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Shortite

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Formula:
Na2Ca2(CO3)3
System:
Orthorhombic
Colour:
Colourless, light ...
Hardness:
3
Name:
Named after Dr. Maxwell Naylor Short (1889-1952), Professor of Mineralogy, University of Arizona, Tucson (USA).

Classification of Shortite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
5.AC.25

5 : CARBONATES (NITRATES)
A : Carbonates without additional anions, without H2O
C : Alkali and alkali-earth carbonates
14.4.1.1

14 : ANHYDROUS NORMAL CARBONATES
4 : Miscellaneous
11.1.9

11 : Carbonates
1 : Carbonates of the alkali metals and ammonium
mindat.org URL:
http://www.mindat.org/min-3640.html
Please feel free to link to this page.

Type Occurrence of Shortite

Year of Discovery:
1939
Associated Minerals at Type Locality:

Physical Properties of Shortite

Vitreous
Diaphaneity (Transparency):
Transparent
Colour:
Colourless, light yellow, light green
Hardness (Mohs):
3
Cleavage:
Distinct/Good
On {010}.
Fracture:
Conchoidal
Density:
2.6 g/cm3 (Measured)    2.605 g/cm3 (Calculated)

Crystallography of Shortite

Crystal System:
Orthorhombic
Class (H-M):
mm2 - Pyramidal
Space Group:
Amm2
Cell Parameters:
a = 4.96Å, b = 11.03Å, c = 7.12Å
Ratio:
a:b:c = 0.45 : 1 : 0.646
Unit Cell Volume:
V 389.53 ų (Calculated from Unit Cell)
Morphology:
Crystals wedge-shaped, tabular {100} or equant to short prismatic [100]. {011} striated [100] and in oscillatory combination with {001}.
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Shortite

Type:
Biaxial (-)
RI values:
nα = 1.531 nβ = 1.555 nγ = 1.570
Max Birefringence:
δ = 0.039
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
r < v moderate

Chemical Properties of Shortite

Formula:
Na2Ca2(CO3)3
Essential elements:
All elements listed in formula:

Relationship of Shortite to other Species

5.AC.05EiteliteNa2Mg(CO3)2
5.AC.10NyerereiteNa2Ca(CO3)2
5.AC.10ZemkoriteNa2Ca(CO3)2
5.AC.15BütschliiteK2Ca(CO3)2
5.AC.20FairchilditeK2Ca(CO3)2
5.AC.30Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5
5.AC.30CalcioburbankiteNa3(Ca,REE,Sr)3(CO3)5
5.AC.30Khanneshite(Na,Ca)3(Ba,Sr,Ce,Ca)3(CO3)5
5.AC.30SanromániteNa2CaPb3[CO3]5
11.1.1ZabuyeliteLi2CO3
11.1.2NatriteNa2CO3
11.1.3NahcoliteNaHCO3
11.1.4WegscheideriteNa5H3(CO3)4
11.1.5ThermonatriteNa2CO3 · H2O
11.1.6TronaNa3H(CO3)2 · 2H2O
11.1.7NatronNa2CO3 · 10H2O
11.1.8KaliciniteKHCO3
11.1.10NyerereiteNa2Ca(CO3)2
11.1.11Natrofairchildite
11.1.12ZemkoriteNa2Ca(CO3)2
11.1.13PirssoniteNa2Ca(CO3)2 · 2H2O
11.1.14GaylussiteNa2Ca(CO3)2 · 5H2O
11.1.15BaylissiteK2Mg(CO3)2 · 4H2O
11.1.16FairchilditeK2Ca(CO3)2
11.1.17BütschliiteK2Ca(CO3)2
11.1.18Teschemacherite(NH4)HCO3

Other Names for Shortite

Name in Other Languages:
German:Shortit
Russian:Шортит
Spanish:Shortita

Other Information

Fluoresces pale amber (UV).
Thermal Behaviour:
Strongly pyroelectric. Inverts at about 200° C. Melts incongruently at about 600° C.
Other Information:
Decomposed by water with separation of CaCO3.
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 Shortite

Reference List:
Fahey J.J. (1939), American Mineralogist: 24: 514-518.

Richmond (1941) American Mineralogist: 26: 288, 629.

Wickman (1949) Arkiv. Min. Geol.: 1: 95.

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: 222-223.

Arkiv för Mineralogi och Geologi:: 1: 95-101.

Mineralogicheskii Zhurnal (1980): 2(2): 85-90.

Internet Links for Shortite

Localities for Shortite

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.
Canada
 
  • Ontario
    • Timiskaming District
      • Gauthier Township
R. H. Mitchell (1978) Composition of spinels in micaceous kimberlite from the Upper Canada Mine, Kirkland Lake, Ontario. Can Mineral 16:591-595
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
China
 
  • Henan Province
    • Nanyang Prefecture
      • Tongbai Co.
        • Biyang basin
Jianmin Zhaou and Jiping Wang (1989): Acta Sedimentologica Sinica 7(4), 149
Youxun Zhang (1983): Mineral Deposits 2(3), 69-71
India
 
  • Andhra Pradesh
    • Anantapur District
AmMin 87:1384–1389 (2002)
Russia
 
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
      • Daldyn-Alakit kimberlite field
        • Daldyn
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
        • Afrikanda
www.koeln.netsurf.de/~w.steffens/afri.htm
        • 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
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; New Data on Minerals (2004): 39: 50-64
[World of Stones 95:5-6, p64]
        • Lovozero Massif
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
            • Umbozero mine (Umbozerskii mine; Umba Mine)
Pekov I V, Chukanov N V, Khomyakov A P, Rastsvetaeva R K, Kucherinenko Y V, Nedel'ko V V (1999) Korobitsynite, Na3-x(Ti,Nb)2[Si4O12](OH,O)2·3-4H2O, a new mineral from Lovozero massif, Kola Peninsula, Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 128, issue 3 72-79; Pekov, I.V. (2000): Lovozero Massif. Moscow, Ocean Pictures Ltd, 480 pp.
      • Northern Karelia
www.koeln.netsurf.de/~w.steffens/vuori.htm
Tajikistan
 
  • Region of Republican Subordination
    • Tien Shan Mtn
      • Alai Range (Alayskiy)
http://www.koeln.netsurf.de/~w.steffens/dara.htm
Uganda
 
  • Tororo District
Mineralogical Magazine. 44:201-204
USA
 
  • Colorado
    • Rio Blanco Co.
      • Piceance Basin
Minerals of Colorado (1997) E.B. Eckels
        • Green River Formation
Minerals of Colorado (1997) E.B. Eckels
  • Utah
    • Duchesne Co.
Am Min 58:211-217
UGMS Bull 117 Minerals and Mineral Localities of Utah
http://gsa.confex.com/gsa/2002AM/finalprogram/abstract_45510.htm.
Am Min 45:188-199
Am Min 58:211-217
U.S. GEOLOGICAL SURVEY Open-File Report 96-0729
    • Uintah Co.
UGMS Bull 117 Minerals and Mineral Localities of Utah
Am Min 41:672; American Mineralogist (1952) 37:342-344
  • Wyoming
    • Sweetwater Co.
      • Green River Basin
Tony Nikischer
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, 223, 279.
Fahey J.J. (1939), American Mineralogist: 24: 514-518.
Am Min 46:420-429
Mineral and/or Locality  
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