General Magnesiohogbomite-2N2S Information
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Chemical Formula: |
(Al,Fe++,Fe+++,Mg,Ti,Zn)11O15(OH) |
Composition: |
Molecular Weight = 423.03 gm |
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Magnesium 3.45 % Mg 5.72 % MgO |
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Titanium 3.40 % Ti 5.66 % TiO2 |
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Aluminum 31.89 % Al 60.26 % Al2O3 |
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Zinc 3.09 % Zn 3.85 % ZnO |
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Iron 17.16 % Fe 16.98 % FeO / 5.66 % Fe2O3 |
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Hydrogen 0.17 % H 1.49 % H2O |
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Oxygen 40.85 % O |
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______ ______ |
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100.00 % 99.62 % = TOTAL OXIDE |
Empirical Formula: |
Fe2+Fe3+0.3Mg0.6Zn0.2Al5Ti0.3O10.1(OH)0.7 |
Environment: |
Metamorphosed iron ore deposits. |
IMA Status: |
Approved IMA 1963 |
Locality: |
Ruoutevare district, Lapland, Norway. Link to MinDat.org Location Data. |
Name Origin: |
Named for Arvid Gustaf Hogbom (1857-1940), Swedish geologist, University of Upplala and the crystal structure. (S=Spinel, N=Nolanite Layers). |
Synonym: |
Hoegbomite |
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Hogbomite-8H |
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IMA2001-A |
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Search for Magnesiohogbomite-2N2S Images |
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Magnesiohogbomite-2N2S Crystallography
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Axial Ratios: |
a:c = 1:3.20701 |
Cell Dimensions: |
a = 5.734, c = 18.389, Z = 3; V = 523.61 Den(Calc)= 4.02 |
Crystal System: |
Hexagonal - Dihexagonal PyramidalH-M Symbol (6mm) Space Group: P 63mc |
X Ray Diffraction: |
By Intensity(I/Io): 2.43(1), 1.43(0.5), 2.6(0.5),1.47(0.3), 2.89(0.3), 1.6(0.2), 2.05(0.2), 2.94(0.2), |
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Physical Properties of Magnesiohogbomite-2N2S
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Cleavage: |
[0001] Imperfect |
Color: |
Black. |
Density: |
3.81 |
Diaphaniety: |
Subtranslucent to opaque |
Fracture: |
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). |
Habit: |
Tabular - Form dimensions are thin in one direction. |
Hardness: |
6.5 - Pyrite |
Luster: |
Adamantine |
Streak: |
gray |
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Optical Properties of Magnesiohogbomite-2N2S
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Optical Data: |
Uniaxial (-), e=1.803-1.823, w=1.848-1.853, bire=0.0300-0.0450. |
RL Anisotrophism: |
Distinct. |
Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Magnesiohogbomite-2N2S in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
9.74 |
10.20 |

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| 420 nm |
9.28 |
9.79 |

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| 440 nm |
8.91 |
9.37 |

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| 460 nm |
8.55 |
9.08 |

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| 480 nm |
8.40 |
8.91 |

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| 500 nm |
8.31 |
8.88 |

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| 520 nm |
8.27 |
8.80 |

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| 540 nm |
8.21 |
8.75 |

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| 560 nm |
8.16 |
8.70 |

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| 580 nm |
8.15 |
8.70 |

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| 600 nm |
8.17 |
8.70 |

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| 620 nm |
8.20 |
8.71 |

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| 640 nm |
8.24 |
8.73 |

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| 660 nm |
8.31 |
8.74 |

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| 680 nm |
8.30 |
8.75 |

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| 700 nm |
8.37 |
8.77 |

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Calculated Relative Intensity Colors of Magnesiohogbomite-2N2S in Air
Relative Intensity |
0% |
100% |
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400% |
500% |
600% |
700% |
800% |
900% |
1000% |
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| R2 |
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Calculated Properties of Magnesiohogbomite-2N2S
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Electron Density: |
relectron=3.91 gm/cc note: rMagnesiohogbomite-2N2S =4.02 gm/cc. |
Fermion Index |
Fermion Index = 0.01293 Boson Index = 0.98707 |
Photoelectric: |
PEMagnesiohogbomite-2N2S = 8.22 barns/electron U=PEMagnesiohogbomite-2N2S x relectron= 32.15 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Magnesiohogbomite-2N2S is Not Radioactive |
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Magnesiohogbomite-2N2S Classification
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Dana Class: |
7.11.7.2 (7)Multiple Oxides |
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(7.11)as titano-oxides with [4] and [6] substitutions |
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(7.11.7)Hogbomite Group (Ti>Sn) |
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7.11.7.1 Magnesiohogbomite-2N3S (Mg,Fe)1.4Ti0.3Al4O8 P 63mc 6mm |
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7.11.7.2 Magnesiohogbomite-2N2S (Al,Fe,Fe,Mg,Ti,Zn)11O15(OH) P 63mc 6mm |
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7.11.7.3 Magnesiohogbomite-6N6S (Mg,Fe)1.4Ti0.3Al4O8 R 3m 3 2/m |
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7.11.7.4 Zincohogbomite-2N2S! (Zn,Fe)(2-2x)(Ti)xAl4O8 P 63mc 6mm |
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7.11.7.5 Ferrohogbomite-2N2S! (Fe,Zn,Mg,Al)6Al14(Ti,Fe)2O30(OH)2 P 63mc 6mm |
Strunz Class: |
IV/C.07-10* IV - Oxides |
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IV/C - Oxides with metal : oxygen = 2:3 (M2O3 and related compounds) |
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IV/C.07 - Högbomite - Mengxianminite series |
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IV/C.07-10* Magnesiohogbomite-2N2S (Al,Fe,Fe,Mg,Ti,Zn)11O15(OH) P 63mc 6mm |
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IV/C.07-10** Magnesiohogbomite-2N3S (Mg,Fe)1.4Ti0.3Al4O8 P 63mc 6mm |
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IV/C.07-10 Magnesiohogbomite-6N6S (Mg,Fe)1.4Ti0.3Al4O8 R 3m 3 2/m |
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IV/C.07-15 Zincohogbomite-2N2S! (Zn,Fe)(2-2x)(Ti)xAl4O8 P 63mc 6mm |
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IV/C.07-17 Ferrohogbomite-2N2S! (Fe,Zn,Mg,Al)6Al14(Ti,Fe)2O30(OH)2 P 63mc 6mm |
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IV/C.07-20 Freudenbergite Na2Fe2Ti6O16 C 2/m 2/m |
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IV/C.07-30 Kamiokite Fe2Mo3O8 P 63mc 6mm |
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IV/C.07-40 Nolanite (V,Fe,Fe,Ti)10O14(OH)2 P 63mc 6mm |
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IV/C.07-42 Rinmanite! (Zn,Mn)2Sb2Mg2Fe4O14(OH)2 P 63mc 6mm |
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IV/C.07-45 Magnesionigerite-2N1S (Mg,Zn,Fe,Al)4(Sn,Fe)2Al10O22(OH)2 P 3m 3 2/m |
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IV/C.07-45* Magnesionigerite-6N6S (Mg,Zn,Fe,Al)4(Sn,Fe)2Al10O22(OH)2 Unk Trig |
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IV/C.07-50 Ferronigerite-2N1S (Zn,Mg,Fe)(Sn,Zn)2(Al,Fe)12O22(OH)2 P 3m or P 3m1 3 2/m
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IV/C.07-50* Ferronigerite-6N6S (Fe,Zn)4Sn2(Al,Fe)15O30(OH)2 R 3m 3 2/m |
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IV/C.07-60 Mengxianminite* (Ca,Na)3(Fe,Mn)2Mg2(Sn,Zn)5Al8O29 Unk Ortho |
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Other Magnesiohogbomite-2N2S Information
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References: |
NAME( Ford32) PHYS. PROP.(Ford32) OPTIC PROP.(AntBidBlaNic3) |
See Also: |
Links to other databases for Magnesiohogbomite-2N2S :
1 -Am. Min. Crystal Structure Database
2 -Athena
3 -Google Images
4 -Google Scholar
5 -MinDAT
6 -MinMax(Deutsch)
7 -MinMax(English)
8 -Mineralienatlas (Deutsch)
9 -QUT Mineral Atlas
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Print or Cut-and-Paste your Magnesiohogbomite-2N2S Specimen Label here :
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Magnesiohogbomite-2N2S
(Al,Fe++,Fe+++,Mg,Ti,Zn)11O15(OH)
Dana No: 7.11.7.2 Strunz No: IV/C.07-10*
Locality:
Notes:
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