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Ingersonite Mineral Data
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General Ingersonite Information
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 Chemical Formula: |
Ca3Mn++Sb+++++4O14 |
| Composition: |
Molecular Weight = 882.79 gm |
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Calcium 13.30 % Ca 18.61 % CaO |
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Magnesium 0.14 % Mg 0.23 % MgO |
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Manganese 6.60 % Mn 8.52 % MnO |
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Iron 0.06 % Fe 0.08 % FeO |
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Antimony 54.48 % Sb 72.37 % Sb2O5 |
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Oxygen 25.10 % O |
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Fluorine 0.32 % F 0.32 % F |
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- %
F -0.14 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ca2.93Mn2+1.06Fe2+0.01Sb3.95Mg0.05F0.15O13.85 |
| Environment: |
Rare accessory to Mn ores. |
| IMA Status: |
Approved IMA 1988 |
| Locality: |
Found on the dumps at the Lanban mine, Varmland, Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
Named for F. Earl Ingerson (1906-1993), U. S. Geochemist. |
| Name Pronunciation: |
Ingersonite + Pronunciation  |
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Ingersonite Image |
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Images:
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Ingersonite
Comments: Yellowish green crystals of ingersonite to about 0.7mm embedded in matrix rich in dark grains of flipstadite.
Location: Langban, Varmland, Sweden.
Scale: 14x10x6mm.
© Tom Loomis / Dakota Matrix |
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Ingersonite Crystallography
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| Axial Ratios: |
a:c = 1:2.41746 |
| Cell Dimensions: |
a = 7.282, c = 17.604, Z = 3; V = 808.43 Den(Calc)= 5.44 |
| Crystal System: |
Trigonal - Trapezohedral H-M Symbol (3 2) Space Group: P 3121 |
| X Ray Diffraction: |
By Intensity(I/Io): 2.971(1), 1.55(0.8), 1.819(0.7), |
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Physical Properties of Ingersonite
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| Cleavage: |
{0001} Perfect |
| Color: |
Brownish yellow. |
| Diaphaneity: |
Transparent to Translucent |
| Habit: |
Subhedral Crystals - Occurs as crystals which tend to exhibit a recognizable crystal shape. |
| Hardness: |
6.5 - Pyrite |
| Luster: |
Vitreous (Glassy) |
| Streak: |
brownish yellow |
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Optical Properties of Ingersonite
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| Gladstone-Dale: |
CI calc= -0.013 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1696,KC= 0.1674
Ncalc = 1.91 |
| Optical Data: |
Uniaxial (-), e=1.91-1.92, w=1.93, bire=0.0100-0.0200. |
| RL Color: |
Light gray with yellow and white internal reflections. |
| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Ingersonite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
11.16 |
11.40 |
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| 420 nm |
10.94 |
11.13 |
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| 440 nm |
10.74 |
10.88 |
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| 460 nm |
10.52 |
10.66 |
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| 480 nm |
10.34 |
10.48 |
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| 500 nm |
10.18 |
10.32 |
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| 520 nm |
10.05 |
10.19 |
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| 540 nm |
9.96 |
10.09 |
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| 560 nm |
9.91 |
10.04 |
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| 580 nm |
9.89 |
10.01 |
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| 600 nm |
9.89 |
10.02 |
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| 620 nm |
9.90 |
10.03 |
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| 640 nm |
9.90 |
10.03 |
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| 660 nm |
9.91 |
10.03 |
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| 680 nm |
9.91 |
10.03 |
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| 700 nm |
9.91 |
10.03 |
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Calculated Relative Intensity Colors of Ingersonite in Air
Relative
Intensity |
0% |
90% |
100% |
180% |
270% |
360% |
450% |
540% |
630% |
720% |
810% |
880% |
| R1 |
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| R2 |
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Calculated Properties of Ingersonite
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| Electron Density: |
Bulk Density (Electron Density)=4.92 gm/cc
note: Specific Gravity of Ingersonite =5.44 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0004511343
Boson Index = 0.9995488657 |
| Photoelectric: |
PEIngersonite = 180.63 barns/electron
U=PEIngersonite x rElectron Density= 889.48 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Ingersonite is Not Radioactive |
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Ingersonite Classification
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| Dana Class: |
44.01.02.01 (44)Antimonates |
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(44.01)(A)2 (X2 O6) (O,OH,F) |
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(44.01.02)Dana Group |
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44.01.02.01 Ingersonite Ca3MnSb4O14 P 3121 3 2 |
| Strunz Class: |
04.DH.40 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.D - Metal:Oxygen = 1:2 and similar |
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04.DH -With large (� medium-sized) cations; sheets of edge-sharing octahedra |
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04.DH.40 Ingersonite Ca3MnSb4O14 P 3121 3 2 |
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Other Ingersonite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Dana8, AmMin v92:947) OPTIC PROP.(AntBidBlaNic3, Dana8) |
| See Also: |
Links to other databases for Ingersonite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
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Ingersonite
Ca3Mn++Sb+++++4O14
Dana No: 44.01.02.01 Strunz No: 04.DH.40
Locality:
Notes:
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