Stronalsite
A valid IMA mineral species
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About Stronalsite
Formula:
Na2SrAl4Si4O16
Colour:
White
Lustre:
Vitreous
Hardness:
6½
Specific Gravity:
2.95
Crystal System:
Orthorhombic
Member of:
Name:
The name reflects its composition: a strontium, sodium (latin "natrium"), aluminium silicate.
Unique Identifiers
Mindat ID:
3804
Long-form identifier:
mindat:1:1:3804:7
GUID
(UUID V4):
(UUID V4):
24d7a812-c1da-4f5a-9bdc-0ea4be9b7747
IMA Classification of Stronalsite
Approved
Approval year:
1983
First published:
1987
Classification of Stronalsite
9.FA.60
9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
A : Tektosilicates without additional non-tetrahedral anions
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
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
16 : Silicates Containing Aluminum and other Metals
12 : Aluminosilicates of Sr, Ba and Zn
Mineral Symbols
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.
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 Stronalsite
Vitreous
Transparency:
Translucent
Colour:
White
Streak:
White
Hardness:
6½ on Mohs scale
Cleavage:
None Observed
Parting:
Rectangular
Density:
2.95 g/cm3 (Measured) 2.95 g/cm3 (Calculated)
Optical Data of Stronalsite
Type:
Biaxial (+)
RI values:
nα = 1.563(2) nβ = 1.564 nγ = 1.574(2)
2V:
Measured: 32° , Calculated: 36°
Max Birefringence:
δ = 0.011
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:
Low
Dispersion:
strong
Chemistry of Stronalsite
Mindat Formula:
Na2SrAl4Si4O16
Common Impurities:
Ba,Ca,Sr
Crystallography of Stronalsite
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)
Z:
4
Comment:
Point Group: 2/m 2/m 2/m or mm2; Space Group: Ibam or Iba2
Crystal Structure
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Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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2x2x2 | 3x3x3 | 4x4x4
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
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 Diffraction
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 Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Near-surface Processes | |
23 : Subaerial aqueous alteration by non-redox-sensitive fluids (see also #47) | |
High-𝑇 alteration and/or metamorphism | |
32 : Ba/Mn/Pb/Zn deposits, including metamorphic deposits | |
Stage 4b: Highly evolved igneous rocks | >3.0 |
35 : Ultra-alkali and agpaitic igneous rocks | |
36 : Carbonatites, kimberlites, and related igneous rocks |
Type Occurrence of Stronalsite
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.
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 Stronalsite
Other Language Names for Stronalsite
Relationship of Stronalsite to other Species
Member of:
Other Members of this group:
Alkali Feldspar | A subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium. | |
Banalsite | Na2BaAl4Si4O16 | Orth. mm2 : Iba2 |
Buddingtonite | (NH4)(AlSi3O8) | Mon. 2 : P21 |
Celsian | Ba(Al2Si2O8) | Mon. 2/m |
Cleavelandite | Na(AlSi3O8) | Tric. |
Filatovite | K(Al,Zn)2(As,Si)2O8 | Mon. 2/m |
Hexacelsian | BaAl2Si2O8 | Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm |
Kokchetavite | K(AlSi3O8) | Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc |
Kumdykolite | Na(AlSi3O8) | Orth. mmm (2/m 2/m 2/m) : Pnnm |
Paracelsian | Ba(Al2Si2O8) | Mon. 2/m : P21/b |
Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 | |
Reedmergnerite | NaBSi3O8 | Tric. 1 : P1 |
Slawsonite | Sr(Al2Si2O8) | Mon. 2/m : P21/b |
Svyatoslavite | Ca(Al2Si2O8) | Mon. 2 : P21 |
Unnamed (New Ordered Member of the Alkali Feldspar Series) | KNa(Si6Al2)O16 | Mon. m |
Forms a series with:
Common Associates
Associated Minerals Based on Photo Data:
4 photos of Stronalsite associated with Jadeite | Na(Al,Fe3+)Si2O6 |
2 photos of Stronalsite associated with Fabrièsite | Na3Al3Si3O12 · 2H2O |
2 photos of Stronalsite associated with Trinepheline | NaAlSiO4 |
2 photos of Stronalsite associated with Chromojadeite | Na(Al,Cr)Si2O6 |
2 photos of Stronalsite associated with Nepheline | Na3K(Al4Si4O16) |
2 photos of Stronalsite associated with Banalsite | Na2BaAl4Si4O16 |
2 photos of Stronalsite associated with Albite | Na(AlSi3O8) |
2 photos of Stronalsite associated with Natrolite | Na2Al2Si3O10 · 2H2O |
Related Minerals - Strunz-mindat Grouping
9.FA. | Hexacelsian | BaAl2Si2O8 |
9.FA. | Wodegongjieite | KCa3(Al7Si9)O32 |
9.FA.05 | Kaliophilite | KAlSiO4 |
9.FA.05 | Kalsilite | KAlSiO4 |
9.FA.05 | Nepheline | Na3K(Al4Si4O16) |
9.FA.05 | Panunzite | (K,Na)AlSiO4 |
9.FA.05 | Trikalsilite | K2NaAl3(SiO4)3 |
9.FA.05 | Yoshiokaite | (Ca,Na)[Al(Al,Si)O4] |
9.FA.05 | Carnegieite | NaAlSiO4 |
9.FA.05 va | Germanate-nepheline | (Na,K)AlGeO4 |
9.FA.05 | Megakalsilite | KAlSiO4 |
9.FA.05 | Trinepheline | NaAlSiO4 |
9.FA.05 | Davidsmithite | (Ca,◻)2Na6Al8Si8O32 |
9.FA.10 | Malinkoite | NaBSiO4 |
9.FA.15 | Virgilite | LiAlSi2O6 |
9.FA.25 | Lisitsynite | KBSi2O6 |
9.FA.30 | Buddingtonite | (NH4)(AlSi3O8) |
9.FA.30 | Celsian | Ba(Al2Si2O8) |
9.FA.30 | Microcline | K(AlSi3O8) |
9.FA.30 | Orthoclase | K(AlSi3O8) |
9.FA.30 | Sanidine | K(AlSi3O8) |
9.FA.30 | Rubicline | Rb(AlSi3O8) |
9.FA.30 va | Germanate-celsian | BaAl2Ge2O8 |
9.FA.30 | Monalbite | NaAlSi3O8 |
9.FA.30 | Ferrisanidine | K[Fe3+Si3O8] |
9.FA.35 | Albite | Na(AlSi3O8) |
9.FA.35 | Anorthite | Ca(Al2Si2O8) |
9.FA.35 | Reedmergnerite | NaBSi3O8 |
9.FA.40 | Paracelsian | Ba(Al2Si2O8) |
9.FA.45 | Svyatoslavite | Ca(Al2Si2O8) |
9.FA.45 | Kumdykolite | Na(AlSi3O8) |
9.FA.50 | Slawsonite | Sr(Al2Si2O8) |
9.FA.55 | Lisetite | CaNa2Al4Si4O16 |
9.FA.60 | Banalsite | Na2BaAl4Si4O16 |
9.FA.65 | Danburite | CaB2Si2O8 |
9.FA.65 | Maleevite | BaB2Si2O8 |
9.FA.65 | Pekovite | SrB2Si2O8 |
9.FA.70 | Stöfflerite | CaAl2Si2O8 |
9.FA.70 | Lingunite | (Na,Ca)AlSi3O8 |
9.FA.70 | Liebermannite | KAlSi3O8 |
9.FA.75 | Kokchetavite | K(AlSi3O8) |
Fluorescence of Stronalsite
None
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.
Internet Links for Stronalsite
mindat.org URL:
https://www.mindat.org/min-3804.html
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References for Stronalsite
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., 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 (2) 533-546 doi:10.2113/gscanmin.44.2.533
Localities for Stronalsite
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
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Mt Ohsa, Niimi City, Okayama Prefecture, Japan