Heideite Mineral Data + 
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Worldwide Fine Minerals by B & C GOBIN
- 2.10.2.1 Wilkmanite Ni3Se4 I2/m 2/m
- 2.10.2.2 Brezinaite Cr3S4 I2/m 2/m
- 2.10.2.3 Heideite (Fe,Cr)1x(Ti,Fe)2S4 I2/m 2/m
- II/C.19-10 Troilite FeS P 63/mmc 6/m 2/m 2/m
- II/C.19-20 Pyrrhotite Fe(1-x)S(x=0-0.17) A2/a 2/m
- II/C.19-25 Jaipurite* CoS P 63/mmc 6/m 2/m 2/m
- II/C.19-30 Westerveldite (Fe,Ni,Co)As Pnam 2/m 2/m 2/m
- II/C.19-40 Modderite (Co,Fe)As Pmcn 2/m 2/m 2/m
- II/C.19-50 Smythite (Fe,Ni)9S11or(Fe,Ni)13S16 R 3m 3 2/m
- II/C.19-60 Achavalite* FeSe P 63/mmc 6/m 2/m 2/m
- II/C.19-70 Heideite (Fe,Cr)1x(Ti,Fe)2S4 I2/m 2/m
General Heideite Information |
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 Chemical Formula: |
(Fe,Cr)1+x(Ti,Fe)2S4 | ||
| Composition: |
Molecular Weight = 292.66 gm | ||
| Titanium 27.81 % Ti | |||
| Chromium 3.55 % Cr | |||
| Iron 24.81 % Fe | |||
| Sulfur 43.83 % S | |||
| ______ | |||
| 100.00 % | |||
| Empirical Formula: |
Fe2+Cr0.2Ti1.7Fe2+0.3S4 | ||
| Environment: |
In meteorites recovered on Earth. | ||
| IMA Status: |
Approved IMA 1974 | ||
| Locality: |
Bustee enstatite achondrite meteor. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named for Fritz Heide (1891-1973), meteoriticist of Jana, Germany. | ||
| Synonym: |
ICSD 42563 | ||
| PDF 20-1303 | |||
Search for Heideite Images | |||
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Images:
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Heideite Crystallography |
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| Axial Ratios: |
a:b:c =1.7456:1:3.3333 | ||
| Cell Dimensions: |
a = 5.97, b = 3.42, c = 11.4, Z = 2; beta = 90.2° V = 232.76 Den(Calc)= 4.18 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: I2/m | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.06(1), 1.72(0.75), 2.64(0.75), | ||
Physical Properties of Heideite |
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| Cleavage: |
None | ||
| Color: |
Steel gray. | ||
| Density: |
4.1 | ||
| Diaphaniety: |
Opaque | ||
| Habit: |
Anhedral Grains - Granular minerals without the expression of crystal shapes | ||
| Hardness: |
3.5-4.5 - Between Copper Penny and Fluorite-Apatite | ||
| Luster: |
Metallic | ||
Optical Properties of Heideite |
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| RL Color: |
Creamy white. | ||
| RL Pleochroism: |
Moderately strong, from purple-gray to cream-gray. | ||
Calculated Properties of Heideite |
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| Electron Density: |
relectron=4.00 gm/cc |
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| Fermion Index |
Fermion Index = 0.04788 Boson Index = 0.95212 |
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| Photoelectric: |
PEHeideite = 15.30 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Heideite is Not Radioactive |
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Heideite Classification |
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| Dana Class: |
2.10.2.3 (2)Sulfides - Including Selenides and Tellurides | ||
| (2.10)where Am Bn Xp, with (m+n):p=3:4 | |||
| (2.10.2)Dana Group | |||
| Strunz Class: |
II/C.19-70 II - Sulfides and sulphosalts | ||
| II/C - Sulfides with metal: sulfur, selenium and tellurium = 1:1 | |||
| II/C.19 - Troilite - Pyrrhotite - Haideite series | |||
Other Heideite Information |
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| References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) | ||
| See Also: |
Links to other databases for Heideite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Heideite using: Visit our Advertisers for Heideite : Translate Heideite Mineral Data : Ask about Heideite here : Print or Cut-and-Paste your Heideite Specimen Label here :
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