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Stronalsite

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Formula:
SrNa2[Al2Si2O8]2
System:
Orthorhombic
Colour:
White
Hardness:
Member of:
Name:
The name reflects its composition: a strontium, sodium (latin "natrium"), aluminium silicate.
Feldspar Group.

Forms a solid-solution series with banalsite

Classification of Stronalsite

Approved 1983
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
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http://www.mindat.org/min-3804.html
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Type Occurrence of Stronalsite

Year of Discovery:
1983
Geological Setting of Type Material:
Veinlets in xenoliths in serpentine.

Physical Properties of Stronalsite

Vitreous
Colour:
White
Streak:
White
Hardness (Mohs):
Cleavage:
None Observed
Parting:
Rectangular
Density:
2.95 g/cm3 (Measured)    2.95 g/cm3 (Calculated)

Crystallography of Stronalsite

Crystal System:
Orthorhombic
Cell Parameters:
a = 8.41Å, b = 9.9Å, c = 16.72Å
Ratio:
a:b:c = 0.849 : 1 : 1.689
Unit Cell Volume:
V 1,392.09 ų (Calculated from Unit Cell)
Z:
4

Optical Data of Stronalsite

Type:
Biaxial (+)
RI values:
nα = 1.563 nβ = 1.564 nγ = 1.574
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.
Surface Relief:
Low
Dispersion:
strong

Chemical Properties of Stronalsite

Formula:
SrNa2[Al2Si2O8]2
Essential elements:
All elements listed in formula:
Common Impurities:
Ba,Ca,Sr

Relationship of Stronalsite to other Species

Series:
Forms a series with Banalsite (see here)
Member of:
Other Members of Group:
AlbiteNaAlSi3O8
Amazonite
Andesine(Na,Ca)[Al(Si,Al)Si2O8]
AnorthiteCaAl2Si2O8
Anorthoclase(Na,K)AlSi3O8
BanalsiteBaNa2[Al2Si2O8]2
Buddingtonite(NH4)AlSi3O8
Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
CelsianBaAl2Si2O8
DmisteinbergiteCaAl2Si2O8
Hyalophane(K,Ba)[Al(Si,Al)Si2O8]
Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
MicroclineKAlSi3O8
Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
OrthoclaseKAlSi3O8
ParacelsianBaAl2Si2O8
ReedmergneriteNa[BSi3O8]
SanidineKAlSi3O8
Slawsonite(Sr,Ca)Al2Si2O8
SvyatoslaviteCaAl2Si2O8
9.FA.05KaliophiliteKAlSiO4
9.FA.05KalsiliteKAlSiO4
9.FA.05Nepheline(Na,K)AlSiO4
9.FA.05Panunzite(K,Na)AlSiO4
9.FA.05Trikalsilite(K,Na)AlSiO4
9.FA.05Yoshiokaite(Ca,Na)[Al(Al,Si)O4]
9.FA.05MegakalsiliteKAlSiO4
9.FA.10MalinkoiteNaBSiO4
9.FA.15VirgiliteLiAlSi2O6
9.FA.25LisitsyniteKBSi2O6
9.FA.30AdulariaKAlSi3O8
9.FA.30Anorthoclase(Na,K)AlSi3O8
9.FA.30Buddingtonite(NH4)AlSi3O8
9.FA.30CelsianBaAl2Si2O8
9.FA.30Hyalophane(K,Ba)[Al(Si,Al)Si2O8]
9.FA.30MicroclineKAlSi3O8
9.FA.30OrthoclaseKAlSi3O8
9.FA.30SanidineKAlSi3O8
9.FA.30Rubicline(Rb,K)AlSi3O8
9.FA.30MonalbiteNaAlSi3O8
9.FA.35AlbiteNaAlSi3O8
9.FA.35Andesine(Na,Ca)[Al(Si,Al)Si2O8]
9.FA.35AnorthiteCaAl2Si2O8
9.FA.35Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
9.FA.35Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
9.FA.35Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
9.FA.35ReedmergneriteNa[BSi3O8]
9.FA.40ParacelsianBaAl2Si2O8
9.FA.45SvyatoslaviteCaAl2Si2O8
9.FA.45KumdykoliteNaAlSi3O8
9.FA.50Slawsonite(Sr,Ca)Al2Si2O8
9.FA.55LisetiteCaNa2Al4Si4O16
9.FA.60BanalsiteBaNa2[Al2Si2O8]2
9.FA.65DanburiteCaB2Si2O8
9.FA.65MaleeviteBaB2Si2O8
9.FA.65PekoviteSrB2Si2O8
9.FA.70Lingunite(Na,Ca)AlSi3O8
9.FA.75KokchetaviteKAlSi3O8
16.12.2Slawsonite(Sr,Ca)Al2Si2O8
16.12.3Brewsterite
16.12.4CelsianBaAl2Si2O8
16.12.5ParacelsianBaAl2Si2O8
16.12.6CymriteBaAl2Si2(O,OH)8 · H2O
16.12.7EdingtoniteBa[Al2Si3O10] · 4H2O
16.12.8BanalsiteBaNa2[Al2Si2O8]2
16.12.9Harmotome(Ba0.5,Ca0.5,K,Na)5[Al5Si11O32] · 12H2O
16.12.10Hyalophane(K,Ba)[Al(Si,Al)Si2O8]
16.12.11BalipholiteBaLiMg2Al3(Si2O6)2(OH)4
16.12.12ArmeniteBaCa2Al6Si9O30 · 2H2O
16.12.13Wellsite(Ba,Ca,K2)Al2Si6O16 · 6H2O
16.12.14Merlinoite(K,Na)5(Ca,Ba)2Al9Si23O64 · 23H2O
16.12.15Anandite(Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2
16.12.16Fraipontite(Zn,Al)3((Si,Al)2O5)(OH)4
16.12.17SauconiteNa0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O
16.12.18Minehillite(K,Na)2-3Ca28Zn4Al4Si40O112(OH)16
16.12.19HendricksiteK(Zn,Mg,Mn2+)3(AlSi3O10)(OH)2
16.12.20Baileychlore(Zn,Fe,Al,Mg)6((Si,Al)4O10)(OH)8

Other Names for Stronalsite

Name in Other Languages:

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.

References for Stronalsite

Reference List:
Hidemichi Hori, Izumi Nakai, Kozo Nagashima, Satoshi Matsubara and Akira Kato (1986) Stronalsite, SrNa2Al4Si4O16, a new mineral from Rendai, Kochi City, Japan. Mineralogical Journal Vol. 13 (1986) , No. 6 pp368-375

Bulletin of the National Science Museum Tokyo (1985), series C: 11: 37-95.

American Mineralogist (1987): 72: 226.

American Mineralogist (1988): 73: 195.

Internet Links for Stronalsite

Localities for Stronalsite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Burma (Myanmar)
 
  • Kachin State
    • Mohnyin District (Moe Hnyin District)
      • Hpakant Township (Hpakan; Phakant; Phakan)
        • Hpakant-Tawmaw Jade Tract
Ferraris, C., Parodi, G.C., Pont, S., Rondeau, B., Lorand, J.-P. (2014): Trinepheline and fabriesite: two new mineral species from the jadeite deposit of Tawmaw (Myanmar). European Journal of Mineralogy, 26, (in press).
Canada
 
  • Ontario
    • Thunder Bay District
      • Killala Lake Area
The Canadian Mineralogist Vol. 44, pp. 929-942 (2006)
Finland
 
  • Northern Finland Region
    • Ranua
Mutanen, T. 2011. Alkalikiviä ja appiniitteja. Raportti hankkeen " Magmatismi ja malminmuodostus II" toiminnasta 2002-2005.
Japan
 
  • Honshu Island
    • Chubu Region
      • Niigata Prefecture
Miyajima, H. et al., abstract J038-003, in www-jm.eps.s.u-tokyo.ac.jp/ 2002cd-rom/pdf/j038/j038-003_e.pdf
    • Chugoku region
      • Okayama prefecture
        • Niimi City
Mineralogical Journal Vol. 13 (1986) , No. 6 pp368-375
  • Shikoku Island
    • Kochi Prefecture
      • Kochi City
        • Rendai
Bull.Nat.Sci.Mus.Tokyo (1985) ser C, 11, 37-95; Mineralogical Journal Vol. 13 (1986) , No. 6 pp368-375
Russia
 
  • Eastern-Siberian Region
    • Prebaikalia (Pribaikal'e)
      • Irkutskaya Oblast'
P.M. Kartashov data; The Canadian Mineralogist Vol. 44, pp. 929-942 (2006)
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
www.koeln.netsurf.de/~w.steffens/khib.htm
South Africa
 
  • North West Province
    • Bojanala Platinum District
      • Western Bushveld Complex
The Canadian Mineralogist, V 42, 2004, pp. 1169-1178.; MITCHELL, R.H. & LIFEROVICH, R.P. (2004) Ecandrewsite - zincian pyrophanite from lujavrite. Pilansber alkaline complex, South Africa. Canadian Mineralogist), 42, 1169-1178.
Spain
 
  • Canary Islands
    • Las Palmas Province
      • Fuerteventura
Ahijado et al (2005) Mineralogy and Petrology, 84, #1-2, 107-127.
Groznova M.V., Kogarko L.N.. Senin V.G. (2001) Mineral composition of silicocarbonatites from Fuertaventura Island. in Abstracts – GEODE field workshop 8-12th July 2001 on ilmenite deposits in the Rogaland anorthosite province, S. Norway.
Mineral and/or Locality  
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