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Hjalmarite

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This page provides mineralogical data about Hjalmarite.


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Classification of HjalmariteHide

Approved, Pending publication
Approval Year:
2017

Chemical Properties of HjalmariteHide

Formula:
{Na}(NaMn}{Mg5}Si8O22(OH)2
IMA Formula:
Na(NaMn)Mg5Si8O22(OH)2

Crystallography of HjalmariteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 9.9113(3) Å, b = 18.1361(4) Å, c = 5.2831(5) Å
β = 103.658(5)°
Ratio:
a:b:c = 0.546 : 1 : 0.291
Unit Cell V:
922.80 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
8.50(44)
3.302(40)
3.164(100)
2.837(50)
2.727(30)
2.183(17)
1.670(34)
1.447(32)
Comments:
From Type Description.

Type Occurrence of HjalmariteHide

Place of Conservation of Type Material:
Type material is deposited in the mineralogical collections of the Department of Geosciences, Swedish Museum of Natural History, Box 50007, SE-10405 Stockholm, Sweden, collection number NRM #g14150

Synonyms of HjalmariteHide

Relationship of Hjalmarite to other SpeciesHide

Other Members of this group:
Ferro-fluoro-richterite{Na}{CaNa}{Fe2+5}(Si8O22)F2
Ferro-richterite{Na}{CaNa}{Fe2+5}(Si8O22)(OH)2Mon.
Fluoro-richterite{Na}{CaNa}{Mg5}(Si8O22)(F,OH)2Mon. 2/m
Potassic-ferro-richterite{K}{CaNa}{Fe2+5}Si8O22(OH)2
Potassic-fluoro-richterite{K}{CaNa}{Mg5}(Si8O22)(F,OH)2Mon.
Potassic-richterite{K}{CaNa}{Mg5}Si8O22(OH)2Mon. 2/m : B2/m
Richterite{Na}{NaCa}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m

Other InformationHide

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 HjalmariteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Holtstam, D., Cámara, F., Skogby, H. and Karlsson, A. (2017) Hjalmarite, IMA 2017-070. CNMNC Newsletter No. 40, December 2017, page 1579; Mineralogical Magazine: 81: 1577–1581

Internet Links for HjalmariteHide

Localities for HjalmariteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Austria
 
  • Tyrol
    • North Tyrol
      • Sill valley (Wipp valley)
        • Obernberg valley
Kolitsch, U., Schachinger, T. & Auer, C. (2018): 2076) Aegirin, Aegirin-Augit, Albit, Baddeleyit, Baryt, Brandtit(?), Braunit, Calcit, Canosioit, Clinosuenoit (ehemals „Manganocummingtonit“), Coelestin, Diaspor, Dolomit, Fluorapatit (As-haltig), Fluorcalcioroméit, Gamagarit, Hämatit, Hausmannit, Hjalmarit, Hollandit, Hydroxycalcioroméit, Klinochlor, Kutnohorit, Mischkristalle Manganiandrosit-(La) - Manganiakasakait-(La), Nambulit, Phlogopit, Piemontit, Pyrobelonit, Sb-haltiger Pyrophanit, Quarz, Ranciéit(?), Rhodochrosit, Rhodonit, Richterit, Rutil, Spessartin, Talk, Thorit, Tremolit, Tilasit, Titanit, Tokyoit, Wakefieldit-(Ce), Wakefieldit-(Y), Zirkon, das Sb-Analogon von Hydroxymanganopyrochlor und unbenanntes LaAsO4 vom Obernberger Tribulaun, Nordtirol - ein erster Bericht über mineralogisch komplexe, linsenförmige metamorphe Manganvererzungen. Pp. 206-213 in Walter, F. et al. (2018): Neue Mineralfunde aus Österreich LXVII. Carinthia II, 208./128., 185-254.
Sweden (TL)
 
  • Värmland
    • Filipstad
Holtstam, D., Cámara, F., Skogby, H. and Karlsson, A. (2017) Hjalmarite, IMA2017-070. CNMNC Newsletter No. 40,December 2017, page 1579; Mineralogical Magazine: 81: 1577–1581.
Mineral and/or Locality  
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