General Stepanovite Information Chemical Formula: |
NaMgFe+++(C2O4)3•8-9(H2O) |
Composition: |
Molecular Weight = 520.33 gm |
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Sodium 4.42 % Na 5.96 % Na2O |
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Magnesium 4.67 % Mg 7.75 % MgO |
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Iron 10.73 % Fe 15.35 % Fe2O3 |
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Hydrogen 3.29 % H 29.43 % H2O |
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Carbon 13.85 % C 41.52 % C2O3 |
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Oxygen 63.03 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
NaMgFe3+(C2O4)3•8.5(H2O) |
IMA Status: |
Valid Species (Pre-IMA) 1953 |
Locality: |
Tyllakh coal deposit, Lena River, Siberia, Russia. Link to MinDat.org Location Data. |
Name Origin: |
Namde for Pavel Ivanovich Stepanov (1880-1047), Russian geologist. |
Name Pronunciation: |
Stepanovite + Pronunciation |
| | Stepanovite Image
Images:
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Stepanovite Crystallography Axial Ratios: |
a:c = 1:3.72662 |
Cell Dimensions: |
a = 9.84, c = 36.67, Z = 6; V = 3,074.91 Den(Calc)= 1.69 |
Crystal System: |
TrigonalSpace Group: Unk |
| Physical Properties of Stepanovite Cleavage: |
None |
Color: |
Green, Yellow green. |
Density: |
1.69 |
Diaphaneity: |
Transparent to Translucent |
Fracture: |
Irregular - Flat surfaces (not cleavage) fractured in an irregular pattern. |
Habit: |
Aggregates - Made of numerous individual crystals or clusters. |
Habit: |
Granular - Generally occurs as anhedral to subhedral crystals in matrix. |
Habit: |
Water Soluble - Water soluble mineral. |
Hardness: |
2 - Gypsum |
Luster: |
Vitreous (Glassy) |
| Optical Properties of Stepanovite Dichroism (e): |
colorless. |
Dichroism (w): |
yellowish green. |
Gladstone-Dale: |
CI meas= -0.574 (Poor) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.574 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2757,KPDmeas= 0.2757,KC= 0.1752 Ncalc = 1.3 Optical Data: |
Uniaxial (-), e=1.417, w=1.515, bire=0.0980. |
| Calculated Properties of Stepanovite Electron Density: |
Bulk Density (Electron Density)=1.73 gm/cc |
note: Specific Gravity of Stepanovite =1.69 gm/cc. Fermion Index: |
Fermion Index = 0.0087774735 |
Boson Index = 0.9912225265 Photoelectric: |
PEStepanovite = 3.47 barns/electron |
U=PEStepanovite x rElectron Density= 6.00 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Stepanovite is Not Radioactive | Stepanovite Classification Dana Class: |
50.01.07.01 (50)Salts of Organic Acids |
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(50.01)(Oxalates) |
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(50.01.07)Stepanovite Group |
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Strunz Class: |
10.AB.20 10 - ORGANIC COMPOUNDS |
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10.A - Salts of Organic Acids |
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10.AB -Oxalates |
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| Other Stepanovite Information References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) |
See Also: |
Links to other databases for Stepanovite : |
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 Search for Stepanovite using: Visit our Advertisers for Stepanovite : A Bijoux Google Search for StepanoviteAdam's Minerals Google Search for Stepanovite Cape Minerals Google Search for Stepanovite Dakota Matrix Minerals Google Search for Stepanovite Excalibur Mineral Corp. Google Search for Stepanovite Exceptional Minerals Google Search for Stepanovite John Betts Fine Minerals Search for Stepanovite McDougall Minerals Google Search for Stepanovite Mineral News Website Link Rock and Mineral Shows Google Search for Stepanovite Weinrich Minerals, Inc. Google Search for Stepanovite Ask about Stepanovite here : Print or Cut-and-Paste your Stepanovite Specimen Label here :
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