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Jadar Valley, Serbia
© NHM 2007
|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, Be 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:|
Physical Properties of Jadarite
|Diaphaneity (Transparency):||Translucent, Opaque|
|Hardness (Mohs):||4 - 5|
|Hardness (Vickers):||VHN200=343 - 426 kg/mm2|
|Density (measured):||2.45 g/cm3|
|Density (calculated):||2.46 g/cm3|
Crystallography of Jadarite
|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 Å³|
|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:|
Optical Data of Jadarite
|Internal Reflections:||Abundant white|
Chemical Properties of Jadarite
|Simplified for copy/paste:||LiNaSiB3O7(OH)|
|All elements listed in formula:||B, H, Li, Na, O, Si|
Relationship of Jadarite to other Species
|Related Minerals - Nickel-Strunz Grouping):|
Other Names for Jadarite
|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
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.
Internet Links for Jadarite
Localities for Jadarite
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.
(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.
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Locality Updated: Aggeneys, Namakwa District (Namaqualand), Northern Cape Province, South AfricaFrom Debbie Woolf, 17th Apr 2014 21:10:59