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Lemoynite

This page kindly sponsored by Douglas Merson
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About LemoyniteHide

Charles Le Moyne
Formula:
(Na,K)2CaZr2Si10O26 · 5H2O
Hardness:
4
Crystal System:
Monoclinic
Name:
Named in honor of Charles Le Moyne (1626-1685), sieur de Longueuil (Quebec) and members of his family, prominent in early Canadian and American history. Le Moyne who arrived in Canada from France in 1641, became the patriarch of a very illustrious family that included his sons Pierre who served as Governor of Louisiana, and Jean-Baptist, the founder of New Orleans.
This page provides mineralogical data about Lemoynite.


Classification of LemoyniteHide

Approved
9.DP.35

9 : SILICATES (Germanates)
D : Inosilicates
P : Transitional ino-phyllosilicate structures
74.3.3.2

74 : PHYLLOSILICATES Modulated Layers
3 : Modulated Layers with joined strips
14.10.23

14 : Silicates not Containing Aluminum
10 : Silicates of Zr or Hf

Physical Properties of LemoyniteHide

Hardness:

Optical Data of LemoyniteHide

Type:
Biaxial (+)
RI values:
nα = 1.540 nβ = 1.553 nγ = 1.570
2V:
Measured: 80° , Calculated: 84°
Max Birefringence:
δ = 0.030
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
weak

Chemical Properties of LemoyniteHide

Formula:
(Na,K)2CaZr2Si10O26 · 5H2O
IMA Formula:
Na2CaZr2Si10O26 · 5-6H2O
Common Impurities:
Ti,Al,Fe,Nb,Mn,Cu,Zn,Mg,Sr,Rb

Crystallography of LemoyniteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 10.38 Å, b = 15.94 Å, c = 18.6 Å
β = 104.59°
Ratio:
a:b:c = 0.651 : 1 : 1.167
Unit Cell V:
2,978.26 ų (Calculated from Unit Cell)

Type Occurrence of LemoyniteHide

Synonyms of LemoyniteHide

Other Language Names for LemoyniteHide

German:Lemoynit
Simplified Chinese:水钠钙锆石
Spanish:Lemoynita
Traditional Chinese:水鈉鈣鋯石

Common AssociatesHide

Associated Minerals Based on Photo Data:
Hisingerite3 photos of Lemoynite associated with Hisingerite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

9.DP.05Meliphanite(Ca,Na)2(Be,Al)[Si2O6(OH,F)]Tet. 4 : I4
9.DP.15LeucospheniteBaNa4Ti2B2Si10O30Mon.
9.DP.20PrehniteCa2Al2Si3O10(OH)2Orth. mm2
9.DP.25AmstalliteCaAl(Si,Al)4O8(OH)4 · (H2O,Cl)Mon. 2/m : B2/b
9.DP.30KvanefjelditeNa4(Ca,Mn)(Si3O7)2(OH)2Orth.
9.DP.35NatrolemoyniteNa4Zr2Si10O26•9H2OMon. 2/m : B2/m
9.DP.40AltisiteNa3K6Ti2Al2Si8O26Cl3Mon.

Related Minerals - Dana Grouping (8th Ed.)Hide

74.3.3.1AltisiteNa3K6Ti2Al2Si8O26Cl3Mon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

14.10.1ZirconZr(SiO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
14.10.2HafnonHfSiO4Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
14.10.3ZektzeriteLiNaZrSi6O15Orth.
14.10.4ParakeldyshiteNa2ZrSi2O7Tric.
14.10.5VlasoviteNa2ZrSi4O11Mon. 2/m : B2/b
14.10.6Keldyshite(Na,H)2ZrSi2O7Tric. 1 : P1
14.10.7GaidonnayiteNa2Zr(Si3O9) · 2H2OOrth. mmm (2/m 2/m 2/m) : Pmna
14.10.8TerskiteNa4ZrSi6O16 · 2H2OOrth.
14.10.9ElpiditeNa2ZrSi6O15 · 3H2OOrth.
14.10.10HilairiteNa2Zr[SiO3]3 · 3H2OTrig.
14.10.11PetarasiteNa5Zr2(Si6O18)(Cl,OH) · 2H2OMon. 2/m : P21/m
14.10.12KhibinskiteK2ZrSi2O7Mon.
14.10.13WadeiteK2Zr(Si3O9)Hex.
14.10.14DalyiteK2ZrSi6O15Tric.
14.10.15KostyleviteK2Zr(Si3O9) · H2OMon.
14.10.16UmbiteK2(Zr,Ti)Si3O9 · H2OOrth.
14.10.17ParaumbiteK3Zr2H(Si3O9)2 · nH2OOrth.
14.10.18GeorgechaoiteNaKZr[Si3O9] · 2H2OOrth. mm2
14.10.19GittinsiteCaZrSi2O7Mon.
14.10.20CalciocatapleiiteCaZr(Si3O9) · 2H2O
14.10.21CalciohilairiteCaZr[SiO3]3 · 3H2OTrig.
14.10.22ArmstrongiteCaZr[Si6O15] · 3H2OMon.
14.10.24CatapleiiteNa2Zr(Si3O9) · 2H2OMon.
14.10.25BaghdaditeCa3(Zr,Ti)(Si2O7)O2Mon.
14.10.26LovozeriteNa2Ca(Zr,Ti)(Si6O12)[(OH)4O2] · H2OMon.
14.10.27Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2Mon. 2/m : P21/b
14.10.28PenkvilksiteNa4Ti2Si8O22 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pbcn
14.10.29DarapiositeK(Na,◻,K)2(Li,Zn,Fe)3(Mn,Zr,Y)2[Si12O30]Hex. 6/mmm (6/m 2/m 2/m) : P6/mcc
14.10.30BaziriteBaZr(Si3O9)Hex.
14.10.31KomkoviteBaZr[Si3O9] · 3H2OTrig.
14.10.32ZirsinaliteNa6(Ca,Mn2+,Fe2+)Zr(Si6O18)Trig.
14.10.33Tranquillityite(Fe2+,Ca)8(Zr,Y)2Ti3(SiO4)3O12Hex.

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.

References for LemoyniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
PERRAULT, G., SEMENOV, E.I., BIKOVA, A.V., and CAPITONOVA, T.A. (1969) La lemoynite, un nouveau silicate hydraté de Zirconium et de sodium de St. Hilaire, Québec. Canadian Mineralogist, 9, 585 596. (in French with English abstract)
LE PAGE, Y., and PERRAULT, G. (1976) Structure cristalline de la lemoynite, (Na,K)2CaZr2Si10O26•5 6H2O.Canadian Mineralogist, 14, 132 138 (in French).
McDONALD, A.M., and CHAO, G.Y. (2001) Natrolemoynite, a new hydrated sodium zirconosilicate from Mont Saint-Hilaire, Quebec: description and structure determination. Canadian Mineralogist, 39, 1295-1306.
Horváth, L., Pfenninger-Horváth, E., Gault, R. A., & Tarassoff, P. (1998): Mineralogy of the Saint-Amable Sill, Varennes and Saint-Amable, Québec. Mineralogical Record, 29: 83-118.

Internet Links for LemoyniteHide

Localities for LemoyniteHide

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 (TL)
 
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Perrault G., Semenov E.I., Bikova A.V. and Capitonova T.A. (1969), La lemoynite, un nouveau silicate hydrate de zirconium et de sodium de St.-Hilaire, Quebec. Canadian Mineralogist, 9, 585-596. (in French with English abstract) LE PAGE, Y., and PERRAULT, G. (1976) Structure cristalline de la lemoynite, (Na,K2CaZr2Si10O26•5 6H2O.Canadian Mineralogist, 14, 132 138 (in French). McDonald, A.M. (1997), Lemoynite and lemoynite-like minerals from Mont Saint-Hilaire, Quebec. Rochester Mineralogical Symposium: 187-188.
      • Lajemmerais RCM
        • Varennes & St-Amable
HORVÁTH, L., PFENNINGER HORVÁTH, E., GAULT, R.A., and TARASSOFF, P. (1998) Mineralogy of the Saint Amable sill, Varennes and Saint Amable, Québec, Canada. Mineralogical Record, 29, 83 118.
Horváth, L., Pfenninger-Horváth, E., Gault, R. A., & Tarassoff, P. (1998): Mineralogy of the Saint-Amable Sill, Varennes and Saint-Amable, Québec. Mineralogical Record, 29: 83-118.
USA
 
  • New Mexico
    • Otero Co.
      • Cornudas Mts
Dr. W. Stoll (private communication 2001 & 2004)
Mineral and/or Locality  
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