IMA2008-064 Mineral Data

General IMA2008-064 Information

Chemical Formula:

Na16Mn++25Al8(PO4)30

Composition:

Molecular Weight = 4,806.28 gm

Sodium 7.65 % Na 10.32 % Na₂O

Manganese 28.58 % Mn 36.90 % MnO

Aluminum 4.49 % Al 8.49 % Al₂O₃

Phosphorus 19.33 % P 44.30 % P₂O₅

Oxygen 39.95 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Na₁₆Mn²⁺₂₅Al₈(PO₄)₃₀

Environment:

Alluaudite group

IMA Status:

Proposed IMA 2009 (Dana # Added)

Locality:

Cross Lake, Manitoba, Canada Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals, Nomenclature and Classification (CNMNC)

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IMA2008-064 Crystallography

Axial Ratios:

a:b:c =1.0738:1:2.1295

Cell Dimensions:

a = 13.4517, b = 12.5266, c = 26.6765, Z = 2; beta = 101.582° V = 4,403.57 Den(Calc)= 3.62

Crystal System:

Monoclinic - DomaticH-M Symbol (m) Space Group: Pc

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

By Intensity(I/I_o): 2.715(1), 2.73(0.5), 3.494(0.47),3.078(0.27), 2.518(0.22), 2.881(0.21), 2.524(0.2), 6.26(0.2),

Optical Properties of IMA2008-064

Optical Data:

NCalc= 1.69 - from Gladstone-Dale relationship (KC = 0.1909) where Ncalc=Dcalc*KC+1

Calculated Properties of IMA2008-064

Electron Density:

Bulk Density (Electron Density)=3.49 gm/cc
note: Specific Gravity of IMA2008-064 =3.62 gm/cc.

Fermion Index:

Fermion Index = 0.0001917419
Boson Index = 0.9998082581

Photoelectric:

PE_IMA2008-064= 8.51 barns/electron
U=PE_IMA2008-064 x rElectron Density= 29.69 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2008-064 is Not Radioactive

IMA2008-064 Classification

Dana Class:

38.02.03.12 (38)Anhydrous Phosphates, etc

(38.02)(A+ B++)5 (XO4)3

(38.02.03)Alluaudite-Wyllieite Group (Alluaudite Subgroup)

38.02.03.01 Ferrohagendorfite* (Na,Ca)2Fe(Fe,Fe)2(PO4)3 I 2₁/a 2/m

38.02.03.02 Hagendorfite NaCaMn(Fe,Fe,Mg)2(PO4)3 I 2₁/a 2/m

38.02.03.03 Varulite NaCaMn(Mn,Fe,Fe)2(PO4)3 C 2/c 2/m

38.02.03.04 Maghagendorfite NaMgMn(Fe,Fe)2(PO4)3 I 2₁/a 2/m

38.02.03.05 Ferroalluaudite NaCaFe(Fe,Mn,Fe,Mg)2(PO4)3 C 2/a 2/m

38.02.03.06 Alluaudite NaCaFe(Mn,Fe,Fe,Mg)2(PO4)3 C 2/c 2/m

38.02.03.07 Odanielite Na(Zn,Mg)3H2(AsO4)3 C 2/c 2/m

38.02.03.08 Johillerite Na(Mg,Zn)3Cu(AsO4)3 I2/c 2/m

38.02.03.09 Nickenichite Na0,8Ca0,4(Mg,Fe,Al)3Cu0,4(AsO4)3 C 2/c 2/m

38.02.03.10 Yazganite! NaFe2(Mg,Mn)(AsO4)3•H2O C 2/c 2/m

38.02.03.11 IMA2008-054! NaCaMn2(PO4)[PO3(OH)]2 C 2/c 2/m

38.02.03.12 IMA2008-064! Na16Mn25Al8(PO4)30 Pc m

Strunz Class:

08.AC.90 08 - PHOSPHATES, ARSENATES, VANADATES

08.A - Phosphates, etc. without additional anions, without H2O

08.AC -With medium-sized and large cations

08.AC.90 IMA2008-064! Na16Mn25Al8(PO4)30 Pc m

Other IMA2008-064 Information

See Also:

Links to other databases for IMA2008-064 :
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 IMA2008-064 Specimen Label here :

IMA2008-064

Na16Mn++25Al8(PO4)30
Dana No: 38.02.03.12 Strunz No: 08.AC.90
Locality:

Notes: