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Eitelite

A valid IMA mineral species - grandfathered
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Na2Mg(CO3)2
Colour:
Colorless
Lustre:
Vitreous
Hardness:
3½
Specific Gravity:
2.737
Crystal System:
Trigonal
Name:
Named by C. Milton, J.M. Axelrod, and F.S. Grimaldi in 1955 in honor of Wilhelm Hermann Julius Eitel (6 May 1891, Frankfurt, Germany - 20 July 1979, Toledo, Ohio, USA), Director, Institute of Silicate Research, University of Toledo, Ohio, who first synthesized it.
Type Locality:
ⓘCarter Oil Company Poulson No. 1 Well, Duchesne County, Utah, USA
This page provides mineralogical data about Eitelite.


Unique Identifiers
First published:
1955
Type description reference:
Milton, C., Axelrod, J.M., Grimaldi, F.S. (1955) New minerals, reedmergnerite (Na2O·B2O3·6SiO2) and eitelite (Na2O·MgO·2CO2) associated with leucosphenite, shortite, searlesite, and crocidolite in the Green River formation, Utah. American Mineralogist: 40: 326-327.

Classification of Eitelite

5 : CARBONATES (NITRATES)
A : Carbonates without additional anions, without H2O
C : Alkali and alkali-earth carbonates
Dana 8th ed.:
14.3.2.1

14 : ANHYDROUS NORMAL CARBONATES
3 : A2B(XO3)2
Hey's CIM Ref.:
11.3.10

11 : Carbonates
3 : Carbonates of Mg

Mineral Symbols
Transparency:
Transparent
Colour:
Colorless
Streak:
White
Hardness:
3½ onMohs scale
Cleavage:
Very Good
Excellent on {0001}, also transverse on {0001}
Density:
2.737 g/cm3 (Measured)    2.732 g/cm3 (Calculated)

Optical Data of Eitelite
Surface Relief:
Moderate

Chemistry of Eitelite

Crystallography of Eitelite
General Appearance of Type Material:
Crystals, a few millimeters in diameter.
Place of Conservation of Type Material:
n.d.
Geological Setting of Type Material:
Authigenic mineral from dolomitic shale.
Associated Minerals at Type Locality:
CrocidoliteLeucospheniteSearlesiteShortite
Reference:
Milton, C., Axelrod, J.M., Grimaldi, F.S. (1955) New minerals, reedmergnerite (Na2O·B2O3·6SiO2) and eitelite (Na2O·MgO·2CO2) associated with leucosphenite, shortite, searlesite, and crocidolite in the Green River formation, Utah. American Mineralogist: 40: 326-327.

Other Language Names for Eitelite

Related Minerals -Strunz-mindat GroupingHex.5.AC.10NyerereiteNa2Ca(CO3)2Orth.mmm(2/m2/m2/m) :Pbca5.AC.15BütschliiteK2Ca(CO3)2Trig.3m(32/m) :R3m5.AC.20FairchilditeK2Ca(CO3)2Hex. 6/mmm(6/m2/m2/m) :P63/mmc5.AC.25ShortiteNa2Ca2(CO3)3Orth.mm2 :Amm25.AC.30Burbankite(Na,Ca)3(Sr,Ba,Ce)3(CO3)5Hex. 6mm :P63mc5.AC.30CalcioburbankiteNa3(Ca,REE,Sr)3(CO3)5Hex. 6mm :P63mc5.AC.30SanromániteNa2CaPb3[CO3]5Hex. 6mm :P63mc5.AC.30Khanneshite(Na,Ca)3(Ba,Sr,Ce,Ca)3(CO3)5Hex. 6mm :P63mc5.AC.30Lishiite(Ca2◻)Sr3(CO3)5Hex. 6mm :P63mc

Other Information
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    • References for EiteliteⓘBailundoCastellano Calvo A et al. (2014)Castellano Calvo A et al. (2014)
    Brazil
     
    Kaminsky et al. (2013)+2 other referencesKaminsky et al. (2015)
    Canada
     
    Chakhmouradian et al. (2015)Sharygin et al. (2013)Kamenetsky et al. (2013)
    China
     
    Zhang et al. (2019, December)+1 other reference
    Mexico
     
    Mariano et al. (2014, June)
    Russia
     
    Golovin et al. (2023)Chayka et al. (2021) ...Sharygin et al. (2013)Sharygin et al. (2013)+1 other referenceMikhailova et al. (2015)Zaitsev et al. (2004)Logvinova et al. (2019)Sharygin et al. (2013)Sharygin et al. (2021, October)Sharygin (2016)+1 other reference
    South Africa
     
    Kamenetsky et al. (2014)Giuliani et al. (2012)+2 other referencesAbersteiner et al. (2024)
    Spain
     
    Sanz-Montero et al. (2019)
    Sudan
     
    Mees et al. (1991)+1 other reference
    Tajikistan
     
    www.koeln.netsurf.de (1999)
    USA
     
    Tank (1972)+2 other referencesMilton et al. (1955)Bullock (1981)gsa.confex.com (n.d.)Milton et al. (1960)U.S. Geological Survey Open-File Report ...+1 other referenceU.S. Geological Survey Open-File Report ...Färber (n.d.)
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