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Lisetite

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Formula:
Na2CaAl4(SiO4)4
System:
Orthorhombic
Colour:
Colorless
Name:
Named after the locality.
Tectosilicate with a crystal structure related to that of feldspars (e.g. banalsite). Forms at high pressures.


Classification of Lisetite

Approved
Approval Year:
1985
First Published:
1986
9.FA.55

9 : SILICATES (Germanates)
F : Tektosilicates without zeolitic H2O
A : Tektosilicates without additional non-tetrahedral anions
76.1.6.3

76 : TECTOSILICATES Al-Si Framework
1 : Al-Si Framework with Al-Si frameworks
16.10.2

16 : Silicates Containing Aluminum and other Metals
10 : Aluminosilicates of Ca and alkalis

Type Occurrence of Lisetite

General Appearance of Type Material:
Observed in thin sections as lathlike structures often grouped in clusters
Place of Conservation of Type Material:
In the Museum of the Dipartimento di Scienze della Terra, Universitá di Pavia, Italy.
Geological Setting of Type Material:
A strongly retrograded clinopyroxene-rich layers in the Liset eclogite pod.
Associated Minerals at Type Locality:

Physical Properties of Lisetite

Diaphaneity (Transparency):
Transparent
Colour:
Colorless

Crystallography of Lisetite

Crystal System:
Orthorhombic
Cell Parameters:
a = 8.26Å, b = 17.08Å, c = 9.65Å
Ratio:
a:b:c = 0.484 : 1 : 0.565
Unit Cell Volume:
V 1,361.43 ų (Calculated from Unit Cell)

Optical Data of Lisetite

Type:
Biaxial
RI values:
nα = 1.560 nγ = 1.570
Max Birefringence:
δ = 0.010
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
none

Chemical Properties of Lisetite

Formula:
Na2CaAl4(SiO4)4
Elements listed in formula:
Common Impurities:
Ti,Fe,Mn,Ni,Mg,K

Relationship of Lisetite to other Species

9.FA.05KaliophiliteKAlSiO4
9.FA.05KalsiliteKAlSiO4
9.FA.05NephelineNaAlSiO4
9.FA.05PanunziteK3Na(AlSiO4)4
9.FA.05TrikalsiliteK2NaAl3(SiO4)3
9.FA.05YoshiokaiteCa1-x(Al,Si)2O4
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)4O8
9.FA.30MicroclineKAlSi3O8
9.FA.30OrthoclaseKAlSi3O8
9.FA.30SanidineKAlSi3O8
9.FA.30RubiclineRbAlSi3O8
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.35ReedmergneriteNaBSi3O8
9.FA.40ParacelsianBaAl2Si2O8
9.FA.45SvyatoslaviteCaAl2Si2O8
9.FA.45KumdykoliteNaAlSi3O8
9.FA.50SlawsoniteSrAl2Si2O8
9.FA.60BanalsiteNa2BaAl4Si4O16
9.FA.60StronalsiteNa2SrAl4Si4O16
9.FA.65DanburiteCaB2Si2O8
9.FA.65MaleeviteBaB2Si2O8
9.FA.65PekoviteSrB2Si2O8
9.FA.70LinguniteNaAlSi3O8
9.FA.75KokchetaviteKAlSi3O8
16.10.1Bytownite(Ca,Na)[Al(Al,Si)Si2O8]
16.10.4Thomsonite-CaNaCa2(Al5Si5)O20 · 6H2O
16.10.5Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
16.10.6MesoliteNa2Ca2(Si9Al6)O30 · 8H2O
16.10.7Faujasite
16.10.8Garronite-CaNaCa2.5(Si10Al6)O32 · 14H2O
16.10.9BoggsiteNa3Ca8(Si77Al19)O192 · 70H2O
16.10.10Herschelite(Na2,K2,Ca,Sr,Mg)2[Al2Si4O12]2 · 12H2O
16.10.11Phillipsite
16.10.12Fedorite(K,Na)2.5(Ca,Na)7Si16O38(OH,F)2 · 3.5H2O
16.10.13WillhendersoniteKCa(Si3Al3)O12 · 5H2O
16.10.14BarreriteNa2(Al2Si7)O18 · 6H2O
16.10.15Mordenite(Na2,Ca,K2)4(Al8Si40)O96 · 28H2O
16.10.16ReyeriteNa2Ca14Al2Si22O58(OH)8 · 6H2O
16.10.17Lévyne
16.10.18Clinoptilolite
16.10.19Heulandite
16.10.20GobbinsiteNa5(Si11Al5)O32 · 11H2O
16.10.21Stilbite
16.10.22Dachiardite
16.10.23OffretiteKCaMg(Si13Al5)O36 · 15H2O
16.10.24PerlialiteK9NaCa(Si24Al12)O72 · 15H2O
16.10.25Erionite
16.10.26Paulingite
16.10.27Sodium Dachiardite(Na2,Ca,K2)4-5Al8Si40O96 · 26H2O
16.10.28Mazzite-MgMg5(Si26Al10)O72 · 30H2O
16.10.29RoggianiteCa2BeAl2Si4O13(OH)2 · nH2O (n < 2.5)

Other Names for Lisetite

Name in Other Languages:
German:Lisetit
Spanish:Lisetita

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 Lisetite

Reference List:
Smith, D.C., Kechid, S-A. and Rossi, G. (1986): Occurence and properties of lisetite, CaNa2Al4Si4O16, a new tectosilicate in the system Ca-Na-Al-Si-O. American Mineralogist 71, 1372-1377.

Rossi, G., Oberti, R., Smith, D.C. (1986): Crystal structure of lisetite, CaNa2Al4Si4O16. American Mineralogist 71, 1378-1383.

Internet Links for Lisetite

mindat.org URL:
http://www.mindat.org/min-2414.html
Please feel free to link to this page.

Localities for Lisetite

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.
Norway (TL)
 
  • Sogn og Fjordane
    • Selje
      • Liset
Smith, D.C., Kechid, S-A. and Rossi, G. (1986): Occurrence and properties of lisetite, CaNa2Al4Si4O16, a new tectosilicate in the system Ca-Na-Al-Si-O. American Mineralogist. 71: 1372-1377
Mineral and/or Locality  
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