General Kapustinite Information Chemical Formula: |
Na5.5Mn0.25ZrSi6O16(OH)2 |
Composition: |
Molecular Weight = 689.44 gm |
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Sodium 17.94 % Na 24.18 % Na2O |
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Calcium 0.12 % Ca 0.16 % CaO |
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Cerium 0.20 % Ce 0.24 % Ce2O3 |
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Yttrium 0.13 % Y 0.16 % Y2O3 |
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Zirconium 12.04 % Zr 16.26 % ZrO2 |
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Uranium 0.35 % U 0.39 % UO2 |
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Titanium 0.35 % Ti 0.58 % TiO2 |
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Manganese 1.83 % Mn 2.37 % MnO |
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Iron 0.24 % Fe 0.31 % FeO |
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Silicon 24.44 % Si 52.29 % SiO2 |
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Hydrogen 0.31 % H 2.77 % H2O |
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Neodymium 0.21 % Nd 0.24 % Nd2O3 |
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Oxygen 41.84 % O |
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______ ______ |
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100.00 % 99.97 % = TOTAL OXIDE |
Empirical Formula: |
Na5.38Y0.01Ce0.01Nd0.01U0.01Ca0.02Mn2+0.23Fe2+0.03Ti0.05Zr0.91Si6O15.91(OH)2.12 |
Environment: |
A hyperagpaitic pegmatite. |
IMA Status: |
Approved IMA 2003 (Dana # Added) |
Locality: |
Kedykverpakhk Mountain, Lovozero massif (Kola Peninsula), Russia. Link to MinDat.org Location Data. |
Name Origin: |
Named for Yu. L. Kapustin (1933-2002), Russian mineralogist who extensively studied alkaline massifs. |
Synonym: |
IMA2003-018 |
| | Kapustinite Image
Images:
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Kapustinite Crystallography Axial Ratios: |
a:b:c =1.0382:1:0.7158 |
Cell Dimensions: |
a = 10.693, b = 10.299, c = 7.373, Z = 2; beta = 91.91° V = 811.52 Den(Calc)= 2.82 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
X Ray Diffraction: |
By Intensity(I/Io): 2.651(1)(400,222), 3.27(0.92)(221,112,130), 2.58(0.91)(222,040),
3.342(0.84)(221,112), 5.313(0.51)(200,111), 3.69(0.43)(220,002), 1.849(0.39), |
Crystal Structure:
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Mouse
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| Physical Properties of Kapustinite Cleavage: |
None |
Color: |
Dark cherry red. |
Density: |
2.78 |
Diaphaneity: |
Transparent |
Fracture: |
Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz). |
Habit: |
Equant Grains - Granular material with equel dimensions in x, y, and z. |
Hardness: |
6 - Orthoclase |
Luster: |
Vitreous (Glassy) |
Streak: |
pale lilac |
| Optical Properties of Kapustinite Gladstone-Dale: |
CI meas= -0.018 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.004 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2084,KPDmeas= 0.2114,KC= 0.2077 Ncalc = 1.58 - 1.59 Optical Data: |
Biaxial (-), a=1.585, b=1.589, g=1.589, bire=0.0040 |
| Calculated Properties of Kapustinite Electron Density: |
Bulk Density (Electron Density)=2.75 gm/cc |
note: Specific Gravity of Kapustinite =2.82 gm/cc. Fermion Index: |
Fermion Index = 0.02 |
Boson Index = 0.98 Photoelectric: |
PEKapustinite = 27.97 barns/electron |
U=PEKapustinite x relectron= 76.99 barns/cc. Radioactivity: |
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GRapi = 29,152.89 (Gamma Ray American Petroleum Institute Units)
Kapustinite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.
Weight of pure Kapustinite in grams (gm) and Calculated Diameter of a Sphere with a Density of 2.82 gm/cc.* | Kapustinite Classification Dana Class: |
61.01.02a.06 (61)Cyclosilicate Six-Membered Rings |
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(61.01)with [Si6O18] rings; possible (OH) and Al substitution |
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(61.01.02a)Lovozerite group (HEX and HEX-R subgroup) |
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Strunz Class: |
09.CJ.15 09 - SILICATES (Germanates) |
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09.C - Cyclosilicates |
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09.CJ -[Si6O18]12- 6-membered single rings (sechser-Einfachringe), |
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| Other Kapustinite Information References: |
NAME( AmMin. 90:271) PHYS. PROP.(AmMin. 90:271) OPTIC PROP.(AmMin. 90:271) |
See Also: |
Links to other databases for Kapustinite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - GeoScienceWorld 4 - Google Images 5 - Google Scholar 6 - MinDAT 7 - Mineralienatlas (Deutsch) 8 - Online Mineral Museum 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Kapustinite using: Visit our Advertisers for Kapustinite : A Bijoux Google Search for KapustiniteAdam's Minerals Google Search for Kapustinite Cape Minerals Google Search for Kapustinite Dakota Matrix Minerals Google Search for Kapustinite Excalibur Mineral Corp. Google Search for Kapustinite Exceptional Minerals Google Search for Kapustinite John Betts Fine Minerals Search for Kapustinite McDougall Minerals Google Search for Kapustinite Mineral News Website Link Rock and Mineral Shows Google Search for Kapustinite Weinrich Minerals, Inc. Google Search for Kapustinite Ask about Kapustinite here : Print or Cut-and-Paste your Kapustinite Specimen Label here :
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