Manganokukisvumite Mineral Data (original) (raw)
General Manganokukisvumite Information
Na6MnTi4Si8O28•4(H2O)
Molecular Weight = 1,130.79 gm
Potassium 0.17 % K 0.21 % K2O
Sodium 11.81 % Na 15.92 % Na2O
Calcium 0.07 % Ca 0.10 % CaO
Cerium 0.12 % Ce 0.15 % Ce2O3
Magnesium 0.15 % Mg 0.25 % MgO
Titanium 16.43 % Ti 27.41 % TiO2
Manganese 4.32 % Mn 5.58 % MnO
Niobium 0.49 % Nb 0.71 % Nb2O5
Aluminum 0.10 % Al 0.18 % Al2O3
Iron 0.44 % Fe 0.57 % FeO
Silicon 19.89 % Si 42.56 % SiO2
Hydrogen 0.71 % H 6.37 % H2O
Oxygen 45.28 % O
______ ______
100.00 % 100.01 % = TOTAL OXIDE
Na5.81K0.05Ca0.02Ce0.01Mn2+0.89Fe2+0.09Mg0.07Al0.04Ti3.88Nb0.06Si8.01O28�4(H2O)
Small cavities in albite-rich syenite breccia. Mn-dominanat analogue of kukisvumite and closely related to lintisite.
Approved IMA 2004 (Dana # Added)
Poudrette Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada. Link to MinDat.org Location Data.
Named as the manganese-dominant analogue of kukisvumite.
IMA2002-029
Manganokukisvumite Image
Manganokukisvumite Crystallography
a:b:c =3.3732:1:0.6061
a = 29.05, b = 8.612, c = 5.22, Z = 2; V = 1,305.93 Den(Calc)= 2.88
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pccn
By Intensity(I/Io): 14.47(1)(200), 3.025(0.4)(910), 2.881(0.2)(521),6.43(0.2)(310), 4.83(0.1)(600), 2.146(0.1)(930), 2.458(0.1)(402), 2.591(0.1)(721), 3.743(0.1)(701),
Physical Properties of Manganokukisvumite
None
Colorless.
2.86
Transparent
Sectile - Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Tabular - Form dimensions are thin in one direction.
5.5-6 - Knife Blade-Orthoclase
Vitreous (Glassy)
white
Optical Properties of Manganokukisvumite
CI meas= 0.031 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.038 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2538,KPDmeas= 0.2556,KC= 0.2638
Ncalc = 1.75 - 1.76
Biaxial (-), a=1.657, b=1.741-1.747, g=1.789-1.795, bire=0.1320-0.1380, 2V(Calc)=68-70, 2V(Meas)=70. Dispersion dispersion not observed.
Calculated Properties of Manganokukisvumite
Bulk Density (Electron Density)=2.81 gm/cc
note: Specific Gravity of Manganokukisvumite =2.86 gm/cc.
Fermion Index = 0.03
Boson Index = 0.97
PEManganokukisvumite = 6.18 barns/electron
U=PEManganokukisvumite x relectron= 17.38 barns/cc.
GRapi = 132.37 (Gamma Ray American Petroleum Institute Units)
Concentration of Manganokukisvumite per GRapi unit = 0.76 (%)
Estimated Radioactivity from Manganokukisvumite - barely detectable
Manganokukisvumite Classification
65.01.06.04 (65)Inosilicate Single-Width Unbranched Chains, W=1
(65.01)with chains P=2
(65.01.06)Lorenzenite group
65.01.06.01 Lorenzenite Na2Ti2Si2O9 P bcn 2/m 2/m 2/m
65.01.06.02 Kukisvumite Na6ZnTi4Si8O28•4(H2O) Pccn 2/m 2/m 2/m
65.01.06.03 Lintisite Na3LiTi2Si4O14•2(H2O) C 2/c 2/m
65.01.06.04 Manganokukisvumite! Na6MnTi4Si8O28•4(H2O) Pccn 2/m 2/m 2/m
65.01.06.05 Punkaruaivite! Li{Ti2(OH)2[Si4O11(OH)]}•H2O C 2/c 2/m
09.DB.20 09 - SILICATES (Germanates)
09.D - Inosilicates* Structural terminology according to Liebau (1985)
09.DB -Inosilicates with 2-periodic single chains, Si2O6; Pyroxene-related minerals
09.DB.20 Kukisvumite Na6ZnTi4Si8O28•4(H2O) Pccn 2/m 2/m 2/m
09.DB.20 Manganokukisvumite! Na6MnTi4Si8O28•4(H2O) Pccn 2/m 2/m 2/m
Other Manganokukisvumite Information
NAME( CanMin, v 42, p 781) PHYS. PROP.(CanMin, v 42, p 781) OPTIC PROP.(CanMin, v 42, p 781)
Links to other databases for Manganokukisvumite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info
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Manganokukisvumite
Na6MnTi4Si8O28•4(H2O)
Dana No: 65.01.06.04 Strunz No: 09.DB.20
Locality:
Notes: