Jadarite Mineral Data

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General Jadarite Information

Chemical Formula:

LiNaB3SiO7(OH)

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

Empirical Formula:

Li_1.08Na_1.07B₃Si_0.97O_6.99(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:

Jadarite

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

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

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 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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Whitfield P S , Le Page Y , Grice J D , Stanley C J , Jones G C , Rumsey M S , Blake C , Roberts A C , Stirling J A R , Carpenter G J C , Acta Crystallographica, Section B , 63 (2007) p.396-401, LiNaSiB3O7(OH) - novel structure of the new borosilicate mineral jadarite, determined from laboratory powder diffraction data, Locality: Jadar basin, Serbia

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:

PE_Jadarite= 0.84 barns/electron
U=PE_Jadarite 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

(54.02)with B in [4] coordination

(54.02.04)Howlite and related species

54.02.04.01 Garrelsite-VIII Ba3NaSi2B7O16(OH)4 C 2/c 2/m

54.02.04.02 Jadarite! LiNaB3SiO7(OH) P 2₁/n 2/m

54.02.04.03 Okanoganite-(Y) (Na,Ca)3(Y,Ce)12Si6B2O27F14 R 3m 3m

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

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 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Jadarite Specimen Label here :

Jadarite

LiNaB3SiO7(OH)
Dana No: 54.02.04.02 Strunz No: 09.AJ.40
Locality:

Notes: