Yofortierite (original) (raw)

A valid IMA mineral species

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About YofortieriteHide

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Formula:

Mn2+Mn2+2Mn2+2◻2Si8O20(OH)2(H2O)4 · 4H2O

Colour:

Pink to pale violet, brown

Crystal System:

Monoclinic

Name:

Named in honour of Yves Oscar Fortier (17 August 1914, Quebec City, Quebec, Canada - 19 August 2014, Ottawa, Ontario, Canada), Director of the Geological Survey of Canada (1964-1973), for his many contributions to Canadian geosciences.

Unique IdentifiersHide

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Long-form identifier:

mindat:1:1:4364:5

7759ef63-0985-45c2-a154-3a53f87a7dfe

IMA Classification of YofortieriteHide

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IMA Formula:

Mn2+5Si8O20(OH)2 · 7H2O

Type description reference:

Classification of YofortieriteHide

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9.EE.20

9 : SILICATES (Germanates)
E : Phyllosilicates
E : Single tetrahedral nets of 6-membered rings connected by octahedral nets or octahedral bands

74.3.1a.3

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

14.17.10

14 : Silicates not Containing Aluminum
17 : Silicates of Mn

Mineral SymbolsHide

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As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

Symbol Source Reference
Yof IMA–CNMNC Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
Yof Warr (2020) Warr, L.N. (2020) Recommended abbreviations for the names of clay minerals and associated phases. Clay Minerals, 55, 261–264 doi:10.1180/clm.2020.30

Physical Properties of YofortieriteHide

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Colour:

Pink to pale violet, brown

Density:

2.18 g/cm3 (Measured) 2.82 g/cm3 (Calculated)

Optical Data of YofortieriteHide

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RI values:

_n_α = 1.530 _n_γ = 1.559

δ = 0.029

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Optical Extinction:

X ∧ fiber axis = 8°.

Comments:

Absorption: Maximum ⊥ length of fibers.

Chemistry of YofortieriteHide

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Mindat Formula:

Mn2+Mn2+2Mn2+2◻2Si8O20(OH)2(H2O)4 · 4H2O

Common Impurities:

Ti,Al,Cr,Zn,Ca,K

Crystallography of YofortieriteHide

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Crystal System:

Monoclinic

Class (H-M):

2/m - Prismatic

Cell Parameters:

a = 14.1686 Å, b = 17.8583 Å, c = 5.2919 Å
β = 105.878°

Ratio:

a:b:c = 0.793 : 1 : 0.296

Morphology:

Radiating fibres, single crystals are thin, about 1 micron.

Crystal StructureHide

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ID Species Reference Link Year Locality Pressure (GPa) Temp (K)
0019873 Yofortierite Hawthorne F C, Abdu Y A, Tait K T, Back M E (2013) The crystal structure of yofortierite The Canadian Mineralogist 51 243-251 2013 Poudrette Quarry, Mont St. Hilaire, Quebec, Canada 0 293

CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

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Powder Diffraction Data:

d-spacing Intensity
10.5 Å (100)
3.302 Å (90)
2.621 Å (30)
2.510 Å (20)
4.14 Å (18)

Comments:

From type description, most important peaks.

Geological EnvironmentHide

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Type Occurrence of YofortieriteHide

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General Appearance of Type Material:

Place of Conservation of Type Material:

Ecole Polytechnique, Montreal, Canada.
Royal Ontario Museum, Toronto, Canada.
Canadian Museum of Nature, Ottawa, Ontario, Canada, number 37133.
British Museum of Natural History, London, UK, number BM 1975,418.
National Museum of Natural History (Smithsonian Institution), Washington, D.C., USA, number 131952.
Ecole des Mines, Paris, France, number 51122.
Universite de Paris, Paris, France.
Musee d'Histoire Naturelle, Paris, France, number 178118.

Geological Setting of Type Material:

A late-stage hydrothermal mineral in pegmatite veins in nepheline syenite.

Associated Minerals at Type Locality:

Reference:

Perrault, G., Harvey, Y., and Pertsowsky, R (1975) La yofortierite, un nouveau silicate hydraté de manganése de St Hilaire, P.Q. The Canadian Mineralogist: 13: 68-74.

Synonyms of YofortieriteHide

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Other Language Names for YofortieriteHide

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Simplified Chinese:锰坡缕石

Traditional Chinese:錳坡縷石

Relationship of Yofortierite to other SpeciesHide

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Other Members of this group:

Common AssociatesHide

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Associated Minerals Based on Photo Data:

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9.EE. Cairncrossite Sr2Ca7-xNa2x(Si4O10)4(OH)2(H2O)15-x Tric. 1 : _P_1
9.EE.05 Bementite Mn7Si6O15(OH)8 Mon.
9.EE.07 Innsbruckite Mn33(Si2O5)14(OH)38 Mon. m : B m
9.EE.10 Brokenhillite Mn8Si6O15(OH)10 Hex. 6_m_ m : P_63_m c
9.EE.10 Pyrosmalite-(Fe) Fe2+8Si6O15(OH,Cl)10 Trig. 3_m_ _(_32/m ) : _P_3_m_1
9.EE.10 Friedelite Mn2+8Si6O15(OH,Cl)10 Mon. 2/m : _B_2/m
9.EE.10 Pyrosmalite-(Mn) Mn2+8Si6O15(OH,Cl)10 Trig. 3_m_ _(_32/m ) : _P_3_m_1
9.EE.10 Mcgillite (Mn,Fe)8Si6O15(OH)8Cl2 Mon. 2/m : _B_2/m
9.EE.15 Nelenite (Mn,Fe)16(Si12O30)(OH)14[As3+3O6(OH)3] Trig. 3_m_ _(_32/m ) : R_3_m
9.EE.15 Schallerite Mn2+16As3Si12O36(OH)17 Trig. 3_m_ : _P_3_m_1
9.EE.20 Palygorskite ◻Al2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O Mon. 2/m : _B_2/m
9.EE.20 Tuperssuatsiaite Fe3+Fe3+2(Na◻)◻2Si8O20(OH)2(H2O)4 · 2H2O Mon. 2/m : _B_2/m
9.EE.20 Windhoekite Fe3+(Fe3+1.67◻0.33)Ca2◻2Si8O20(OH)2(H2O)4(OH)2 · 6H2O Mon. 2/m : _B_2/m
9.EE.20 Unnamed (Na-Ca-Fe-Silicate-Hydrate) NaCa(Fe2+,Al,Mn)5[Si8O19(OH)](OH)7 · 5H2O Tric. 1 : _P_1
9.EE.20 Windmountainite ◻Fe3+2Mg2◻2Si8O20(OH)2(H2O)4 · 4H2O Mon. 2/m : _B_2/m
9.EE.20 Ikorskyite KMn3+(Si4O10) · 3H2O Mon. 2/m : _P_21/b
9.EE.25 Falcondoite (Ni,Mg)4Si6O15(OH)2 · 6H2O Orth.
9.EE.25 Loughlinite Na2Mg3Si6O16 · 8H2O Orth. m m m _(_2/_m_2/_m_2/m )
9.EE.25 Sepiolite Mg4(Si6O15)(OH)2 · 6H2O Orth. m m m _(_2/_m_2/_m_2/m ) : P n n a
9.EE.25 Kalifersite (K,Na)5Fe3+7Si20O50(OH)6 · 12H2O Tric. 1 : _P_1
9.EE.30 Gyrolite NaCa16Si23AlO60(OH)8 · 14H2O Tric. 1 : _P_1
9.EE.30 Orlymanite Ca4Mn3Si8O20(OH)6 · 2H2O Hex.
9.EE.30 Tungusite Ca4Fe2Si6O15(OH)6 Tric. 1 : _P_1
9.EE.35 Reyerite (Na,K)2Ca14(Si,Al)24O58(OH)8 · 6H2O Trig. 3 : _P_3
9.EE.35 Truscottite (Ca,Mn)14Si24O58(OH)8 · 2H2O Trig.
9.EE.35 Kodamaite Na3(Ca5Na)Si16O36(OH)4F2 · (14-x)H2O Tric. 1 : _P_1
9.EE.40 Natrosilite Na2Si2O5 Mon. 2/m : _P_21/b
9.EE.45 Makatite Na2Si4O8(OH)2 · 4H2O Mon. 2/m : _P_21/b
9.EE.50 Varennesite Na8Mn2Si10O25(OH,Cl)2 · 12H2O Orth. m m m _(_2/_m_2/_m_2/m ) : C m c m
9.EE.55 Raite Mn2+Mn2+2Na2(◻1.75Ti0.25)Si8O20(OH)2(H2O)4 · Na(H2O)6 Orth. 222 : _C_222
9.EE.60 Intersilite Na6Mn2+Ti[Si10O24(OH)](OH)3 · 4H2O Mon.
9.EE.65 Shafranovskite Na3K2(Mn,Fe,Na)4[Si9(O,OH)27](OH)2 · nH2O Trig. 3_m_ : P_31_c
9.EE.65 Zakharovite Na4Mn5Si10O24(OH)6 · 6H2O Trig. 3_m_
9.EE.70 Zeophyllite Ca13Si10O28(OH)2F8 · 6H2O Trig. 3 : _R_3
9.EE.75 Minehillite (K,Na)2-3Ca28Zn4Al4Si40O112(OH)16 Hex.
9.EE.80 Fedorite (Na,K)2-3(Ca4Na3)Si16O38(OH,F)2 · 3.5H2O Tric. 1 : _P_1
9.EE.80 Martinite (Na,◻,Ca)12Ca4(Si,S,B)14B2O38(OH,Cl)2F2 · 4H2O Tric. 1 : _P_1
9.EE.80 Ellingsenite Na5Ca6Si18O38(OH)13 · 6H2O Tric. 1 : _P_1
9.EE.85 Lalondeite (Na,Ca)6(Ca,Na)3Si16O38(F,OH)2 · 3H2O Tric. 1 : _P_1

Other InformationHide

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Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

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References for YofortieriteHide

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Reference List:

Horváth, László, Gault, Robert A., Tarassoff, Peter, Pfenninger-Horváth, Elsa (1998) Mineralogy of the Saint-Amable Sill, Varennes and Saint-Amable, Quebec. The Mineralogical Record, 29 (2) 83-118

Localities for YofortieriteHide

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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

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- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. 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 Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH) (TL) Perrault et al. (1975) +3 other references
Lajemmerais RCM Varennes & St-Amable Saint-Amable sill Horváth et al. (1998)
Demix-Varennes quarry Horváth et al. (1998)
Greenland
Kujalleq Ilímaussaq complex Semenov (2001) +1 other reference
Kuannersuit Plateau (Kvanefjeld) Narsaq River pegmatite Pavel.M. Kartashov (n.d.)
Namibia
Khomas Region Windhoek Rural Aris Aris Quarries Yakovenchuk et al. (2011)
Russia
Murmansk Oblast Lovozersky District Karnasurt Mountain Arzamastsev et al. (2008)
Natrolite Stock Pavel.M. Kartashov (n.d.) +2 other references
Yubileinaya pegmatite Reiner Mielke 2016
Spain
Canary Islands Santa Cruz de Tenerife Province Tenerife Playa de Paraiaso Dill et al. (2023)
Playa de San Juan Dill et al. (2023)
USA
Arkansas Hot Spring County Magnet Cove Jones Mill Quarry (Martin Marietta Quarry; Highway 51 Quarry; Mid-State Quarry) Henry Barwood - unpublished (2010)
New Mexico Otero County Cornudas Mountains Wind Mountain ?