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Levinsonite-(Y)

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Dr. Alfred A. Levinson
Formula:
(Y,Nd,La)Al(C2O4)(SO4)2 · 12H2O
System:
Monoclinic
Colour:
Colourless
Lustre:
Vitreous
Name:
Named in honor of Alfred Abraham Levinson (1927-2005), Professor emeritus of Mineralogy, University of Calgary, Calgary, Alberta, the originator of the internationally used nomenclature for rare earth element (REE) minerals.
This page provides mineralogical data about Levinsonite-(Y).

Classification of Levinsonite-(Y)

Approved
10.AB.70

10 : ORGANIC COMPOUNDS
A : Salts of organic acids
B : Oxalates
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http://www.mindat.org/min-7024.html
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First Recorded Occurrence of Levinsonite-(Y)

Geological Setting of First Recorded Material:
Cave

Physical Properties of Levinsonite-(Y)

Vitreous
Colour:
Colourless
Streak:
White
Tenacity:
Brittle
Cleavage:
Perfect
on {101}
Fracture:
Irregular/Uneven
Density:
2.181 g/cm3 (Calculated)

Crystallography of Levinsonite-(Y)

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 10.289(1) Å, b = 9.234(1) Å, c = 11.015Å
β = 108.50°
Ratio:
a:b:c = 1.114 : 1 : 1.193
Unit Cell Volume:
V 992.44 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Prismatic crystals, elongate [101] to 1.0 mm in length, and as randomly oriented groups of a few crystals.

Optical Data of Levinsonite-(Y)

Type:
Biaxial (+)
RI values:
nα = 1.480 nβ = 1.490 nγ = 1.550
2V:
Measured: 7° , Calculated: 46°
Max Birefringence:
δ = 0.070
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 Levinsonite-(Y)

Formula:
(Y,Nd,La)Al(C2O4)(SO4)2 · 12H2O
Essential elements:
All elements listed in formula:

Relationship of Levinsonite-(Y) to other Species

10.AB.05HumboldtineFe2+(C2O4) · 2H2O
10.AB.05LindbergiteMn2+(C2O4) · 2H2O
10.AB.10GlushinskiteMg(C2O4) · 2H2O
10.AB.15MoolooiteCu(C2O4) · 0.4H2O
10.AB.20StepanoviteNaMgFe3+(C2O4)3 · 8-9H2O
10.AB.25MinguzziteK3Fe3+(C2O4)3 · 3H2O
10.AB.30WheatleyiteNa2Cu(C2O4)2 · 2H2O
10.AB.35ZhemchuzhnikoviteNaMg(Fe3+,Al)(C2O4)3 · 8H2O
10.AB.40WeddelliteCa(C2O4) · 2H2O
10.AB.45WhewelliteCa(C2O4) · H2O
10.AB.50CaoxiteCa(C2O4) · 3H2O
10.AB.55Oxammite(NH4)2(C2O4) · H2O
10.AB.60NatroxalateNa2(C2O4)
10.AB.65Coskrenite-(Ce)(Ce,Nd,La)2(C2O4)(SO4)2 · 12H2O
10.AB.75Zugshunstite-(Ce)(Ce,Nd,La)Al(C2O4)(SO4)2 · 12H2O
10.AB.80NovgorodovaiteCa2(C2O4)Cl2 · 2H2O

Other Names for Levinsonite-(Y)

Name in Other Languages:

Other Information

Other Information:
Soluble in water
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 Levinsonite-(Y)

Reference List:
ROUSE, R.C., PEACOR, D.R., ESSENE, E.J., COSKREN, T.D. & LAUF, R.J. (2001) The new minerals levinsonite-(Y) [(Y,Nd,Ce)Al(SO4)2(C2O4)12H2O] and zugshunstite-(Ce) [(Ce,Nd,La,)Al(SO4)2(C2O4)12H2O]: coexisting oxalates with different structures and differentiation of LREE and HREE. Geochimica et Cosmochimica Acta, 65, 1101-1115. Abstracted in: American Mineralogist (2001): 86: 1535-1536.

Internet Links for Levinsonite-(Y)

Localities for Levinsonite-(Y)

(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.
USA
 
  • Tennessee
    • Sevier Co.
      • Great Smoky Mountains National Park
ROUSE, R.C., PEACOR, D.R., ESSENE, E.J., COSKREN, T.D. & LAUF, R.J. (2001) The new minerals levinsonite-(Y) [(Y,Nd,Ce)Al(SO4)2(C2O4)12H2O] and zugshunstite-(Ce) [(Ce,Nd,La,)Al(SO4)2(C2O4)12H2O]: coexisting oxalates with different structures and differentiation of LREE and HREE. Geochimica et Cosmochimica Acta, 65, 1101-1115.Coskren, T. D. & Lauf, R. J. (2000): The Minerals of Alum Cave Bluff, Great Smoky Mountains, Tennessee. Mineralogical Record, 31, 163-175.; Rocks & Min. (2007) 82:235
Mineral and/or Locality  
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