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Normandite

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Formula:
NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF
System:
Monoclinic
Hardness:
5 - 6
Name:
Named after Dr. Charles Normand (b. 1963), Canadian geologist, who discovered the mineral.
This page provides mineralogical data about Normandite.


Classification of Normandite

Approved
Approval Year:
1990
9.BE.17

9 : SILICATES (Germanates)
B : Sorosilicates
E : Si2O7 groups, with additional anions; cations in octahedral [6] and greater coordination

Physical Properties of Normandite

Hardness (Mohs):
5 - 6

Optical Data of Normandite

Type:
Biaxial (-)
RI values:
nα = 1.743 nβ = 1.785 nγ = 1.810
2V:
Measured: 72° to 84°, Calculated: 72°
Max Birefringence:
δ = 0.067
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v moderate

Chemical Properties of Normandite

Formula:
NaCa(Mn,Fe)(Ti,Nb,Zr)(Si2O7)OF
Elements listed in formula:

Crystallography of Normandite

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Space Group Setting:
P21/a
Cell Parameters:
a = 10.798 Å, b = 9.835 Å, c = 7.090 Å
β = 108.08°
Ratio:
a:b:c = 1.098 : 1 : 0.721
Unit Cell Volume:
V 715.77 ų (Calculated from Unit Cell)

Type Occurrence of Normandite

Relationship of Normandite to other Species

Other Members of Group:
BaghdaditeCa3(Zr,Ti)(Si2O7)O2
BurpaliteNa2CaZr(Si2O7)F2
CuspidineCa4(Si2O7)(F,OH)2
Hiortdahlite(Na,Ca)2Ca4Zr(Mn,Ti,Fe)(Si2O7)2(F,O)4
Janhaugite(Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2
Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti)(Si2O7)(O,OH,F)2
MarianoiteNa2Ca4(Nb,Zr)2(Si2O7)2(O,F)4
Niocalite(Ca,Nb)4(Si2O7)(O,OH,F)2
WöhleriteNaCa2(Zr,Nb)(Si2O7)(O,OH,F)2
9.BE.02WadsleyiteMg2SiO4
9.BE.05HennomartiniteSrMn23+Si2O7(OH)2 · H2O
9.BE.05LawsoniteCaAl2Si2O7(OH)2 · H2O
9.BE.05NoelbensoniteBaMn23+Si2O7(OH)2 · H2O
9.BE.05ItoigawaiteSrAl2Si2O7(OH)2 · H2O
9.BE.07IlvaiteCaFe3+Fe22+O(Si2O7)(OH)
9.BE.07ManganilvaiteCaFe2+Fe3+Mn2+(Si2O7)O(OH)
9.BE.10SuoluniteCa2Si2O5(OH)2 · H2O
9.BE.12JaffeiteCa6Si2O7(OH)6
9.BE.15FresnoiteBa2TiO(Si2O7)
9.BE.17BaghdaditeCa3Zr(Si2O7)O2
9.BE.17BurpaliteNa2CaZr(Si2O7)F2
9.BE.17CuspidineCa4(Si2O7)F2
9.BE.17Hiortdahlite(Na,Ca)2Ca4Zr(Mn,Ti,Fe)(Si2O7)2(F,O)4
9.BE.17Janhaugite(Na,Ca)3(Mn2+,Fe2+)3(Ti,Zr,Nb)2(Si2O7)2O2(OH,F)2
9.BE.17Låvenite(Na,Ca)2(Mn2+,Fe2+)(Zr,Ti,Nb)(Si2O7)(O,OH,F)2
9.BE.17NiocaliteCa7Nb(Si2O7)2O3F
9.BE.17WöhleriteNaCa2(Zr,Nb)(Si2O7)(O,F)2
9.BE.17Hiortdahlite INa4Ca8Zr2(Nb,Mn,Ti,Fe,Mg,Al)2(Si2O7)4O3F5
9.BE.17MarianoiteNa2Ca4(Nb,Zr)2(Si2O7)2(O,F)4
9.BE.20Mosandrite-(Ce)(Ca3Ce)[(H2O)2Ca0.50.5]Ti(Si2O7)2(OH)2(H2O)2
9.BE.20Nacareniobsite-(Ce)(Ca3Ce)Na3Nb(Si2O7)2(OF)F2
9.BE.22GötzeniteCa4NaCa2Ti(Si2O7)2(OF)F2
9.BE.22Hainite-(Y)(Ca3Y)Na(NaCa)Ti(Si2O7)2(OF)F2
9.BE.22RosenbuschiteCa6Zr2Na6ZrTi(Si2O7)4(OF)2F4
9.BE.22KochiteCa2MnZrNa3Ti(Si2O7)2(OF)F2
9.BE.23DovyreniteCa6Zr(Si2O7)2(OH)4
9.BE.25Barytolamprophyllite(BaK)Ti2Na3Ti(Si2O7)2O2(OH)2
9.BE.25EricssoniteBaMn22+Fe3+(Si2O7)O(OH)
9.BE.25Lamprophyllite(SrNa)Ti2Na3Ti(Si2O7)2O2(OH)2
9.BE.25Ericssonite-2OBaMn22+Fe3+(Si2O7)O(OH)
9.BE.25SeidozeriteNa2Zr2Na2MnTi(Si2O7)2O2F2
9.BE.25Nabalamprophyllite(BaNa)Ti2Na3Ti(Si2O7)2O2(OH)2
9.BE.25GrenmariteNa2Zr2Na2MnZr(Si2O7)2O2F2
9.BE.25SchülleriteBa2Ti2Na2Mg2(Si2O7)2O2F2
9.BE.25LileyiteBa2Ti2Na2Fe2+Mg(Si2O7)2O2F2
9.BE.27MurmaniteNa2Ti2Na2Ti2(Si2O7)2O4(H2O)4
9.BE.30Epistolite(Na◻)Nb2Na3Ti(Si2O7)2O2(OH)2(H2O)4
9.BE.32LomonosoviteNa6Na2Ti2Na2Ti2(Si2O7)2(PO4)2O4
9.BE.35VuonnemiteNa6Na2Nb2Na3Ti(Si2O7)2(PO4)2O2(OF)
9.BE.37SoboleviteNa6(Na2Ca)(NaCaMn)Na2Ti2Na2(TiMn)(Si2O7)2(PO4)4O2(OF)F2
9.BE.40InneliteBa4Ti2Na(NaCa)Ti(Si2O7)2[(SO4)(PO4)]O2[O(OH)]
9.BE.40PhosphoinneliteNa3Ba4Ti3Si4O14(PO4)2O2F
9.BE.42YoshimuraiteBa4Mn42+Ti2(Si2O7)2(PO4)2O2(OH)2
9.BE.45QuadruphiteNa6Na2(CaNa)2Na2Ti2Na2Ti2(Si2O7)2(PO4)4O4F2
9.BE.47PolyphiteNa6(Na4Ca2)2Na2Ti2Na2Ti2(Si2O7)2(PO4)6O4F4
9.BE.50BornemaniteNa6(Na◻)Ba2Ti2Nb2(Si2O7)4(PO4)2O4(OH)2F2
9.BE.50ShkatulkaliteNa10MnTi3Nb3(Si2O7)6(OH)2F · 12H2O
9.BE.55BafertisiteBa2Fe42+Ti2(Si2O7)2O2(OH)2F2
9.BE.55HejtmaniteBa2Mn42+Ti2(Si2O7)2O2(OH)2F2
9.BE.55Bykovaite(Ba,Na,K)2(Na,Ti,Mn)4(Ti,Nb)2O2Si4O14(H2O,F,OH)2 · 3.5H2O
9.BE.55Nechelyustovite(Na◻)◻2Ba4Ti4Nb4(Na11◻)Ti4(Si2O7)8O8(OH)8(H2O)12
9.BE.60DelindeiteBa2Ti2(Na2◻)Ti(Si2O7)2(OH)2(H2O)2O2
9.BE.65BusseniteBa4(Na,◻)2(Fe2+,Na)2Ti2(Si2O7)2(CO3)2O2(OH)2(H2O)2F2
9.BE.67JinshajiangiteBaNaFe42+Ti2(Si2O7)2O2(OH)2F
9.BE.67PerraultiteNaBaMn4Ti2(Si2O7)2O2(OH)2F
9.BE.67SurkhobiteKBa3Ca2Na2Mn16Ti8(Si2O7)8O8(OH)4(F,O,OH)8
9.BE.70Karnasurtite-(Ce)CeTiAlSi2O7(OH)4 · 3H2O
9.BE.70Perrierite-(Ce)Ce4MgFe23+Ti24+O8(Si2O7)2
9.BE.70Strontiochevkinite(Sr,Ce,La)4Fe2+(Ti,Zr)4O8(Si2O7)2
9.BE.70Chevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
9.BE.70Polyakovite-(Ce)(Ce,Ca)4MgCr2(Ti,Nb)2Si4O22
9.BE.70RengeiteSr4Ti4ZrO8(Si2O7)2
9.BE.70MatsubaraiteSr4Ti5O8(Si2O7)2
9.BE.70Dingdaohengite-(Ce)(Ce3+,La)4Fe2+(Ti,Fe2+,Mg,Fe3+)2Ti2Si4O22
9.BE.70Maoniupingite-(Ce)(Ce,Ca)4(Fe3+,Ti,Fe2+,◻)(Ti,Fe3+,Fe2+,Nb)4Si4O22
9.BE.70Perrierite-(La)(La,Ce,Ca)4(Fe2+,Mn)(Ti,Fe3+,Al)4(Si2O7)2O8
9.BE.70UKI-2008-(SiO:SrTiZr)Sr4ZrTi4(Si2O7)2O8
9.BE.70Hezuolinite(Sr,REE)4Zr(Ti,Fe3+,Fe2+)2Ti2O8(Si2O7)2
9.BE.72FersmaniteCa4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3
9.BE.75BelkoviteBa3Nb6(Si2O7)2O12
9.BE.77NasoniteCa4Pb6(Si2O7)3Cl2
9.BE.80KentrolitePb2Mn23+O2(Si2O7)
9.BE.80MelanotekitePb2Fe23+O2Si2O7
9.BE.82TilleyiteCa5Si2O7(CO3)2
9.BE.85KillalaiteCa3.2[H0.6Si2O7](OH)
9.BE.87Stavelotite-(La)La3Mn32+Cu2+(Mn3+,Fe3+,Mn4+)26(Si2O7)6O30
9.BE.90Biraite-(Ce)Ce2Fe2+Si2O7(CO3)
9.BE.92Cervandonite-(Ce)(Ce,Nd,La)(Fe3+,Ti,Fe2+,Al)3O2(Si2O7)1-x+y(AsO3)1+x-y(OH)3x-3y, x=0.5, y=0.3
9.BE.95BatisiviteBaTi6(V,Cr)8Si2O29

Other Names for Normandite

Name in Other Languages:

Other Information

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 Normandite

Reference List:
Chao, G.Y., Gault, R.A. (1997) Normandite, the Ti-analogue of låvenite, from Mont Saint-Hilaire, Quebec. The Canadian Mineralogist, 35, 1035-1039.

Perchiazzi, N., McDonald, A.M., Gault, R.A., Johnsen, O., Merlino, S. (2000) The crystal structure of normandite and its crystal-chemical relationship to låvenite. The Canadian Mineralogist, 38, 641-648.

Internet Links for Normandite

mindat.org URL:
https://www.mindat.org/min-2932.html
Please feel free to link to this page.
Specimens:
The following Normandite specimens are currently listed for sale on minfind.com.

Localities for Normandite

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.
(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.
Brazil
 
  • Minas Gerais
    • Poços de Caldas alkaline complex
      • Poços de Caldas
ATENCIO, D., COUTINHO, J.M.C., ULBRICH, M.N.C., VLACH, S.R.F., RASTVETAEVA, R.K. & PUSHCHAROVSKY, D.Yu. (1999) Hainite from Poços de Caldas, Minas Gerais, Brazil. Canadian Mineralogist, 37, 91-98.
Canada (TL)
 
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Chao, G.Y. and Gault, R.A. (1997), Normandite, the Ti analogue of låvenite, from Mont Saint-Hilaire, Quebec. Canadian Mineralogist: 35: 1035-1040. PERCHIAZZI, N., McDONALD, A.M., GAULT, R.A., JOHNSEN, O., and MERLINO, S. (2000) The crystal structure of normandite and its crystal-chemical relationship to låvenite. Canadian Mineralogist, 38, 641-648.
Greenland
 
  • Qeqqata
    • Kangerlussuaq Fjord (Søndre Strømfjord)
      • Amdrup Firth
Perchiazzi, N. et al. ( 2000): The crystal structure of Normandite and its crystal-chemical relationship with Lavenite, Canadian Mineralogist, Vol. 38, 641 - 648
Guinea
 
Biagioni, C. (2007). I disilicati di Zr-Ti-Nb-REE delle sieniti a nefelina delle Iles de Los (Guinea). Tesi di laurea inedita, Università di Pisa. BIAGIONI, C., MERLINO, S., PARODI, G. and PERCHIAZZI, N. (2012) Crystal chemistry of minerals of the wöhlerite group from the Los Archipelago, Guinea. Canadian Mineralogist, 50, 593-609.
Morocco
 
  • Béni Mellal-Khénifra Region
    • Khénifra Province
      • Tamazeght Mountain Range
Khadem Allah, B. (1993)
Russia
 
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
        • Khibiny Massif
LAPIS 4/96; Yakovenchuk, V. N., Ivanyuk, G., Pakhomovsky, Y. & Men'shikov, Y. (2005): Khibiny. Apatity & London (Laplandia Minerals in association with the Mineral. Soc. of GB & Ireland), 468 pp (P.253-4)
PEKOV, I.V. (2001) Lovozero massif. Published by Ocean Pictures, Moscow, 351-352.
Spain
 
  • Canary Islands
    • Santa Cruz de Tenerife Province
      • Tenerife
Ferguson, A.K. (1978): The occurence of Ramseyite, Titan-Lavenite and a fluorine-rich Eucolite in a nepheline-syenite inclusion from Tenerife, Canary Islands, Contrib Mineral Petrol 66, 15-20.
Mineral and/or Locality  
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