical Formula:

Cu13(AsO4)6(AsO3OH)4·23(H2O)

Composition:

Molecular Weight = 2,633.67 gm

Copper 31.37 % Cu 39.26 % CuO

Arsenic 28.45 % As 43.63 % As₂O₅

Hydrogen 1.91 % H 17.10 % H₂O

Oxygen 38.27 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Cu₁₃(AsO₄)₆(AsO₃OH)₄·23(H₂O)

IMA Status:

Proposed IMA 2004 (Dana # Added)

Locality:

Krásno near Horní Slavkov, Bohemia, Czech Republic Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals and Mineral Names (CNMMN)

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IMA2004-038 Crystallography

Axial Ratios:

a:b:c =0.4422:1:1.1389

Cell Dimensions:

a = 6.408, b = 14.491, c = 16.505, Z = 1; alpha = 102.87°, beta = 101.32°, gamma = 97.13° V = 1,453.73 Den(Calc)= 3.01

Crystal System:

Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 11.98(1), 5.99(0.6), 2.967(0.5),3.448(0.5), 2.4(0.4), 2.895(0.3), 6.99(0.3), 15.7(0.3),

Optical Properties of IMA2004-038

Optical Data:

NCalc= 1.59 - from Gladstone-Dale relationship (KC = 0.1956) where Ncalc=Dcalc*KC+1

Calculated Properties of IMA2004-038

Electron Density:

r_electron=2.88 gm/cc
note: r_IMA2004-038=3.01 gm/cc.

Fermion Index

Fermion Index = 0.00018
Boson Index = 0.99982

Photoelectric:

PE_IMA2004-038= 33.08 barns/electron
U=PE_IMA2004-038 x r_electron= 95.36 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

IMA2004-038 is Not Radioactive

IMA2004-038 Classification

Dana Class:

39.3.11.1 (39)Hydrated Acid Phosphates, etc

(39.3)with miscellaneous formulae

(39.3.11)Dana Group

39.3.11.1 IMA2004-038 ! Cu13(AsO4)6(AsO3OH)4·23(H2O) P1 1

Strunz Class:

VII/X.00-00 VII - Phosphates, Arsenates and Vanadates

VII/X - Unclassified Strunz Phosphates, Arsenates and Vanadates

VII/X.00 - Arsenate, Basic Hydrated

Other IMA2004-038 Information

See Also:

Links to other databases for IMA2004-038 :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch)

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Print or Cut-and-Paste your IMA2004-038 Specimen Label here :

IMA2004-038

Cu13(AsO4)6(AsO3OH)4·23(H2O)
Dana No: 39.3.11.1 Strunz No: VII/X.00-00
Locality:

Notes: