Mineralogy Database

Jadarite Mineral Data

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General Jadarite Information

Help on Chemical  Formula: Chemical Formula: LiNaB3SiO7(OH)
Help on Composition: Composition: Molecular Weight = 221.63 gm
   Sodium    11.10 %  Na   14.96 % Na2O
   Lithium    3.38 %  Li    7.28 % Li2O
   Silicon   12.29 %  Si   26.30 % SiO2
   Boron     14.63 %  B    47.12 % B2O3
   Hydrogen   0.48 %  H     4.31 % H2O
   Oxygen    58.11 %  O
            ______        ______ 
            100.00 %       99.96 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Li1.08Na1.07B3Si0.97O6.99(OH)1.06
Help on Environment: 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 .
Help on IMA Status: IMA Status: Approved IMA 2006 (Dana # Added)
Help on Locality: Locality: Jadar Basin, Serbia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Synonym: Synonym: IMA2006-036

Jadarite Image

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Comments: Quarter section of drill core sample of white, massive jardarite.
Location: Jadar Basin, Serbia.. Scale: Sample Size 3 cm.
© Natrual History Museum

Jadarite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.4942:1:0.4897
Help on Cell Dimensions: Cell Dimensions: a = 6.818, b = 13.794, c = 6.756, Z = 4; beta = 111.1° V = 592.78 Den(Calc)= 2.48
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/n
Help on X Ray Diffraction: 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),

Physical Properties of Jadarite

Help on Density: Density: 2.45
Help on Diaphaneity: Diaphaneity: Translucent to Opaque
Help on Habit: Habit: Anhedral Grains - Granular minerals without the expression of crystal shapes
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Luminescence: Luminescence: Fluorescent, Short UV=weak pink orange, Long UV=weak pink orange.

Optical Properties of Jadarite

Help on Gladstone-Dale: 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
Help on Optical Data: Optical Data: Biaxial (?), a=1.536, g=1.563, bire=0.0270
Help on RL Bireflectance: RL Bireflectance: Weak.
Help on RL Color: RL Color: Dark gray with abundant white internal reflections.
Help on RL Pleochroism: RL Pleochroism: None.

Calculated Properties of Jadarite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.44 gm/cc
note: Specific Gravity of Jadarite =2.48 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.03
Boson Index = 0.97
Help on Photoelectric: Photoelectric: PEJadarite = 0.84 barns/electron
U=PEJadarite x rElectron Density= 2.06 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Jadarite is Not Radioactive

Jadarite Classification

Help on  Dana Class: Dana Class: (54)Nesosilicate Borosilicates and Some Beryllosilicates
  (54.02)with B in [4] coordination
  (54.02.04)Howlite and related species Garrelsite-VIII Ba3NaSi2B7O16(OH)4 C 2/c 2/m Jadarite! LiNaB3SiO7(OH) P 21/n 2/m Okanoganite-(Y) (Na,Ca)3(Y,Ce)12Si6B2O27F14 R 3m 3m
Help on  Strunz Class: Strunz Class: 09.AJ.40 09 - SILICATES (Germanates)
  09.A - Nesosilicates
  09.AJ -Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra,
09.AJ.40 Jadarite! LiNaB3SiO7(OH) P 21/n 2/m

Other Jadarite Information

Help on References: References: NAME( AmMin, v93:703) PHYS. PROP.(AmMin, v93:703) OPTIC PROP.(AmMin, v93:703)
Help on See Also: 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

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Dana No: Strunz No: 09.AJ.40





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