Stronalsite (original) (raw)
A valid IMA mineral species
About StronalsiteHide
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Crystal System:
Orthorhombic
Name:
The name reflects its composition: a strontium, sodium (latin "natrium"), aluminium silicate.
Feldspar Group.
Forms a solid-solution series with banalsite
Unique IdentifiersHide
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Long-form identifier:
mindat:1:1:3804:7
24d7a812-c1da-4f5a-9bdc-0ea4be9b7747
IMA Classification of StronalsiteHide
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Type description reference:
Hori, Hidemichi, Nakai, Izumi, Nagashima, Kozo, Matsubara, Satoshi, Kato, Akira (1987) Stronalsite, SrNa2Al4Si4O16, a new mineral from Rendai, Kochi city, Japan. Mineralogical Journal, 13 (6) 368-375 doi:10.2465/minerj.13.368
Classification of StronalsiteHide
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9.FA.60
9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
A : Tektosilicates without additional non-tetrahedral anions
76.1.6.2
76 : TECTOSILICATES Al-Si Framework
1 : Al-Si Framework with Al-Si frameworks
16.12.1
16 : Silicates Containing Aluminum and other Metals
12 : Aluminosilicates of Sr, Ba and Zn
Mineral SymbolsHide
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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
| Symbol | Source | Reference |
|---|---|---|
| Sns | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
| Sns | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of StronalsiteHide
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Density:
2.95 g/cm3 (Measured) 2.95 g/cm3 (Calculated)
Optical Data of StronalsiteHide
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RI values:
_n_α = 1.563(2) _n_β = 1.564 _n_γ = 1.574(2)
2V:
Measured: 32° , Calculated: 36°
δ = 0.011
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Chemistry of StronalsiteHide
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Mindat Formula:
Na2SrAl4Si4O16
Common Impurities:
Ba,Ca,Sr
Crystallography of StronalsiteHide
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Crystal System:
Orthorhombic
Cell Parameters:
a = 8.415(4) Å, b = 9.901(4) Å, c = 16.729(9) Å
Ratio:
a:b:c = 0.85 : 1 : 1.69
Unit Cell V:
1,393.81 ų (Calculated from Unit Cell)
Comment:
Point Group: 2/m 2/m 2/m or mm2; Space Group: Ibam or Iba2
Crystal StructureHide
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| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0006093 | Stronalsite | Liferovich R P, Locock A J, Mitchell R H, Shpachenko A K (2006) The crystal structure of stronalsite and a redetermination of the structure of banalsite The Canadian Mineralogist 44 533-546 |  |
2006 | Khibina peralkaline complex, Kola alkaline province, Russia | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder DiffractionHide
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Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 3.204 Å | (100) |
| 3.502 Å | (80) |
| 2.881 Å | (70) |
| 3.183 Å | (50) |
| 2.067 Å | (50) |
| 3.765 Å | (40) |
| 3.069 Å | (40) |
Geological EnvironmentHide
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Type Occurrence of StronalsiteHide
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General Appearance of Type Material:
Aggregates of anhedral crystals reaching 1 mm across.
Place of Conservation of Type Material:
National Science Museum, Tokyo, Japan.
National Museum of Natural History (Smithsonian), Washington, D.C., USA, 160484.
Geological Setting of Type Material:
Veinlets in xenoliths in serpentine.
Associated Minerals at Type Locality:
Reference:
Hori, H., Nakai, I., Nagashima, K., Matsurbara, S., Kato, A. (1987) Stronalsite, SrNa2Al4Si4O16, a new mineral from Rendai, Kochi City Japan. Mineralogical Journal: 13: 368-375.
Synonyms of StronalsiteHide
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Other Language Names for StronalsiteHide
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Relationship of Stronalsite to other SpeciesHide
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Other Members of this group:
Common AssociatesHide
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Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat GroupingHide
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Fluorescence of StronalsiteHide
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Other InformationHide
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Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for StronalsiteHide
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References for StronalsiteHide
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Reference List:
Hori, Hidemichi, Nakai, Izumi, Nagashima, Kozo, Matsubara, Satoshi, Kato, Akira (1987) Stronalsite, SrNa2Al4Si4O16, a new mineral from Rendai, Kochi city, Japan. Mineralogical Journal, 13 (6) 368-375 doi:10.2465/minerj.13.368
Hori, Hidemichi, Nakai, Izumi, Nagashima, Kozo, Matsubara, Satoshi, Kato, Akira (1987) Stronalsite, SrNa2Al4Si4O16, a new mineral from Rendai, Kochi city, Japan. Mineralogical Journal, 13 (6) 368-375 doi:10.2465/minerj.13.368
Hawthorne, Frank C., Burke, Ernst A. J., Ercit, T. Scott, Grew, Edward S., Grice, Joel D., Jambor, John L., Puziewicz, Jacek, Roberts, Andrew C., Vanko, David A. (1988) New Mineral Names. American Mineralogist, 73 (1-2) 189-199
Liferovich, R. P., Mitchell, R. H., Zozulya, D. R., Shpachenko, A. K. (2006) Paragenesis and composition of banalsite, stronalsite, and their solid solution in nepheline syenite and ultramafic alkaline rocks. The Canadian Mineralogist, 44 (4) 929-942 doi:10.2113/gscanmin.44.4.929
Localities for StronalsiteHide
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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
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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - 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.