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Jadarite

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Jadar Valley, Serbia
© NHM 2007

Formula:
LiNaSiB
 
3
O
 
7
(OH)
System:MonoclinicColour:White
Hardness:4 - 5
Name:After the type locality, the Jadar Basin, Serbia, where it was discovered during mineral explorations.


It has been widely reported in the media that this mineral has a similar composition to the mythical "Kryptonite" of Superman fame. That claims to be a "sodium lithium boron silicate hydroxide with fluorine", and Jadarite is similar (except it does not contain fluorine).

So far the effects of Jadarite on superheroes have not been noted by researchers.

Classification of Jadarite

IMA status:Approved 2006
Nickel-Strunz 10th (pending) edition ID:9.AJ.40

9 : SILICATES (Germanates)
A : Nesosilicates
J : Nesosilicates with BO3 triangles and/or B[4], Be[4] tetrahedra, cornersharing with SiO4
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Type Occurrence of Jadarite

Type Locality:Jadar Valley, Serbia
General Appearance of Type Material:Massive white aggregates.
Year of Discovery:2006
Associated Minerals at type locality:
SearlesiteRutileQuartzPyriteMuscovite
K FeldsparIlmeniteDolomiteChlorite GroupCalcite
AnalcimeAlbite

Physical Properties of Jadarite

Lustre:Dull
Diaphaneity (Transparency):Translucent, Opaque
Comment:Actually porcellaneous.
Colour:White
Streak:White
Hardness (Mohs):4 - 5
Hardness (Vickers):VHN200=343 - 426 kg/mm2
Tenacity:Brittle
Fracture:Irregular/Uneven, Conchoidal
Density (measured):2.45 g/cm3
Density (calculated):2.46 g/cm3

Crystallography of Jadarite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Cell Parameters:a = 6.816(2) Å, b = 13.789(2) Å, c = 6.758(2) Å
β = 111.08(2)°
Ratio:a:b:c = 0.494 : 1 : 0.49
Unit Cell Volume:V 592.8 ų
Z:4
Morphology:Massive aggregates, several meters thick. Individual subhedral (tabular, elongate) to anhedral crystals rarely exceed 5 - 10 μm in size. Platy habit.
Twinning:Exhibited by transmitted light in plates and grains in some crystallites.
Comment:P21/c setting given in Whitfield et al. (2007)
X-Ray Powder Diffraction:
d-spacingIntensity
4.666 (62)
3.716 (39)
3.180 (82)
3.152 (74)
3.027 (40)
2.946 (100)
2.252 (38)

Optical Data of Jadarite

Type:Biaxial
Internal Reflections:Abundant white
Pleochroism:Non-pleochroic

Chemical Properties of Jadarite

Formula:
LiNaSiB
 
3
O
 
7
(OH)
Essential elements:
All elements listed in formula:B, H, Li, Na, O, Si

Relationship of Jadarite to other Species

Related Minerals - Nickel-Strunz Grouping):
9.AJ.05Grandidierite
(Mg,Fe
2+
 
)(Al,Fe
3+
 
)
 
3
[O
 
2
|BO
 
3
|SiO
 
4
]
9.AJ.05Ominelite
(Fe
2+
 
,Mg)(Al,Fe
3+
 
)
 
3
[O
 
2
|BO
 
3
|SiO
 
4
]
9.AJ.10Dumortierite
(Al,Fe
3+
 
)
 
7
[O
 
3
|BO
 
3
|(SiO
 
4
)
 
3
]
9.AJ.10Holtite
(Ta,Sb)Al
 
6
[O
 
3
|BO
 
3
|(SiO
 
4
)
 
3
]
9.AJ.10Magnesiodumortierite
(Mg,Ti,[](Al,Mg)
 
2
Al
 
4
Si
 
3
O
 
18-y
(OH)
 
y
B y = 2-3
9.AJ.15Garrelsite
Ba
 
3
NaSi
 
2
B
 
7
O
 
16
(OH)
 
4
9.AJ.20Bakerite
Ca
 
4
B
 
4
[(OH)
 
4
|HBO
 
4
|(SiO
 
4
)
 
3
]
9.AJ.20Datolite
CaB[OH|SiO
 
4
]
9.AJ.20Gadolinite-(Ce)
(Ce,La,Nd,Y)
 
2
Fe
2+
 
Be
 
2
[O|SiO
 
4
]
 
2
9.AJ.20Gadolinite-(Y)
Y
 
2
Fe
2+
 
Be
 
2
[O|SiO
 
4
]
 
2
9.AJ.20Hingganite-(Ce)
Ce
 
2
□Be
 
2
Si
 
2
O
 
8
(OH)
 
2
9.AJ.20Hingganite-(Y)
(Y,Yb,Er)Be[OH|SiO
 
4
]
9.AJ.20Hingganite-(Yb)
(Yb,Y)Be[OH|SiO
 
4
]
9.AJ.20Homilite
Ca
 
2
(Fe
2+
 
,Mg)B
 
2
[O|SiO
 
4
]
 
2
9.AJ.20Melanocerite-(Ce)
(Ce,Ca)
 
5
(Si,B)
 
3
O
 
12
(OH,F)·nH
 
2
O
9.AJ.20Minasgeraisite-(Y)
Y
 
2
CaBe
 
2
[O|SiO
 
4
]
 
2
9.AJ.20Calcybeborosilite-(Y)
(Y,Ca)
 
2
(B,Be)
 
2
[SiO
 
4
]
 
2
(OH,O)
 
2
9.AJ.25Stillwellite-(Ce)
(Ce,La,Ca)BSiO
 
5
9.AJ.30Cappelenite-(Y)
Ba(Y,Ce)
 
6
Si
 
3
B
 
6
O
 
24
F
 
2
9.AJ.35Okanoganite-(Y)
(Na,Ca)
 
3
(Y,Ce)
 
12
Si
 
6
B
 
2
O
 
27
F
 
14
9.AJ.35Vicanite-(Ce)
(Ca,Ce,La,Th)
 
15
As
5+
 
(As
3+
0.5
,Na
 
0.5
)Fe
3+
 
Si
 
6
B
 
4
O
 
40
F
 
7
9.AJ.35Hundholmenite-(Y)
(Y,REE,Ca,Na)
 
15
(Al,Fe
3+
 
)(Ca
 
x
As
3+
1-x
)(Si,As
5+
 
)Si
 
6
B
 
3
(O,F)
 
48
9.AJ.35IMA2008-007
(Y,REE,Ca,Na,Mn)
 
15
Fe
2+
 
Ca(P,Si)Si
 
6
B
 
3
(O,F)
 
48

Other Names for Jadarite

Synonyms:
IMA2006-036

Other Information

Fluorescence in UV light:Weak pink-orange (LW & SW UV).
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Jadarite

Reference List:New Minerals Approved in 2006: November 2006 - IMA-CNMNC website

Whitfield, P.S., Y. Le Page, J.D. Grice, C.J. Stanley, G.C. Jones, M.S. Rumsey, C. Blake, A.C. Roberts, J.A.R. Stirling and G.J.C. Carpenter (2007): LiNaSiB3O7(OH) - novel structure of the new borosilicate mineral jadarite determined from laboratory powder diffraction data. Acta Crystallogr. B63, 396-401.

Stanley, C.J., Jones, G.C., Rumsey, M.S., Blake, C., Roberts, A.C., Stirling, J.A.R., Carpenter, G.J.C., Whitfield, P.S., Grice, J.D., LePage, Y. (2007): Jadarite, LiNaSiB3O7(OH), a new mineral species from the Jadar Basin, Serbia. European Journal of Mineralogy, 19, 575-580.

http://news.bbc.co.uk/1/hi/sci/tech/6584229.stm

Internet Links for Jadarite

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    Localities for Jadarite

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    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Serbia
     
    Stanley, C.J., Jones, G.C., Rumsey, M.S., Blake, C., Roberts, A.C., Stirling, J.A.R., Carpenter, G.J.C., Whitfield, P.S., Grice, J.D., LePage, Y. (2007): Jadarite, LiNaSiB3O7(OH), a new mineral species from the Jadar Basin, Serbia. European Journal of Mineralogy, 19, 575-580.
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