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Somewhat similar to gaidonnayite. Chemically also somehow related to kapustinite and litvinskite.

Brusk-like acicular crystals, in cellular to spherulitic intergrowths.

Reported from sodalite syenite of Mt. Karnasurt, as a product of eudialyte alteration.

Possibly equal to UM1967-14-SiO:HMnNaZr, given as "M35", (Na,X)2(Zr,Mn3+)Si3(O,OH)9•nH2O, a potential "H,Mn-analogue" of gaidonnayite.

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Physical Properties of UM1967-11-SiO:HMnNaZrHide

2.2 (lowered due to porosity?)

Chemical Properties of UM1967-11-SiO:HMnNaZrHide


X-Ray Powder DiffractionHide

Powder Diffraction Data:
5.92 (90)
3.14 (100)
2.98 (45)
1.679 (40)
Different from kapustinite and litvinskite

Other InformationHide

Thermal Behaviour:
100-300oC: water loss; ca. 160oC: endothermal peak; ca. 330oC: exothermal break
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 UM1967-11-SiO:HMnNaZrHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Semenov, E.I. (1967): Hydrous Zirconium Silicates. Mineralogy of Pegmatites and Hydrothermalites of Alkalic Massifs. Izdat. "Nauka": 3-13 (in Russian; in: Fleischer, M. (1969): New mineral names. American Mineralogist: 54: 1222
Smith, D.G.W., Nickel, E.H. (2007): A System of Codification for Unnamed Minerals: Report of the SubCommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification. Canadian Mineralogist: 45: 983-1055; (2016)
Semenov (1967): 14 (UM1967-14-SiO:HMnNaZr)
Khomyakov (1995) (UM1967-14-SiO:HMnNaZr)

Internet Links for UM1967-11-SiO:HMnNaZrHide

Localities for UM1967-11-SiO:HMnNaZrHide

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.
  • Northern Region
    • Murmanskaya Oblast'
      • Lovozero Massif
Semenov, E.I. (1967): Hydrous Zirconium Silicates. Mineralogy of Pegmatites and Hydrothermalites of Alkalic Massifs. Izdat. "Nauka": 3-13 (in Russian; in: Fleischer, M. (1969): New mineral names. American Mineralogist: 54: 1222
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