IMA2004-041 Mineral Data

IMA2004-041 Mineral Data

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General IMA2004-041 Information

Chemical Formula:

Ca2Fe++[ ]Mg2Fe++2Be4(PO4)6(OH)4·6(H2O)

Composition:

Molecular Weight = 1,078.30 gm

Calcium 7.43 % Ca 10.40 % CaO

Magnesium 4.51 % Mg 7.48 % MgO

Beryllium 3.34 % Be 9.28 % BeO

Iron 15.54 % Fe 19.99 % FeO

Phosphorus 17.23 % P 39.49 % P₂O₅

Hydrogen 1.50 % H 13.37 % H₂O

Oxygen 50.45 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Ca₂Fe²⁺Mg₂Fe²⁺₂Be₄(PO₄)₆(OH)₄·6(H₂O)

Environment:

Related to roscherite

IMA Status:

Proposed IMA 2004 (Dana # Added)

Locality:

Linópolis, Divino das Laranjeiras, Minas Gerais State, Brazil Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals and Mineral Names (CNMMN)

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IMA2004-041 Crystallography

Axial Ratios:

a:b:c =0.6749:1:1.0004

Cell Dimensions:

a = 6.668, b = 9.879, c = 9.883, Z = 1; alpha = 73.53°, beta = 85.6°, gamma = 86.93° V = 621.58 Den(Calc)= 2.88

Crystal System:

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

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

By Intensity(I/I_o): 5.92(1), 2.784(0.86), 3.17(0.53),9.47(0.41), 3.31(0.34), 2.202(0.32), 2.639(0.3), 2.225(0.26),

Optical Properties of IMA2004-041

Optical Data:

NCalc= 1.62 - from Gladstone-Dale relationship (KC = 0.2144) where Ncalc=Dcalc*KC+1

Calculated Properties of IMA2004-041

Electron Density:

r_electron=2.86 gm/cc
note: r_IMA2004-041=2.88 gm/cc.

Fermion Index

Fermion Index = 0.04157
Boson Index = 0.95843

Photoelectric:

PE_IMA2004-041= 6.45 barns/electron
U=PE_IMA2004-041 x r_electron= 18.47 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

IMA2004-041 is Not Radioactive

IMA2004-041 Classification

Dana Class:

42.7.7.5 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen

(42.7)where (AB)5 (XO4)3 Zq · x(H2O)

(42.7.7)Dana Group

42.7.7.1 Roscherite Ca(Mn,Fe)5Be4(PO4)6(OH)4·6(H2O) C1 1

42.7.7.3 Zanazziite Ca2(Mg,Fe)(Mg,Fe,Al,Mn,Fe)4Be4(PO4)6(OH)4·6(H2O) C 2/c 2/m

42.7.7.4 Greifensteinite! Ca2Be4(Fe,Mn)5(PO4)6(OH)4·6(H2O) C 2/c 2/m

42.7.7.5 IMA2004-041 ! Ca2Fe[]Mg2Fe2Be4(PO4)6(OH)4·6(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 - Phosphate, Basic Hydrated

Other IMA2004-041 Information

See Also:

Links to other databases for IMA2004-041 :
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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Translate IMA2004-041 Mineral Data :

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Print or Cut-and-Paste your IMA2004-041 Specimen Label here :

IMA2004-041

Ca2Fe++[ ]Mg2Fe++2Be4(PO4)6(OH)4·6(H2O)
Dana No: 42.7.7.5 Strunz No: VII/X.00-00
Locality:

Notes: