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Pirssonite

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About PirssoniteHide

Louis Valentine Pirsson
Formula:
Na2Ca(CO3)2 · 2H2O
Colour:
Colourless, white, pale gray; colourless in transmitted light.
Lustre:
Vitreous
Hardness:
3 - 3½
Specific Gravity:
2.352
Crystal System:
Orthorhombic
Name:
After Louis Valentine Pirsson (1860-1919), petrographer and mineralogist, Professor of Physical Geology at Yale University.
This page provides mineralogical data about Pirssonite.


Classification of PirssoniteHide

Approved, 'Grandfathered' (first described prior to 1959)
5.CB.30

5 : CARBONATES (NITRATES)
C : Carbonates without additional anions, with H2O
B : With large cations (alkali and alkali-earth carbonates)
15.2.1.1

15 : HYDRATED NORMAL CARBONATES
2 : AmBn(XO3)p·xH2O, with (m+n):p > 1:1
11.1.13

11 : Carbonates
1 : Carbonates of the alkali metals and ammonium

Physical Properties of PirssoniteHide

Vitreous
Transparency:
Transparent
Colour:
Colourless, white, pale gray; colourless in transmitted light.
Hardness:
3 - 3½ on Mohs scale
Tenacity:
Brittle
Fracture:
Conchoidal
Density:
2.352 g/cm3 (Measured)    2.37 g/cm3 (Calculated)

Optical Data of PirssoniteHide

Type:
Biaxial (+)
RI values:
nα = 1.504 nβ = 1.510 nγ = 1.575
2V:
Measured: 31° , Calculated: 34°
Max Birefringence:
δ = 0.071
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
relatively weak

Chemical Properties of PirssoniteHide

Formula:
Na2Ca(CO3)2 · 2H2O

Crystallography of PirssoniteHide

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Space Group:
Fdd2
Cell Parameters:
a = 11.32 Å, b = 20.06 Å, c = 6 Å
Ratio:
a:b:c = 0.564 : 1 : 0.299
Unit Cell V:
1,362.48 ų (Calculated from Unit Cell)
Morphology:
Crystals short prismatic [001] with variable upper termination; also tabular {010}, or pyramidal with e and p¯.

Crystallographic forms of PirssoniteHide

Crystal Atlas:
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Pirssonite no.2 - Goldschmidt (1913-1926)
Pirssonite no.6 - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by www.smorf.nl.

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Edge Lines | Miller Indices | Axes

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Type Occurrence of PirssoniteHide

Geological Setting of Type Material:
Lacustrine clay beds.
Associated Minerals at Type Locality:

Synonyms of PirssoniteHide

Other Language Names for PirssoniteHide

Related Minerals - Nickel-Strunz GroupingHide

5.CB.05ThermonatriteNa2CO3 · H2OOrth. mmm (2/m 2/m 2/m) : Pmmm
5.CB.10NatronNa2CO3 · 10H2OMon. 2/m : P2/m
5.CB.15TronaNa3H(CO3)2 · 2H2OMon. 2/m
5.CB.20MonohydrocalciteCaCO3 · H2OTrig. 3 : P31
5.CB.25IkaiteCaCO3 · 6H2OMon.
5.CB.35GaylussiteNa2Ca(CO3)2 · 5H2OMon. 2/m : B2/b
5.CB.40ChalconatroniteNa2Cu(CO3)2 · 3H2OMon. 2/m
5.CB.45BaylissiteK2Mg(CO3)2 · 4H2OMon.
5.CB.50TuliokiteNa6BaTh(CO3)6 · 6H2OTrig.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

11.1.1ZabuyeliteLi2CO3Mon. 2/m : B2/b
11.1.2NatriteNa2CO3Mon.
11.1.3NahcoliteNaHCO3Mon. 2/m
11.1.4WegscheideriteNa5H3(CO3)4Tric. 1 : P1
11.1.5ThermonatriteNa2CO3 · H2OOrth. mmm (2/m 2/m 2/m) : Pmmm
11.1.6TronaNa3H(CO3)2 · 2H2OMon. 2/m
11.1.7NatronNa2CO3 · 10H2OMon. 2/m : P2/m
11.1.8KaliciniteKHCO3Mon. 2/m
11.1.9ShortiteNa2Ca2(CO3)3Orth. mm2 : Amm2
11.1.10NyerereiteNa2Ca(CO3)2Orth. mmm (2/m 2/m 2/m) : Cmcm
11.1.11NatrofairchilditeNa2Ca(CO3)2Orth.
11.1.12ZemkoriteNa2Ca(CO3)2Hex.
11.1.14GaylussiteNa2Ca(CO3)2 · 5H2OMon. 2/m : B2/b
11.1.15BaylissiteK2Mg(CO3)2 · 4H2OMon.
11.1.16FairchilditeK2Ca(CO3)2Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
11.1.17BütschliiteK2Ca(CO3)2Trig. 3m (3 2/m) : R3m
11.1.18Teschemacherite(NH4)HCO3Orth. mmm (2/m 2/m 2/m) : Pccn

Other InformationHide

Thermal Behaviour:
Pyroelectric with the end of the [001] axis terminated by {131} becoming negatively electrified on cooling.
Notes:
Soluble in cold dilute acids with effervescence.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Industrial Uses:
None.

References for PirssoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Pratt, Joseph Hyde (1896), On northupite; pirssonite, a new mineral; Gaylussite and hanksite from Borax Lake, San Bernardino County, California: Am. Jour. Sci., 4th. series: 2: 123-135; …Zeitschr. Kristallographie, Band 27: 416-429 (1896); …(abstract): Neues Jahrb., Band 2: 451-455 (1897).
Foshag (1933) American Mineralogist: 18: 431.
Evans (1948) American Mineralogist: 33: 261.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 232-233.
Corazza, E. & C. Sobelli (1967), The crystal structure of pirssonite, CaNa2(CO3)2 • 2H2O: Acta Crystallographica: 23: 763-766.
Mineralogicheskii Zhurnal (1981): 3: 99-102.

Internet Links for PirssoniteHide

Localities for PirssoniteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Canada
 
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
HORVÁTH, L. and HORVÁTH-PFENNINGER, E. (2000) Die Mineralien des Mont Saint-Hilaire. Lapis, 25, Nr. 7/8, 23-61 (in German).; HORVÁTH, L., PFENNINGER‑HORVÁTH, E. (2000) I minerali di Mont-Saint-Hilaire (Québec, Canada) Rivista Mineralogica Italiana, XXIV, 140-202 (in Italian with English summary).
  • Saskatchewan
Last, W. M. (1990). Paleochemistry and paleohydrology of Ceylon Lake, a salt-dominated playa basin in the northern Great Plains, Canada. Journal of Paleolimnology, 4(3), 219-238.
China
 
Jiping Wang, Jianming Zhou, Xiulian Ma, and Qingtang Yang (1999): Acta Mineralogica Sinica 19(3), 315-319
Czech Republic
 
  • Karlovy Vary Region
    • Krušné Hory Mts (Erzgebirge)
      • Jáchymov District (St Joachimsthal)
        • Jáchymov (St Joachimsthal)
          • Rovnost Mine (Werner Mine)
Plášil J., Hloušek J., Škoda R. (2013): Chalkonatronit, Na2Cu(CO3)2(H2O)3, ze žíly sv. Ducha, Jáchymov (Česká republika) [Chalconatronite, Na2Cu(CO3)2(H2O)3, from the „sv. Duch“ vein, Jáchymov (Czech Republic)]. Bull. mineral.-petrolog. Odd. Nár. Muz. (Praha) 21, 228-233.
Egypt
 
  • Western Desert
Marchesini, M. & Barresi, A. (2009): I minerali di Wadi natrun, Deserto Occidentale, Egitto, Rivista Mineralogica Italiana, 4/2009, 228-258.
Namibia
 
  • Oshana Region
Foshag, Wm. F. (1933) Sulfohalite and Other Minerals from the Otjiwalundo Salt Pan, South West Africa. American Mineralogist: 18: 431-434; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 233, 549.
Peru
 
  • La Libertad Department
    • Pacasmayo Province
      • Jequetepeque
Mees, F., & Stoops, G. (1991). Mineralogical study of salt efflorescences on soils of the Jequetepeque Valley, northern Peru. Geoderma, 49(3-4), 255-272.
Russia
 
  • Northern Region
    • Murmanskaya Oblast'
      • Khibiny Massif
PEKOV, I.V. & NIKOLAEV, A.P. (2013) Minerals of the pegmatites and hydrothermal assemblages of the Koashva deposit (Khibiny, Kola Peninsula, Russia). Mineralogical Almanac 189(2), 7-65.
        • Kukisvumchorr Mt
[World of Stones 95:5-6, p64]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
      • Lovozero Massif
A.P. Khomyakov et al.: ZVMO 119(5):46-49 (1990)
Tanzania
 
  • Arusha Region
Zaitsev, A. N., & Keller, J. (2006). Mineralogical and chemical transformation of Oldoinyo Lengai natrocarbonatites, Tanzania. Lithos, 91(1), 191-207.
Tunisia
 
  • Tataouine Governorate
Smykatz-Kloss, W., & Roy, P. D. (2010). Mineralogía de evaporitas y geoquímica de elementos mayores como herramientas para la investigación paleoclimática en regiones áridas: una síntesis. Boletín de la Sociedad Geológica Mexicana, 62(3), 379-390.
Turkey
 
  • Central Anatolia Region
    • Ankara Province
Helvaci, C., Mordogan, H., Çolak, M., & Gündogan, I. (2004). Presence and distribution of lithium in borate deposits and some recent lake waters of west-central Turkey. International Geology Review, 46(2), 177-190.
Ukraine
 
  • Crimea
    • Crimea peninsula
      • Kerch peninsula (Kertch peninsula)
        • Bondarenkovo Village area
Deyak M.A. Modern water-chemogenic formations of mud volcanoes of Kerch Peninsula. Dissertation to Scientific Candidate Degree in Geological Sciences in speciality 04.00.21 – lithology. –Department of marine geology and sedimentary ore formation of the National Academy of Sciences of Ukraine. – Kyiv, 2010.
USA
 
  • California
    • Inyo Co.
      • Deep Springs Valley
Jones, Blair Francis (1961), Zoning of saline minerals at Deep Spring Lake, California: USGS PP 424-B, Article 83: B200; Hardie, L.A. and Eugster, H.P. (1970) The evolution of closed-basin brines. Mineralogical Society of America Special Paper 3: 232; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 207.
    • Lake Co.
      • Sulphur Creek District (Sulfur Creek District; Wilbur Springs District)
        • Clear Lake Oaks
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 233, 235; Vonsen, Magnus (1935), The discovery of borates in California: Mineralogist: 3(12): 22; Vonsen, Magnus & G.D. Hanna (1936), Borax Lake, California: California Division Mines Report 32: 104; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 280, 289, 359, 374; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 207, 208.
    • San Bernardino Co.
Pratt, Joseph Hyde (1896), On northupite; pirssonite, a new mineral; Gaylussite and hanksite from Borax Lake, San Bernardino County, California: American Journal of Science, 4th. series: 2: 126; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 208; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 279.; Gale, Hoyt Stoddard (1915), Mineralogy of the Searles Lake deposits in Salines in the Owens, Searles, and Panamint basins, southeastern California: USGS Bulletin 580: 296-308
Pratt, Joseph Hyde (1896), On northupite; pirssonite, a new mineral; Gaylussite and hanksite from Borax Lake, San Bernardino County, California: American Journal of Science, 4th. series: 2: 126; Smith, George Irving & D.V. Haines (1964), Character and distribution of nonclastic minerals in the Searles Lake evaporite deposit, California: USGS Bulletin1181-P: P31-P32; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 289.
  • Colorado
    • Jefferson Co.
Minerals of Colorado (1997) E.B. Eckels
  • Tennessee
    • Polk Co.
www.gamineral.org
  • Wyoming
    • Sweetwater Co.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 139, 233, 279.
Am Min 26:646-650
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