IMA2004-043 Mineral Data

IMA2004-043 Mineral Data

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General IMA2004-043 Information

Chemical Formula:

(Na37K9Ca10)S56(Si42Al42)S84O168(SO4)12·6(H2O)

Composition:

Molecular Weight = 7,864.86 gm

Potassium 4.47 % K 5.39 % K₂O

Sodium 10.82 % Na 14.58 % Na₂O

Calcium 5.10 % Ca 7.13 % CaO

Aluminum 14.41 % Al 27.22 % Al₂O₃

Silicon 15.00 % Si 32.09 % SiO₂

Hydrogen 0.15 % H 1.37 % H₂O

Sulfur 4.89 % S 12.22 % SO₃

Oxygen 45.16 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Na₃₇K₉Ca₁₀Si₄₂Al₄₂O₁₆₈(SO₄)₁₂·6(H₂O)

Environment:

Cancrinite-sodalite group

IMA Status:

Proposed IMA 2004 (Dana # Added)

Locality:

Farnese, Viterbo province, Latium, Italy Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals and Mineral Names (CNMMN)

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IMA2004-043 Crystallography

Axial Ratios:

a:c = 1:2.87363

Cell Dimensions:

a = 12.8784, c = 37.0078, Z = 1; V = 5,315.55 Den(Calc)= 2.46

Crystal System:

Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 6₃/m

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

By Intensity(I/I_o): 3.722(1), 3.485(0.65), 3.119(0.36),2.149(0.34), 2.648(0.32), 3.668(0.26), 3.862(0.23), 5.404(0.2),

Optical Properties of IMA2004-043

Optical Data:

NCalc= 1.5 - from Gladstone-Dale relationship (KC = 0.2026) where Ncalc=Dcalc*KC+1

Calculated Properties of IMA2004-043

Electron Density:

r_electron=2.43 gm/cc
note: r_IMA2004-043=2.46 gm/cc.

Fermion Index

Fermion Index = 0.00766
Boson Index = 0.99234

Photoelectric:

PE_IMA2004-043= 2.54 barns/electron
U=PE_IMA2004-043 x r_electron= 6.19 barns/cc.

Radioactivity:

GRapi = 63.91 (Gamma Ray American Petroleum Institute Units)

Estimated Radioactivity from IMA2004-043 - barely detectable

IMA2004-043 Classification

Dana Class:

76.2.5.18 (76)Tectosilicate Al-Si Framework

(76.2)Feldspathoids and related species

(76.2.5)Cancrinite group

76.2.5.1 Afghanite (Na,Ca,K)8(Si,Al)12O24(SO4,Cl,CO3)3·(H2O) P 6₃/mmc, P 6₃mc, or P 62c Hex

76.2.5.2 Bystrite (Na,K)7Ca(Si6Al6)O24S4.5·(H2O) P 3₁c 3m

76.2.5.3 Cancrinite Na6Ca2Al6Si6O24(CO3)2 P 6₃ 6

76.2.5.4 Cancrisilite Na7Al5Si7O24(C03)·3(H2O) P 6₃ 6

76.2.5.5 Davyne Na4K2Ca2Si6Al6O24(SO4)Cl2 P 6₃/m 6/m

76.2.5.6 Franzinite [(Na,K)30Ca10][Si30Al30O120](SO4)10·2(H2O) P 3₂1 3 2

76.2.5.7 Giuseppettite [Na42K16Ca6]S64Si48Al48O192(SO4)10Cl2·5H2O P 3₁c 3m

76.2.5.8 Hydroxycancrinite Na4(AlSiO4)3(OH)·(H2O) P 6₃ 6

76.2.5.9 Liottite (Ca,Na,K)8(Si,Al)12O24[(SO4),(CO3),Cl,OH]4·(H2O) P 6m2 6 m2

76.2.5.10 Microsommite (Na,Ca,K)7-8(Si,Al)12O24(Cl,SO4)2-3 P 6₃22 6 2 2

76.2.5.11 Pitiglianoite Na6K2Si6Al6O24(SO4)·2(H2O) P 6₃ 6

76.2.5.12 Quadridavyne (Na,K)6Ca2Al6Si6O24Cl4 P 6₃/m 6/m

76.2.5.13 Sacrofanite (Na,Ca,K)9Si6Al6O24[(OH),(SO4),(CO3),Cl)]4·n(H2O) P 6₃/mmc ? 6/m 2/m 2/m

76.2.5.14 Tounkite (Na,Ca,K)8Al6Si6O24(SO4)2Cl·(H2O) P 6₂22 6 2 2

76.2.5.15 Vishnevite (Na,Ca,K)6(Si,Al)12O24[(SO4),(CO3),Cl2]2-4·n(H2O) P 6₃22 6 2 2

76.2.5.16 Wenkite Ba4Ca6(Si,Al)20O39(OH)2(SO4)3·n(H2O)(?) P 62m 6 m2

76.2.5.17 Marinellite! [(Na,K)42Ca6](Si36Al36O144)(SO4)8Cl2·6(H2O) P 3₁c or P 2c Trig

76.2.5.18 IMA2004-043 ! (Na37K9Ca10)S56(Si42Al42)S84O168(SO4)12·6(H2O) P 6₃/m 6/m 2/m 2/m

Strunz Class:

VIII/JX.00-00 VIII - Silicates

VIII/JX - Unclassified Strunz Tectosilicates

VIII/JX.00 - Cancrinite-sodalite group

Other IMA2004-043 Information

See Also:

Links to other databases for IMA2004-043 :
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 IMA2004-043 Specimen Label here :

IMA2004-043

(Na37K9Ca10)S56(Si42Al42)S84O168(SO4)12·6(H2O)
Dana No: 76.2.5.18 Strunz No: VIII/JX.00-00
Locality:

Notes: