General Jadarite Information Chemical Formula: |
LiNaB3SiO7(OH) |
Composition: |
Molecular Weight = 221.63 gm |
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Sodium 11.10 % Na 14.96 % Na2O |
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Lithium 3.38 % Li 7.28 % Li2O |
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Silicon 12.29 % Si 26.30 % SiO2 |
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Boron 14.63 % B 47.12 % B2O3 |
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Hydrogen 0.48 % H 4.31 % H2O |
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Oxygen 58.11 % O |
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______ ______ |
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100.00 % 99.96 % = TOTAL OXIDE |
Empirical Formula: |
Li1.08Na1.07B3Si0.97O6.99(OH)1.06 |
Environment: |
Discovered in drill core. The Jadar Basin is composed of a sequence of oil-shales, dolomicrites and pyroclastic deposits of Neogene (Early to Middle Miocene) age. New structure type . |
IMA Status: |
Approved IMA 2006 (Dana # Added) |
Locality: |
Jadar Basin, Serbia. Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Synonym: |
IMA2006-036 |
| | Jadarite Image
Images:
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Jadarite Crystallography Axial Ratios: |
a:b:c =0.4942:1:0.4897 |
Cell Dimensions: |
a = 6.818, b = 13.794, c = 6.756, Z = 4; beta = 111.1° V = 592.78 Den(Calc)= 2.48 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/n |
X Ray Diffraction: |
By Intensity(I/Io): 2.946(1), 3.18(0.82), 2.241(0.74),3.152(0.74), 4.666(0.62), 3.027(0.4), 3.716(0.39), 2.252(0.38), |
Crystal Structure:
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Mouse
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| Physical Properties of Jadarite Density: |
2.45 |
Diaphaneity: |
Translucent to Opaque |
Habit: |
Anhedral Grains - Granular minerals without the expression of crystal shapes |
Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
Luminescence: |
Fluorescent, Short UV=weak pink orange, Long UV=weak pink orange. |
| Optical Properties of Jadarite Gladstone-Dale: |
CI meas= -0.013 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= -0.001 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2216,KPDmeas= 0.2243,KC= 0.2214 Ncalc = 1.54 - 1.55 Optical Data: |
Biaxial (?), a=1.536, g=1.563, bire=0.0270 |
RL Bireflectance: |
Weak. |
RL Color: |
Dark gray with abundant white internal reflections. |
RL Pleochroism: |
None. |
| Calculated Properties of Jadarite Electron Density: |
Bulk Density (Electron Density)=2.44 gm/cc |
note: Specific Gravity of Jadarite =2.48 gm/cc. Fermion Index: |
Fermion Index = 0.03 |
Boson Index = 0.97 Photoelectric: |
PEJadarite = 0.84 barns/electron |
U=PEJadarite x rElectron Density= 2.06 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Jadarite is Not Radioactive | Jadarite Classification Dana Class: |
54.02.04.02 (54)Nesosilicate Borosilicates and Some Beryllosilicates |
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(54.02)with B in [4] coordination |
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(54.02.04)Howlite and related species |
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Strunz Class: |
09.AJ.40 09 - SILICATES (Germanates) |
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09.A - Nesosilicates |
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09.AJ -Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra, |
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| Other Jadarite Information References: |
NAME( AmMin, v93:703) PHYS. PROP.(AmMin, v93:703) OPTIC PROP.(AmMin, v93:703) |
See Also: |
Links to other databases for Jadarite : |
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 Jadarite using: Visit our Advertisers for Jadarite : A Bijoux Google Search for JadariteAdam's Minerals Google Search for Jadarite Cape Minerals Google Search for Jadarite Dakota Matrix Minerals Google Search for Jadarite Excalibur Mineral Corp. Google Search for Jadarite Exceptional Minerals Google Search for Jadarite John Betts Fine Minerals Search for Jadarite McDougall Minerals Google Search for Jadarite Mineral News Website Link Rock and Mineral Shows Google Search for Jadarite Weinrich Minerals, Inc. Google Search for Jadarite Ask about Jadarite here : Print or Cut-and-Paste your Jadarite Specimen Label here :
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