General IMA2008-006 Information Chemical Formula: |
[Na82.5Ca33K16.5](Si99Al99O396)(SO4)33•4H2O |
Composition: |
Molecular Weight = 18893.91 gm |
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Potassium 3.41 % K 4.11 % K2O |
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Sodium 10.04 % Na 13.53 % Na2O |
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Calcium 7.00 % Ca 9.79 % CaO |
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Aluminum 14.14 % Al 26.71 % Al2O3 |
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Silicon 14.72 % Si 31.48 % SiO2 |
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Hydrogen 0.04 % H 0.38 % H2O |
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Sulfur 5.60 % S 13.98 % SO3 |
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Oxygen 45.05 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
Na82.5Ca33K16.5Si99Al99O396(SO4)33•4(H2O) |
Environment: |
Cancrinite-sodalite group |
IMA Status: |
Proposed IMA 2008 (Dana # Added) |
Locality: |
Torre Stracciacappe, Trevignano community (Rome province), Latium, Italy Link to MinDat.org Location Data. |
Name Origin: |
Commission on New Minerals, Nomenclature and Classification (CNMNC) |
| | Search for IMA2008-006 Images
Images:
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| | IMA2008-006 Crystallography Axial Ratios: |
a:c = 1:6.7744 |
Cell Dimensions: |
a = 12.8742, c = 87.215, Z = 1; V = 12,518.79 Den(Calc)= 2.51 |
Crystal System: |
Trigonal - RhombohedralH-M Symbol ( 3) Space Group: P 3 |
X Ray Diffraction: |
By Intensity(I/Io): 3.691(1), 2.639(0.73), 3.587(0.7),6.85(0.66), 6.39(0.65), 3.773(0.6), 3.551(0.53), 5.74(0.52), |
| Optical Properties of IMA2008-006 Optical Data: |
NCalc= 1.5 - from Gladstone-Dale relationship (KC = 0.2012) where Ncalc=Dcalc*KC+1 |
| Calculated Properties of IMA2008-006 Electron Density: |
Bulk Density (Electron Density)=2.48 gm/cc |
note: Specific Gravity of IMA2008-006 =2.51 gm/cc. Fermion Index: |
Fermion Index = 0.0076074103 |
Boson Index = 0.9923925897 Photoelectric: |
PEIMA2008-006 = 2.68 barns/electron |
U=PEIMA2008-006 x relectron= 6.66 barns/cc. Radioactivity: |
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GRapi = 48.76 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from IMA2008-006 - barely detectable | IMA2008-006 Classification Dana Class: |
76.02.05.21 (76)Tectosilicate Al-Si Framework |
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(76.02)Feldspathoids and related species |
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(76.02.05)Cancrinite group |
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Strunz Class: |
09.FB.05 09 - SILICATES (Germanates) |
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09.F - Tektosilicates without Zeolitic H2O |
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09.FB -Tektosilicates with additional anions |
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| Other IMA2008-006 Information See Also: |
Links to other databases for IMA2008-006 : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - Google Images 4 - Google Scholar 5 - MinDAT 6 - Mineralienatlas (Deutsch) 7 - Online Mineral Museum 8 - Ruff.Info Search for IMA2008-006 using: Visit our Advertisers for IMA2008-006 : A Bijoux Google Search for IMA2008-006Adam's Minerals Google Search for IMA2008-006 Cape Minerals Google Search for IMA2008-006 Dakota Matrix Minerals Google Search for IMA2008-006 Excalibur Mineral Corp. Google Search for IMA2008-006 Exceptional Minerals Google Search for IMA2008-006 John Betts Fine Minerals Search for IMA2008-006 McDougall Minerals Google Search for IMA2008-006 Mineral News Website Link Rock and Mineral Shows Google Search for IMA2008-006 Weinrich Minerals, Inc. Google Search for IMA2008-006 Ask about IMA2008-006 here : Print or Cut-and-Paste your IMA2008-006 Specimen Label here :
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