UM1967-10-SiO:AlHNa
A material that is NOT an approved mineral species
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Formula:
NaAlSiO4 · H2O
Colour:
Blue
Possibly equal to synthetic phase called "nepheline hydrate". Monohydrated counterpart of nepheline, trinepheline, 'carnegieite', and 'α-carnegieite'.
Fine-acicular and platy aggregates in forms of pseudomorphoses after nepheline and sodalite, within poikilitic sodalite syenites of Lovozero massif, Kola Peninsula, Russia.
Fine-acicular and platy aggregates in forms of pseudomorphoses after nepheline and sodalite, within poikilitic sodalite syenites of Lovozero massif, Kola Peninsula, Russia.
Unique Identifiers
Mindat ID:
47146
Long-form identifier:
mindat:1:1:47146:2
GUID
(UUID V4):
(UUID V4):
d01c388e-4522-4cae-95dd-790aa71dd3f1
Physical Properties of UM1967-10-SiO:AlHNa
Colour:
Blue
Optical Data of UM1967-10-SiO:AlHNa
Type:
Uniaxial (+)
RI values:
n = 1.49
Birefringence:
low
Max Birefringence:
δ = 0.000
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
optical sign not sure; positive elongation
Pleochroism:
Weak
Comments:
colourless (X), bluish (Z)
Chemical Properties of UM1967-10-SiO:AlHNa
Formula:
NaAlSiO4 · H2O
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 6.04 Ã… | (60) |
| 4.42 Ã… | (50) |
| 3.48 Ã… | (70) |
| 2.92 Ã… | (100) |
| 2.88 Ã… | (100) |
Other Information
Thermal Behaviour:
endothermic peaks at 190 and 320oC
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 UM1967-10-SiO:AlHNa
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Semenov, E.I. (1967): Zeolites of the Lovozero alkalic massif; in: Minerals of Pegmatites and Hydrothermalites of alkalic massifs. Izdat. "Nauka": 14-69 (abstr.:
Zap. Vses. Mineral. Obshch (1968): 96: 619); in: Fleischer, M. (1969): New mineral names. American Mineralogist: 54: 1497
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; http://nrmima.nrm.se/Valid2009_03.pdf (2016)
Internet Links for UM1967-10-SiO:AlHNa
mindat.org URL:
https://www.mindat.org/min-47146.html
Please feel free to link to this page.
Please feel free to link to this page.
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Localities for UM1967-10-SiO:AlHNa
ⓘ - Click for references and 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 (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
- 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).
All localities listed without proper references should be considered as questionable.
Russia | |
| Semenov, E.I. (1967): Zeolites of the Lovozero alkalic massif; in: Minerals of Pegmatites and Hydrothermalites of alkalic massifs. Izdat. "Nauka": 14-69 (abstr.: Zap. Vses. Mineral. Obshch (1968): 96: 619); in: Fleischer, M. (1969): New mineral names. American Mineralogist: 54: 1497 |
