IMA2009-012 Mineral Data

General IMA2009-012 Information

Chemical Formula:

NaNa2(Mg2Al2Li)Si8O22F2

Composition:

Molecular Weight = 793.15 gm

Sodium 8.70 % Na 11.72 % Na₂O

Lithium 0.88 % Li 1.88 % Li₂O

Magnesium 6.13 % Mg 10.16 % MgO

Aluminum 6.80 % Al 12.86 % Al₂O₃

Silicon 28.33 % Si 60.60 % SiO₂

Oxygen 44.38 % O

Fluorine 4.79 % F 4.79 % F

- % F -2.02 % -O=F₂

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

NaNa₂Mg₂Al₂LiSi₈O₂₂F₂

Environment:

Amphibole group

IMA Status:

Proposed IMA 2009

Locality:

Norra Kï¿½rr, Grï¿½nna, Jï¿½nkï¿½ping, Smï¿½land, Sweden Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

IMA2009-012 Crystallography

Axial Ratios:

a:b:c =0.5472:1:0.2979

Cell Dimensions:

a = 9.7043, b = 17.7341, c = 5.2833, Z = 2; beta = 104.067° V = 881.97 Den(Calc)= 2.99

Crystal System:

Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/m

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

By Intensity(I/I_o): 2.687(1), 3.377(0.8), 4.435(0.8),2.527(0.6), 8.342(0.5), 2.259(0.4), 3.096(0.4), 2.557(0.3),

Optical Properties of IMA2009-012

Optical Data:

NCalc= 1.61 - from Gladstone-Dale relationship (KC = 0.2033) where Ncalc=Dcalc*KC+1

Calculated Properties of IMA2009-012

Electron Density:

Bulk Density (Electron Density)=2.96 gm/cc
note: Specific Gravity of IMA2009-012 =2.99 gm/cc.

Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Photoelectric:

PE_IMA2009-012= 1.59 barns/electron
U=PE_IMA2009-012 x rElectron Density= 4.70 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2009-012 is Not Radioactive

IMA2009-012 Classification

Dana Class:

65.00.00.00 (65)Inosilicate Minerals

(65.00)Without Dana Classification Numbers

(65.00.00)Group 4, the sodic amphiboles

65.00.00.00 Ashcroftine-(Ce)* K5Na5(Ce,Ca)12Si28O70(OH)2(CO3)8•8(H2O) I 4/mmm 4/m 2/m 2/m

65.00.00.00 Brokenhillite* (Mn,Fe)32[Si24O60]OH29Cl11 P 6₃mc 6mm

65.00.00.00 Grossmanite CaTiAlSiO6 C 2/m 2/m

65.00.00.00 Hypersthene? (Mg,Fe)2Si2O6 2/m 2/m 2/m

65.00.00.00 IMA2007-015 K(CaNa)(Fe3Al2)(Si6Al2)O22(OH)2 C 2/m 2/m

65.00.00.00 IMA2008-070 NaLi2(Fe2Al2Li)(Si6Al2)O22F2 C 2/m 2/m

65.00.00.00 IMA2009-010 [Ba6(PO4)2(CO3)][Fe7(OH)4Fe2O2(SiO3)8] P1 1

65.00.00.00 IMA2009-012 NaNa2(Mg2Al2Li)Si8O22F2 C 2/m 2/m

65.00.00.00 Kushiroite CaAl2SiO6 C 2/c 2/m

65.00.00.00 Plumalsite* Pb4Al2(SiO3)7(?) Unk Ortho

Strunz Class:

09.DX.00 09 - SILICATES (Germanates)

09.D - Unclassified Strunz Inosilicates

09.DX -Group 4, the sodic amphiboles

09.DX.00 Hypersthene? (Mg,Fe)2Si2O6 2/m 2/m 2/m

09.DX.00 Plumalsite* Pb4Al2(SiO3)7(?) Unk Ortho

09.DX.00 IMA2008-070 NaLi2(Fe2Al2Li)(Si6Al2)O22F2 C 2/m 2/m

09.DX.00 IMA2007-015 K(CaNa)(Fe3Al2)(Si6Al2)O22(OH)2 C 2/m 2/m

09.DX.00 Tanohataite! LiMn2Si3O8(OH) P1 1

09.DX.00 Punkaruaivite! Li{Ti2(OH)2[Si4O11(OH)]}•H2O C 2/c 2/m

09.DX.00 Yegorovite! Na4[Si2O4(OH)2]2•7H2O P 2₁/c 2/m

09.DX.00 Kushiroite CaAl2SiO6 C 2/c 2/m

09.DX.00 Grossmanite CaTiAlSiO6 C 2/m 2/m

09.DX.00 IMA2009-009 KNa2Li(Mg,Fe)2Ti2Si8O24 C 2/m 2/m

09.DX.00 IMA2009-010 [Ba6(PO4)2(CO3)][Fe7(OH)4Fe2O2(SiO3)8] P1 1

09.DX.00 IMA2009-012 NaNa2(Mg2Al2Li)Si8O22F2 C 2/m 2/m

Other IMA2009-012 Information

See Also:

Links to other databases for IMA2009-012 :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - Mineralienatlas (Deutsch)
7 - Online Mineral Museum
8 - Ruff.Info

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Print or Cut-and-Paste your IMA2009-012 Specimen Label here :

IMA2009-012

NaNa2(Mg2Al2Li)Si8O22F2
Dana No: 65.00.00.00 Strunz No: 09.DX.00
Locality:

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