Vote for your favorite mineral in #MinCup26! - Azurite vs. Smithsonite
It's carbonate-vs-carbonate to kick off Mineral Cup 2026 with copper-rich Azurite against zinc-rich Smithsonite.
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Sodic plagioclase

A synonym
This page is currently not sponsored. Click here to sponsor this page.
Hide all sections | Show all sections

About Sodic plagioclaseHide

A petrological term for plagioclase feldspars dominant in sodium.

In pure mineralogical terms the name albite would be synonymous.


Unique IdentifiersHide

Mindat ID:
48008
Long-form identifier:
mindat:1:1:48008:0

Pronunciation of Sodic plagioclaseHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Age distributionHide

Recorded ages:
Neoarchean to Neogene : 2640 ± 11 Ma to 9.8 ± 0.3 Ma - based on 15 recorded ages.

Chemical AnalysisHide

Oxide wt%:
 1234567891012
SiO266.31 %68.65 %66.16 %63.98 %64.85 %62.69 %59.15 %66.80 %65.99 %67.99 %63.27 %
Al2O320.61 %19.33 %20.85 %22.14 %21.41 %23.80 %24.62 %20.21 %19.96 %19.52 %23.27 %
MgO0.07 %0.04 %0.09 %0.02 %0.13 %
CaO0.41 %2.66 %3.10 %2.64 %5.03 %7.32 %0.72 %0.40 %3.93 %
MnO0.00 %0.09 %0.08 %0.02 %0.01 %
FeO0.02 %0.10 %0.24 %0.06 %0.21 %0.05 %
Na2O11.61 %11.77 %10.20 %9.64 %10.20 %8.66 %7.95 %9.42 %11.34 %11.51 %9.23 %
K2O0.11 %0.04 %0.15 %0.12 %1.50 %1.45 %0.74 %0.19 %
TiO20.16 %0.03 %
Cr2O30.06 %
P2O50.02 %
H2O1.04 %
Total:99.14 %99.75 %99.87 %99.25 %99.64 %100.33 %99.24 %98.9 %99.78 %100.16 %100.08 %
Empirical formulas:
Sample IDEmpirical Formula
2Na1.00Al1.00Si3.00O8
3(Na0.88Ca0.13) E1.01 Al1.08Si2.91O8
4(Na0.33 Ca0.15) Al1.16Si2.84O8
5Na0.79 Ca0.21Al1.17Si2.87O8
6Na0.74 Ca0.24Al1.24Si2.76O8
7Ab69An31
Sample references:
IDLocalityReferenceNotes
1Beluga sapphire property, Kimmirut, Baffin Island, Qikiqtaaluk Region, Nunavut, Canada
2Kovalo eclogites, Kechros, Arriana, Rhodope, Eastern Macedonia and Thrace, GreeceEMPA analysis of albite from amphibole+plagioclase symplectite in an eclogite
3  "  "EMPA analysis of albite from amphibole+plagioclase symplectite in an eclogite
4Eissee eclogite, Timmelbach valley, Prägraten am Großvenediger, Lienz District, Tyrol, AustriaEMPA analysis of an albite inclusion in garnet from a kyanite-eclogite.
5Steinsteg eclogite, Frosnitz valley, Matrei in Osttirol, Lienz District, Tyrol, AustriaEMPA analysis of retrograde plagioclase from a post-eclogite facies mica-schist
6Obidim eclogite, Bansko Municipality, Blagoevgrad Province, BulgariaEMPA analysis ( State Geological Institute of Dionyz Stur in Bratislava).of an retrograde albite from a symplectite after clino-pyroxene from a kyanite-eclogite.
7Kosavankovilpatti, Madurai District, Tamil Nadu, IndiaPlagioclase from a granulite facies cordierite-garnet gneiss. EMPA analysis
8Kawadgaon-Challanpara pegmatite field, Dantewada District, Chhattisgarh, IndiaAlbite from granite pegmatite. EMPA analysis
9Eudidymite-Epididymite locality, Vesle Arøya, Larvik Commune, Vestfold, NorwayWet-chemical
10Hviteberget, Stokkøya, Larvik Commune, Vestfold, NorwayAverage of 3 wet-chemical analysis
12Beluga sapphire property, Kimmirut, Baffin Island, Qikiqtaaluk Region, Nunavut, Canadavariety oligoclase

Crystal StructureHide

Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
Polyhedra Off | Si Polyhedra | All Polyhedra
Remove metal-metal sticks
Display Options
Black Background | White Background
Perspective On | Perspective Off
2D | Stereo | Red-Blue | Red-Cyan
View
CIF File    Best | x | y | z | a | b | c
Rotation
Stop | Start
Labels
Console Off | On | Grey | Yellow
IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0019652AlbiteHarlow G E (1982) The anorthoclase structures: The effects of temperature and composition American Mineralogist 67 975-9961982Grande Calderira, Azores0293
0019653AlbiteHarlow G E (1982) The anorthoclase structures: The effects of temperature and composition American Mineralogist 67 975-9961982Grande Calderira, Azores0673
0019654AlbiteHarlow G E (1982) The anorthoclase structures: The effects of temperature and composition American Mineralogist 67 975-9961982Mt Gibele, Pantelleria Islands, Italy0293
0019655AlbiteHarlow G E (1982) The anorthoclase structures: The effects of temperature and composition American Mineralogist 67 975-9961982Mt Gibele, Pantelleria Islands, Italy0783
0019656AlbiteHarlow G E (1982) The anorthoclase structures: The effects of temperature and composition American Mineralogist 67 975-9961982Kakanui, New Zealand0293
0019657AlbiteHarlow G E (1982) The anorthoclase structures: The effects of temperature and composition American Mineralogist 67 975-9961982Kakanui, New Zealand01023
0019660AlbiteFitzGerald J D, Parise J B, Mackinnon I D R (1986) Average structure of an An48 plagioclase from the Hogarth Ranges American Mineralogist 71 1399-14081986Hogarth Ranges, northern New South Wales, Australia0293
0019661AlbiteFitzGerald J D, Parise J B, Mackinnon I D R (1986) Average structure of an An48 plagioclase from the Hogarth Ranges American Mineralogist 71 1399-14081986Hogarth Ranges, northern New South Wales, Australia0293
0000536AlbitePrewitt C T, Sueno S, Papike J J (1976) The crystal structures of high albite and monalbite at high temperatures feldspar American Mineralogist 61 1213-12251976synthetic0297
0000537AlbitePrewitt C T, Sueno S, Papike J J (1976) The crystal structures of high albite and monalbite at high temperatures feldspar American Mineralogist 61 1213-12251976synthetic0623
0000538AlbitePrewitt C T, Sueno S, Papike J J (1976) The crystal structures of high albite and monalbite at high temperatures feldspar American Mineralogist 61 1213-12251976synthetic0873
0000539AlbitePrewitt C T, Sueno S, Papike J J (1976) The crystal structures of high albite and monalbite at high temperatures feldspar American Mineralogist 61 1213-12251976synthetic01023
0000540AlbitePrewitt C T, Sueno S, Papike J J (1976) The crystal structures of high albite and monalbite at high temperatures feldspar American Mineralogist 61 1213-12251976synthetic01223
0000541AlbitePrewitt C T, Sueno S, Papike J J (1976) The crystal structures of high albite and monalbite at high temperatures feldspar American Mineralogist 61 1213-12251976synthetic01363
0000542AlbitePrewitt C T, Sueno S, Papike J J (1976) The crystal structures of high albite and monalbite at high temperatures feldspar American Mineralogist 61 1213-12251976synthetic01378
0000595AlbiteWinter J K, Ghose S, Okamura F P (1977) A high-temperature study of the thermal expansion and the anisotropy of the sodium atom in low albite American Mineralogist 62 921-93119770773
0000596AlbiteWinter J K, Ghose S, Okamura F P (1977) A high-temperature study of the thermal expansion and the anisotropy of the sodium atom in low albite American Mineralogist 62 921-931197701023
0000597AlbiteWinter J K, Ghose S, Okamura F P (1977) A high-temperature study of the thermal expansion and the anisotropy of the sodium atom in low albite American Mineralogist 62 921-931197701243
0000694AlbiteKeefer K D, Brown G E (1978) Crystal structures and compositions of sanidine and high albite in cryptoperthitic intergrowth Note this sample of feldspar is from the Rabb Canyon pegmatite, Grant County, New Mexico, USA American Mineralogist 63 1264-127319780293
0000715AlbiteWinter J K, Okamura F P, Ghose S (1979) A high-temperature structural study of high albite, monalbite, and the analbite - monalbite phase transition American Mineralogist 64 409-4231979Tiburon, Marin County, California, USA0298
0000716AlbiteWinter J K, Okamura F P, Ghose S (1979) A high-temperature structural study of high albite, monalbite, and the analbite - monalbite phase transition American Mineralogist 64 409-4231979Tiburon, Marin County, California, USA0773
0000717AlbiteWinter J K, Okamura F P, Ghose S (1979) A high-temperature structural study of high albite, monalbite, and the analbite - monalbite phase transition American Mineralogist 64 409-4231979Tiburon, Marin County, California, USA01023
0000718AlbiteWinter J K, Okamura F P, Ghose S (1979) A high-temperature structural study of high albite, monalbite, and the analbite - monalbite phase transition American Mineralogist 64 409-4231979Tiburon, Marin County, California, USA01253
0000719AlbiteWinter J K, Okamura F P, Ghose S (1979) A high-temperature structural study of high albite, monalbite, and the analbite - monalbite phase transition American Mineralogist 64 409-4231979Tiburon, Marin County, California, USA01313
0000720AlbiteWinter J K, Okamura F P, Ghose S (1979) A high-temperature structural study of high albite, monalbite, and the analbite - monalbite phase transition American Mineralogist 64 409-4231979Tiburon, Marin County, California, USA01253
0000721AlbiteWinter J K, Okamura F P, Ghose S (1979) A high-temperature structural study of high albite, monalbite, and the analbite - monalbite phase transition American Mineralogist 64 409-4231979Tiburon, Marin County, California, USA01333
0000797AlbiteHarlow G E, Brown G E (1980) Low albite: An X-Ray and neutron diffraction study American Mineralogist 65 986-99519800293
0000798AlbiteHarlow G E, Brown G E (1980) Low albite: An X-Ray and neutron diffraction study American Mineralogist 65 986-99519800293
0000799AlbiteHarlow G E, Brown G E (1980) Low albite: An X-Ray and neutron diffraction study American Mineralogist 65 986-99519800293
0000800AlbiteHarlow G E, Brown G E (1980) Low albite: An X-Ray and neutron diffraction study American Mineralogist 65 986-99519800293
0001015AlbiteSmith J V, Artioli G (1986) Low albite, NaAlSi3O8: Neutron diffraction study of crystal structure at 13 K American Mineralogist 71 727-7331986Amelia, Virginia, USA013
0001285AlbiteArmbruster T, Burgi H B, Kunz M, Gnos E, Bronnimann S, Lienert C (1990) Variation of displacement parameters in structure refinements of low albite American Mineralogist 75 135-1401990Roc Tourne, France0293
0001682AlbiteDowns R T, Hazen R M, Finger L W (1994) The high-pressure crystal chemistry of low albite and the origin of the pressure dependency of Al-Si ordering American Mineralogist 79 1042-105219940293
0001683AlbiteDowns R T, Hazen R M, Finger L W (1994) The high-pressure crystal chemistry of low albite and the origin of the pressure dependency of Al-Si ordering American Mineralogist 79 1042-105219940293
0001684AlbiteDowns R T, Hazen R M, Finger L W (1994) The high-pressure crystal chemistry of low albite and the origin of the pressure dependency of Al-Si ordering American Mineralogist 79 1042-105219940.44293
0001685AlbiteDowns R T, Hazen R M, Finger L W (1994) The high-pressure crystal chemistry of low albite and the origin of the pressure dependency of Al-Si ordering American Mineralogist 79 1042-105219941.22293
0001686AlbiteDowns R T, Hazen R M, Finger L W (1994) The high-pressure crystal chemistry of low albite and the origin of the pressure dependency of Al-Si ordering American Mineralogist 79 1042-105219942.68293
0001687AlbiteDowns R T, Hazen R M, Finger L W (1994) The high-pressure crystal chemistry of low albite and the origin of the pressure dependency of Al-Si ordering American Mineralogist 79 1042-105219943.78293
0002264AlbiteMeneghinello E, Alberti A, Cruciani G (1999) Order-disorder process in the tetrahedral sites af albite American Mineralogist 84 1144-11511999Stintino, Sardinia, Italy0293
0002265AlbiteMeneghinello E, Alberti A, Cruciani G (1999) Order-disorder process in the tetrahedral sites af albite American Mineralogist 84 1144-11511999Stintino, Sardinia, Italy0293
0002266AlbiteMeneghinello E, Alberti A, Cruciani G (1999) Order-disorder process in the tetrahedral sites af albite American Mineralogist 84 1144-11511999Stintino, Sardinia, Italy0293
0002267AlbiteMeneghinello E, Alberti A, Cruciani G (1999) Order-disorder process in the tetrahedral sites af albite American Mineralogist 84 1144-11511999Stintino, Sardinia, Italy0293
0002268AlbiteMeneghinello E, Alberti A, Cruciani G (1999) Order-disorder process in the tetrahedral sites af albite American Mineralogist 84 1144-11511999Stintino, Sardinia, Italy0293
0002269AlbiteMeneghinello E, Alberti A, Cruciani G (1999) Order-disorder process in the tetrahedral sites af albite American Mineralogist 84 1144-11511999Stintino, Sardinia, Italy0293
0002270AlbiteMeneghinello E, Alberti A, Cruciani G (1999) Order-disorder process in the tetrahedral sites af albite American Mineralogist 84 1144-11511999Stintino, Sardinia, Italy0293
0002271AlbiteMeneghinello E, Alberti A, Cruciani G (1999) Order-disorder process in the tetrahedral sites af albite American Mineralogist 84 1144-11511999Stintino, Sardinia, Italy0293
0003798AlbiteBenusa M D, Angel R J, Ross N L (2005) Compression of albite, NaAlSi3O8 American Mineralogist 90 1115-112020056.489293
0003799AlbiteBenusa M D, Angel R J, Ross N L (2005) Compression of albite, NaAlSi3O8 American Mineralogist 90 1115-112020058.411293
0003800AlbiteBenusa M D, Angel R J, Ross N L (2005) Compression of albite, NaAlSi3O8 American Mineralogist 90 1115-112020059.431293
0006422AlbiteKroll H, Flogel J, Breit U, Lons J, Pentinghaus H (1991) Order and anti-order in Ge-substituted alkali feldspars European Journal of Mineralogy 3 739-74919910293
0006423AlbiteKroll H, Flogel J, Breit U, Lons J, Pentinghaus H (1991) Order and anti-order in Ge-substituted alkali feldspars European Journal of Mineralogy 3 739-74919910293
0006424AlbiteKroll H, Flogel J, Breit U, Lons J, Pentinghaus H (1991) Order and anti-order in Ge-substituted alkali feldspars European Journal of Mineralogy 3 739-74919910293
0019658AlbitePhillips M W, Colville A A, Ribbe P H (1971) The crystal structures of two oligoclases: a comparison with low and high albite Zeitschrift fur Kristallographie 133 43-651971Camedo, Switzerland0293
0019659AlbitePhillips M W, Colville A A, Ribbe P H (1971) The crystal structures of two oligoclases: a comparison with low and high albite Zeitschrift fur Kristallographie 133 43-651971Camedo, Switzerland0293
0012863AlbiteGualtieri A F (2000) Accuracy of XRPD QPA using the combined Rietveld-RIR method Journal of Applied Crystallography 33 267-2782000Baveno, Novara, Italy0293
CIF Raw Data - click here to close

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Sodic plagioclase in petrologyHide

An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.

Internet Links for Sodic plagioclaseHide

References for Sodic plagioclaseHide

Reference List:

Significant localities for Sodic plagioclaseHide

Showing 36 significant localities out of 16,177 recorded on mindat.org.

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

- 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.
Antarctica
 
  • East Antarctica
    • Victoria Land
      • Ross Archipelago
        • Ross Island
[Albite var: Anorthoclase] Dov Bahat (1979) +2 other references
Canada
 
  • Québec
    • Abitibi-Témiscamingue
      • La Vallée-de-l'Or RCM
        • Réservoir-Dozois
[Albite var: Oligoclase] Age of the Cabonga nepheline syenite +3 other references
Colombia
 
  • Caldas Department
    • Salamina
[Albite var: Andesine] Tassinari et al. (2008)
France
 
  • Provence-Alpes-Côte d'Azur
    • Alpes-de-Haute-Provence
      • Barcelonnette
        • Saint-Paul-sur-Ubaye
[Albite] Piccoli (2002) +1 other reference
Germany
 
  • Lower Saxony
    • Goslar District
      • Braunlage
        • St Andreasberg
[Albite] August Breithaupt (1843)
Italy
 
  • Piedmont
    • Metropolitan City of Turin
      • Fenestrelle
[Albite] Piccoli et al. (2007)
      • Usseaux
[Albite] Giacomino et al. (1986) +1 other reference
  • Sicily
    • Trapani Province
[Albite var: Anorthoclase] [Foerstner] Förstner H. (1877) +18 other references
Spain
 
  • Community of Madrid
[Albite] Garcia G. et al. (2004)
Sweden
 
  • Dalarna County
    • Falun
[Albite] Gahn et al. (1815) +1 other reference
  • Stockholm County
    • Stockholm
[Albite var: Oligoclase] Clark (1993)
Switzerland
 
  • Valais
    • Entremont
      • Val de Bagnes
        • Verbier
[Albite] Erik Vercammen photo & specimen (Bought at the Fiesch-show in 2003)
USA
 
  • California
    • San Diego County
      • Pala Mining District
        • Pala
          • Chief Mountain
            • Elizabeth R. Mine (Hazel W. claim)
[Albite] Mauthner (2008)
  • Colorado
    • Gunnison County
      • Willow Creek Mining District
[Albite var: Cleavelandite] The Williamson Southern Group National ...
  • Connecticut
    • Fairfield County
      • Redding
        • Branchville
[Albite] Cameron et al (1954) +2 other references
      • Trumbull
        • Long Hill
[Albite] Moritz (n.d.)
[Albite] Hobbs (1901) +2 other references
    • Litchfield County
      • Litchfield
[Albite] Brunet (1977)
      • Plymouth
[Albite] Former Ed Force collection.
    • Middlesex County
      • East Hampton
[Albite var: Cleavelandite] Shannon (1920) +1 other reference
      • Haddam
        • Haddam Neck
[Albite] Bowman (1902) +2 other references
[Albite] Yedlin (1967)
[Albite] Foye (1922)
      • Portland
        • Collins Hill
          • Strickland pegmatite
[Albite] USGS Professional Paper 255: 333-338. +3 other references
    • Tolland County
      • Union
[Albite] Bartsch (1940)
  • Massachusetts
    • Bristol County
      • Acushnet
[Albite] Cahoon (2005)
    • Hampshire County
      • Chesterfield
[Albite var: Cleavelandite] "Western Massachusetts Mineral ... +1 other reference
  • New Mexico
    • Otero County
[Albite] D.Court collection
  • Rhode Island
    • Washington County
      • Westerly
        • Bradford
[Albite] Miller (1971)
Quick NavTopAbout Sodic plagioclaseUnique IdentifiersPronunciation Age distributionChemical AnalysisCrystal StructureOther InformationSodic plagioclase in petrologyInternet Links References Significant localities Locality List
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 1, 2026 15:01:22 Page updated: February 16, 2026 20:22:53
Go to top of page