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6½ - 7
for the prismatic form of the crystals

Classification of Prismatine


9 : SILICATES (Germanates)
B : Sorosilicates
J : Sorosilicates with Si3O10, Si4O11, etc. anions; cations in octahedral [6] and greater coordination URL:
Please feel free to link to this page.

Type Occurrence of Prismatine

Year of Discovery:

Physical Properties of Prismatine

Hardness (Mohs):
6½ - 7

Crystallography of Prismatine

Crystal System:

Optical Data of Prismatine

Biaxial (-)
RI values:
nα = 1.669 - 1.671 nβ = 1.681 - 1.830 nγ = 1.682 - 1.684
Max Birefringence:
δ = 0.013
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
r > v strong

Chemical Properties of Prismatine

Essential elements:
All elements listed in formula:

Relationship of Prismatine to other Species

Forms a series with Kornerupine (see here)
9.BJ.05OrientiteCa8Mn103+(SiO4)3(Si3O10)3(OH)10 · 4H2O
9.BJ.35RuiziteCa2Mn23+[(OH)2|H2Si4O13] · 2H2O
9.BJ.60HubeiteCa2Mn2+Fe3+[HSi4O13] · 2H2O

Other Names for Prismatine

Name in Other Languages:

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Prismatine

Reference List:
Sauer, A. (1886): (Über eine eigentümliche Granulitart als Muttergestein zweier neuer Mineralspecies).- Zeitschrift der Deutschen Geologischen Gesellschaft 38, 704-705.

Cooper, M.A., Hawthorne, F.C., Grew, E.S. (2009): The crystal chemistry of the kornerupite-prismatine series. I. Crystal structure and site population. Canadian Mineralogist, 47, 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 Prismatine

Localities for Prismatine

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
  • Eastern Antarctica
    • Princess Elizabeth Land
      • Ingrid Christensen Coast
        • Prydz Bay
Can Min 41, (2), 2003, 393-411; Wadokski, E. R. Grew, E.S. & Yates, M.G. (2011): Compositional evolution of tourmaline-supergroup minerals from granitic pegmatites in the Larsemann Hills, East Antartica. Canadian Mineralogist. 49: 382-405
  • Québec
    • Outaouais
      • La Vallée-de-la-Gatineau RCM
        • Lac-Sainte-Marie (Lac Ste Marie)
personal comm. Dr. E. Grew - L. Horvath; pers. comm. Dr. E. Grew - L. Horvath
Germany (TL)
  • Saxony
    • Döbeln
      • Waldheim
A. Sauer (1886) Zeitschrift der Deutschen Geologischen Gesellschaft 38, 704-705; Grew, E.S., M.A. Cooper & F.C. Hawthorne (1996): Prismatine: Revalidation for boron-rich compositions in the kornerupine group. Mineralogical Magazine 60, 483-491.
  • Košice Region
    • Rožňava Co.
Pauliš P., Ďuďa R., 2002:Nejznámejší mineralogická nalezište Slovenska. Kuttna, Kutná Hora, 136p
  • Hälsingland
    • Nordanstig
      • Hassela
GFF 118 (1996), A52-A53; Grew, E.S., Pertsev, N.N., Vrána, S., Yates, M.G., Shearer, C.K., and Wiedenbeck, M. (1998): Contributions to Mineralogy and Petrology 131, 22-38.
  • Viloyati Mukhtori Gorno-Badakhshan (Viloyati Badakhshoni Kuni)
    • Pamir Mts
      • Pyandzh River Valley
        • Kukh-i-Lal (Kukhilal; Kuhi-lal)
Grew, E.S., Pertsev, N.N., Vrána, S., Yates, M.G., Shearer, C.K., and Wiedenbeck, M. (1998): Contributions to Mineralogy and Petrology 131, 22-38.
  • New Jersey
    • Morris Co.
      • Jefferson Township
Young, Davis, 1995,Kornerupine-group Minerals in Grenville-Facies Paragneiss, Reading Prong, New Jersey, The Canadian Mineralogist, v. 33, p. 1255-1262.
        • Tierneys Corner; Canadian Mineralogist: 33(6): 1255-1262.
  • New York
    • Lewis Co.
      • Lyonsdale
Darling, R.S., Florence, F.P., Lester, G.W., and Whitney, P.R., 2004, Petrogenesis of prismatine-bearing, metapelitic gneisses along the Moose River, west-central Adirondacks, New York: in Tollo, R.P., Corriveau, L. McLelland, J., and Bartholomew, M.J., eds., Proterozoic tectonic evolution of the Grenville orogen in North America: Boulder Colorado, Geological Society of America Memoir 197, p. 325-336. George Robinson & Steven Chamberlain (2007) Gazetteer of major New York State mineral localities. Rocks & Minerals, 82, #6, 472-483.
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