Srebrodolskite Mineral Data + 
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- 7.11.2.1 Brownmillerite Ca2(Al,Fe)2O5 Ibmm 2/m 2/m 2/m
- 7.11.2.2 Srebrodolskite Ca2Fe2O5 P nma 2/m 2/m 2/m
- IV/A.07-10 Brownmillerite Ca2(Al,Fe)2O5 Ibmm 2/m 2/m 2/m
- IV/A.07-20 Srebrodolskite Ca2Fe2O5 P nma 2/m 2/m 2/m
- IV/A.07-30 Mayenite Ca12Al14O33 I 43d 4 3m
General Srebrodolskite Information |
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 Chemical Formula: |
Ca2Fe+++2O5 | ||
| Composition: |
Molecular Weight = 271.85 gm | ||
| Calcium 29.49 % Ca 41.26 % CaO | |||
| Iron 41.09 % Fe 58.74 % Fe2O3 | |||
| Oxygen 29.43 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Ca2Fe3+2O5 | ||
| IMA Status: |
Approved IMA 1985 | ||
| Locality: |
Link to MinDat.org Location Data. | ||
| Synonym: |
ICSD 14296 | ||
| PDF 47-1744 | |||
Srebrodolskite Image | |||
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Images:
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Srebrodolskite Crystallography |
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| Axial Ratios: |
a:b:c =0.3674:1:0.3792 | ||
| Cell Dimensions: |
a = 5.42, b = 14.752, c = 5.594, Z = 4; V = 447.27 Den(Calc)= 4.04 | ||
| Crystal System: |
Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P nma | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.676(1), 3.69(1), 7.381(1), | ||
Physical Properties of Srebrodolskite |
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| Color: |
Brown red, Black. | ||
| Density: |
4.04 | ||
| Diaphaniety: |
Subtranslucent | ||
| Hardness: |
5.5 - Knife Blade | ||
| Luster: |
Adamantine - Metallic | ||
Optical Properties of Srebrodolskite |
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| Gladstone-Dale: |
CI meas= -0.142 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.142 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.3102,KPDmeas= 0.3102,KC= 0.2717 |
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| Optical Data: |
Biaxial (-), a=2.24, b=2.25, g=2.27, bire=0.0300 | ||
Calculated Properties of Srebrodolskite |
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| Electron Density: |
relectron=3.92 gm/cc |
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| Fermion Index |
Fermion Index = 0.00924 Boson Index = 0.99076 |
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| Photoelectric: |
PESrebrodolskite = 16.02 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Srebrodolskite is Not Radioactive |
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Srebrodolskite Classification |
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| Dana Class: |
7.11.2.2 (7)Multiple Oxides | ||
| (7.11)as titano-oxides with [4] and [6] substitutions | |||
| (7.11.2)Dana Group | |||
| Strunz Class: |
IV/A.07-20 IV - Oxides | ||
| IV/A - Oxides with metal : oxygen = 1:1 and 2:1 (M2O,MO) | |||
| IV/A.07 - Periclase Group, Brownmillerite - Mayenite series | |||
Other Srebrodolskite Information |
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| References: |
PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Srebrodolskite : 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 Srebrodolskite using: Visit our Advertisers for Srebrodolskite : Translate Srebrodolskite Mineral Data : Ask about Srebrodolskite here : Print or Cut-and-Paste your Srebrodolskite Specimen Label here :
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