General Litidionite Information Chemical Formula: |
KNaCuSi4O10 |
Composition: |
Molecular Weight = 397.97 gm |
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Potassium 9.82 % K 11.83 % K2O |
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Sodium 5.78 % Na 7.79 % Na2O |
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Copper 15.97 % Cu 17.98 % Cu2O |
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Silicon 28.23 % Si 60.39 % SiO2 |
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Oxygen 40.20 % O |
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______ ______ |
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100.00 % 97.99 % = TOTAL OXIDE |
Empirical Formula: |
KNaCuSi4O10 |
IMA Status: |
Valid Species (Pre-IMA) 1880 |
Locality: |
Vesuvius, Campania, Italy. Link to MinDat.org Location Data. |
Name Origin: |
Named from the Greek "LITHIDIOS" = lapilli, in allusion to the morphology. |
Name Pronunciation: |
Litidionite + Pronunciation |
Synonym: |
ICSD 4362 |
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Lithidionite |
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PDF 29-1041 |
| | Litidionite Image
Images:
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Litidionite Crystallography Axial Ratios: |
a:b:c =1.2234:1:0.8701 |
Cell Dimensions: |
a = 9.8, b = 8.01, c = 6.97, Z = 2; alpha = 114.12°, beta = 99.52°, gamma = 105.59° V = 474.37 Den(Calc)= 2.79 |
Crystal System: |
Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 |
X Ray Diffraction: |
By Intensity(I/Io): 3.37(1), 2.409(0.85), 3.22(0.75), |
Crystal Structure:
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Mouse
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| Physical Properties of Litidionite Color: |
Blue, White. |
Density: |
2.75 |
Hardness: |
5-6 - Between Apatite and Orthoclase |
Luster: |
Vitreous (Glassy) |
Streak: |
bluish white |
| Optical Properties of Litidionite Gladstone-Dale: |
CI meas= 0.008 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.056 (Good) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1941,KPDmeas= 0.204,KC= 0.2057 Ncalc = 1.57 - 1.59 Optical Data: |
Biaxial (-), a=1.548, b=1.574, , 2V(Meas)=56. |
| Calculated Properties of Litidionite Electron Density: |
Bulk Density (Electron Density)=2.69 gm/cc |
note: Specific Gravity of Litidionite =2.75 gm/cc. Fermion Index: |
Fermion Index = 0.01 |
Boson Index = 0.99 Photoelectric: |
PELitidionite = 9.04 barns/electron |
U=PELitidionite x relectron= 24.36 barns/cc. Radioactivity: |
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GRapi = 138.92 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Litidionite - barely detectable | Litidionite Classification Dana Class: |
70.01.01.01 (70)Inosilicate Column or Tube Structures |
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(70.01)with columnar silicate units |
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(70.01.01)Litidionite group |
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Strunz Class: |
09.DG.07.0 09 - SILICATES (Germanates) |
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09.D - Inosilicates* Structural terminology according to Liebau (1985) |
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09.DG -Inosilicates with 3-periodic single and multiple chains |
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| Other Litidionite Information References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Litidionite : |
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 (UofA) 9 - MinDAT 10 - Mineralienatlas (Deutsch) 11 - Online Mineral Museum 12 - QUT Mineral Atlas 13 - Ruff.Info 14 - WWW-MINCRYST Search for Litidionite using: Visit our Advertisers for Litidionite : A Bijoux Google Search for LitidioniteAdam's Minerals Google Search for Litidionite Cape Minerals Google Search for Litidionite Dakota Matrix Minerals Google Search for Litidionite Excalibur Mineral Corp. Google Search for Litidionite Exceptional Minerals Google Search for Litidionite John Betts Fine Minerals Search for Litidionite McDougall Minerals Google Search for Litidionite Mineral News Website Link Rock and Mineral Shows Google Search for Litidionite Weinrich Minerals, Inc. Google Search for Litidionite Ask about Litidionite here : Print or Cut-and-Paste your Litidionite Specimen Label here :
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