Phosphoinnelite Mineral Data

General Phosphoinnelite Information

Chemical Formula:

Ba4Na3Ti3Si4O14(PO4,SO4)2(O,F)3

Composition:

Molecular Weight = 1,301.51 gm

Potassium 0.03 % K 0.04 % K₂O

Barium 37.88 % Ba 42.29 % BaO

Sodium 4.57 % Na 6.17 % Na₂O

Strontium 0.88 % Sr 1.03 % SrO

Calcium 0.12 % Ca 0.17 % CaO

Magnesium 0.39 % Mg 0.65 % MgO

Titanium 10.30 % Ti 17.18 % TiO₂

Niobium 0.50 % Nb 0.71 % Nb₂O₅

Aluminum 0.15 % Al 0.27 % Al₂O₃

Iron 1.12 % Fe 1.60 % Fe₂O₃

Silicon 8.48 % Si 18.14 % SiO₂

Phosphorus 2.64 % P 6.05 % P₂O₅

Sulfur 2.14 % S 5.35 % SO₃

Oxygen 30.65 % O

Fluorine 0.15 % F 0.15 % F

- % F -0.06 % -O=F₂

______ ______

100.00 % 99.75 % = TOTAL OXIDE

Empirical Formula:

Ba_3.59Sr_0.13K_0.01Na_2.59Mg_0.21Ca_0.04Ti_2.8Fe³⁺_0.26Nb_0.07Si_3.93Al_0.07O₁₄P_1.11S_0.87O_7.96 O_2.97F_0.1

Environment:

Found in peralkaline pegmatite vein crosscutting calcite carbonatite at a phlogopite deposit. Bafertisite series

IMA Status:

Approved IMA 2005 (Dana # Added)

Locality:

Mica Mine, Kovdor alkaline-ultramafic complex, Kola Peninsula, Russia Link to MinDat.org Location Data.

Name Origin:

Named as the P analog of innelite.

Synonym:

IMA2005-022

Phosphoinnelite Image

Images:

Phosphoinnelite

Comments: Yellowish inclusions of phosphoinnelite in matrix.
Location: Kovdor Phlogopite Quarry, Kovdor Massif, Kola Peninsula, Russia. Scale: Specimen Size 15x10x8 mm.
© Sergey Vasiliev / Systematic Mineralogy

Phosphoinnelite Crystallography

Axial Ratios:

a:b:c =0.7577:1:2.0788

Cell Dimensions:

a = 5.38, b = 7.1, c = 14.76, Z = 1; alpha = 99°, beta = 94.94°, gamma = 90.14° V = 554.79 Den(Calc)= 3.90

Crystal System:

Triclinic Space Group: P1 or P1

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

By Intensity(I/I_o): 14.5(1), 2.683(0.9), 2.133(0.8),2.059(0.4), 2.81(0.4), 3.455(0.4), 2.921(0.35), 3.382(0.35),

Physical Properties of Phosphoinnelite

Density:

3.82

Diaphaneity:

Transparent

Fracture:

Brittle - Generally displayed by glasses and most non-metallic minerals.

Habit:

Lath - Shaped like a small, thin plaster lath, tabular (rectangular) in shape.

Habit:

Rosette - Bundled tabular aggregates resembling rose flower petals.

Habit:

Wheat Sheaf - Bundle shaped aggregates resembling wheat sheafs after hand reaping wheat.

Hardness:

4.5-5 - Near Apatite

Luster:

Vitreous - Greasy

Streak:

pale yellow

Optical Properties of Phosphoinnelite

Gladstone-Dale:

CI meas= 0.035 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.055 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1914,KPDmeas= 0.1954,KC= 0.2025
Ncalc = 1.77 - 1.79

Optical Data:

Biaxial (+), a=1.73, b=1.745, g=1.764, bire=0.0340

Calculated Properties of Phosphoinnelite

Electron Density:

Bulk Density (Electron Density)=3.50 gm/cc
note: Specific Gravity of Phosphoinnelite =3.82 gm/cc.

Fermion Index:

Fermion Index = 0.08
Boson Index = 0.92

Photoelectric:

PE_{Phosphoinnelite}= 170.42 barns/electron
U=PE_{Phosphoinnelite} x r_electron= 596.30 barns/cc.

Radioactivity:

GRapi = 0.39 (Gamma Ray American Petroleum Institute Units)
Concentration of Phosphoinnelite per GRapi unit =254.73 (%)

Estimated Radioactivity from Phosphoinnelite - barely detectable

Phosphoinnelite Classification

Dana Class:

58.02.06.03 (58)Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups

(58.02)with cations in [6] and higher coordination; single and double groups (n=1,2)

(58.02.06)Yoshimuraite and related species

58.02.06.01 Yoshimuraite (Ba,Sr)2(Mn,Fe)2(Ti,Fe)(Si2O7)2(PO4,SO4)(OH) P1 1

58.02.06.02 Innelite (Na,Mg,Ca)2(Ba,K)4Ti3(Si2O7)2(SO4)2(OH,F) P1 1

58.02.06.03 Phosphoinnelite! Ba4Na3Ti3Si4O14(PO4,SO4)2(O,F)3 P1 or P1 Tri

Strunz Class:

09.BE.40 09 - SILICATES (Germanates)

09.B - Sorosilicates

09.BE -Si2O7 groups with additional anions;

09.BE.40 Innelite (Na,Mg,Ca)2(Ba,K)4Ti3(Si2O7)2(SO4)2(OH,F) P1 1

09.BE.40 Phosphoinnelite! Ba4Na3Ti3Si4O14(PO4,SO4)2(O,F)3 P1 or P1 Tri

Other Phosphoinnelite Information

References:

NAME( Geology of Ore Deposits, v49:530) PHYS. PROP.( Geology of Ore Deposits, v49:530) OPTIC PROP.( Geology of Ore Deposits, v49:530)

See Also:

Links to other databases for Phosphoinnelite :
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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Phosphoinnelite

Ba4Na3Ti3Si4O14(PO4,SO4)2(O,F)3
Dana No: 58.02.06.03 Strunz No: 09.BE.40
Locality:

Notes:

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