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Classification of Kornerupine
|IMA status:||Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"|
|Strunz 8th edition ID:||8/B.31-10|
|Nickel-Strunz 10th (pending) edition ID:||9.BJ.50|
9 : SILICATES (Germanates)
B : Sorosilicates
J : Sorosilicates with Si3O10, Si4O11, etc. anions; cations in octahedral  and greater coordination
|Dana 8th edition ID:||22.214.171.124|
58 : SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
1 : Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in  and higher coordination; single and double groups (n=1, 2)
|Hey's CIM Ref.:||17.5.15|
17 : Silicates Containing other Anions
5 : Borosilicates
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Type Occurrence of Kornerupine
|Type Locality:||Fiskenaes old harbour, Fiskenaes (Fiskenaesset; Qeqertarsuatsiaat), Nuuk (Godthåb), Kitaa Province (West Greenland), Greenland|
|Year of Discovery:||1884|
Physical Properties of Kornerupine
Crystallography of Kornerupine
|Cell Parameters:||a = 15.99Å, b = 13.7Å, c = 6.7Å|
|Ratio:||a:b:c = 1.167 : 1 : 0.489|
|Unit Cell Volume:||V 1,467.72 Å³ (Calculated from Unit Cell)|
|X-Ray Powder Diffraction:|
Radiation - Copper Kα
Data courtesy of RRUFF project at University of Arizona, used with permission.
Optical Data of Kornerupine
|RI values:||nα = 1.660 - 1.671 nβ = 1.673 - 1.683 nγ = 1.674 - 1.684|
|2V:||Measured: 3° to 48°, Calculated: 30° to 32°|
|Maximum Birefringence:||δ = 0.014|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
|Dispersion:||r > v or r < v|
Chemical Properties of Kornerupine
|Essential elements:||Al, H, Mg, O, Si|
|All elements listed in formula:||Al, B, H, Mg, O, Si|
Relationship of Kornerupine to other Species
|Series:||Forms a series with Prismatine (see here)|
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Kornerupine
|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 Kornerupine
Grew, E., Herd, R., Marquez, N. (1987): Boron-bearing Kornerupine from Fiskenaesset, West Greenland: a re-examination of specimens from the type locality, Mineralogical Magazine, Vol. 51, 695 - 708
American Mineralogist (1989): 74: 642-655.
Mineralogical Magazine (1996): 60: 483-491.
American Mineralogist (1999): 84: 536-549.
Ottolini, L. and Hawthorne, F.C. (2001) SIMS ionization of hydrogen in silicates: a case study of kornerupine. Journal of Anal. At. Spectroscopy: 16: 1266-1270.
Grew, E.S., and Anovitz, L.M. (1996) BORON: Mineralogy, Petrology and Geochemistry, second edition, as revised (2002), Reviews in Mineralogy . 33, Mineralogical Society of America.
Grew, E.S., Pertsev, N.N., Vrána, S., Yates, M.G., Shearer, C.K., and Wiedenbeck, M. (1998) Kornerupine parageneses in whiteschists and other magnesian rocks: is kornerupine + talc a high-pressure assemblage equivalent to tourmaline + orthoamphibole? Contributions to Mineralogy and Petrology: 131: 22-38.
Cooper, Mark and Hawthorne, Frank C., 2009, The Crystal Chemistry of the Kornerupine-Prismatine Series. 1. Crystal Structure and Site Populations, Canadian Mineralogist, v. 47, p. 233-262.
Cooper, M.A., Hawthorne, F.C., Grew, E.S., Kyser, T.K., Rossman, G.R. (2009): The crystal chemistry of the kornerupite-prismatine series. II. The role of hydrogen. Canadian Mineralogist, 47 Canadian Mineralogist, 47, 263-274.
Hawthorne, F.C., Cooper, M.A., Grew, E.S. (2009): The crystal chemistry of the kornerupite-prismatine series. III. Chemical relations. Canadian Mineralogist, 47, 275-296.
Cooper, M.A. & Hawthorne, F.C. (2009): The crystal chemistry of the kornerupine-prismatine series. IV. Complete chemical formulae from electron-microprobe data and X-ray powder diffraction. Canadian Mineralogist, 47, 297-302.
Cooper, M.A., Hawthorne, F.C., Grew, E.S. (2009): The crystal chemistry of the kornerupite-prismatine series. V. The site of beryllium in kornerupine. Canadian Mineralogist, 47, 303-314.
Internet Links for Kornerupine
|Specimens:||The following Kornerupine specimens are currently listed for sale on minfind.com.|
Localities for Kornerupine
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: VC Quarry, Isle of Lundy, North Devon, Devon, England, UKFrom David Ifold, 20th Jun 2013 10:51:41