Lalondeite

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Lalondeite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Lalondeite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

Lalondeite

Poudrette quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

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About LalondeiteHide

Dr André Lalonde at Rochester

Formula:

(Na,Ca)₆(Ca,Na)₃Si₁₆O₃₈(F,OH)₂ · 3H₂O

Lustre:

Vitreous

Hardness:

Specific Gravity:

2.50

Crystal System:

Triclinic

Name:

Named by Andrew M. McDonald and George Y. Chao in honor of Dr André Edmond Lalonde (1955, Ottawa, Ontario, Canada - 21 December 2012) Professor of Mineralogy at the University of Ottawa, Canada. His interest lay in phyllosilicates. He was especially known for his teaching abilities.

Type Locality:

ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

This page provides mineralogical data about Lalondeite.

Classification of LalondeiteHide

IMA status:

Approved

Approval year:

2002

First published:

2009

Nickel-Strunz 10th (pending) ed.:

9.EE.85

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

Physical Properties of LalondeiteHide

Lustre:

Vitreous

Transparency:

Transparent

Streak:

White

Hardness:

3 on Mohs scale

Tenacity:

Brittle

Cleavage:

Perfect

Fracture:

Splintery

Density:

2.50 g/cm³ (Measured) 2.51 g/cm³ (Calculated)

Chemical Properties of LalondeiteHide

Formula:

(Na,Ca)₆(Ca,Na)₃Si₁₆O₃₈(F,OH)₂ · 3H₂O

Elements listed:

Ca, F, H, Na, O, Si - search for minerals with similar chemistry

Crystallography of LalondeiteHide

Crystal System:

Triclinic

Class (H-M):

1 - Pinacoidal

Space Group:

Setting:

Cell Parameters:

a = 9.589 Å, b = 9.613 Å, c = 12.115 Å
α = 96.62°, β = 92.95°, γ = 119.81°

Ratio:

a:b:c = 0.998 : 1 : 1.26

Unit Cell V:

954.82 Å³ (Calculated from Unit Cell)

Crystal StructureHide

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0006279	Lalondeite	McDonald A M, Chao G Y (2009) Lalondeite, a new hydrated Na-Ca fluorosilicate species from Mont Saint-Hilaire, Quebec: Description and crystal structure The Canadian Mineralogist 47 181-191		2009	Poudrette quarry, Mont Saint-Hilaire, Quesbec, Canada	0	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Lalondeite'
loop_
_publ_author_name
'McDonald A M'
'Chao G Y'
_journal_name_full 'The Canadian Mineralogist'
_journal_volume 47 
_journal_year 2009
_journal_page_first 181
_journal_page_last 191
_publ_section_title
;
 Lalondeite, a new hydrated Na-Ca fluorosilicate species from Mont Saint-Hilaire,
 Quebec: Description and crystal structure
;
_database_code_amcsd 0006279
_chemical_compound_source 'Poudrette quarry, Mont Saint-Hilaire, Quesbec, Canada'
_chemical_formula_sum 'Na4.6 Ca4.04 Si16 O41 F2 H6'
_cell_length_a 9.589
_cell_length_b 9.613
_cell_length_c 12.115
_cell_angle_alpha 96.62
_cell_angle_beta 92.95
_cell_angle_gamma 119.81
_cell_volume 954.823
_exptl_crystal_density_diffrn      2.464
_symmetry_space_group_name_H-M 'P -1'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '-x,-y,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Na1   0.13770   0.92940   0.99900   0.82000   0.02900
Na2a   0.04100   0.05200   0.71400   0.50000   0.03700
Na2b   0.97900   0.97600   0.36100   0.50000   0.06000
Ca1   0.00000   0.50000   0.00000   1.00000   0.00800
Ca2   0.42580   0.78780   0.99520   1.00000   0.00960
Ca3   0.29440   0.36480   0.01290   0.52000   0.01800
Na3   0.29440   0.36480   0.01290   0.48000   0.01800
Si1   0.19090   0.80380   0.22440   1.00000   0.00600
Si2   0.18020   0.43800   0.77370   1.00000   0.00800
Si3   0.30500   0.63060   0.36320   1.00000   0.00800
Si4   0.30130   0.93890   0.77120   1.00000   0.00600
Si5   0.07290   0.30700   0.22560   1.00000   0.00700
Si6   0.36280   0.69880   0.63050   1.00000   0.00700
Si7   0.42360   0.30670   0.77530   1.00000   0.00800
Si8   0.31950   0.17920   0.22840   1.00000   0.00900
O1   0.07960   0.34820   0.10350   1.00000   0.01800
O2   0.50040   0.36510   0.90070   1.00000   0.02500
O3   0.99220   0.29450   0.74260   1.00000   0.02200
O4   0.33500   0.66300   0.49600   1.00000   0.01600
O5   0.22020   0.52950   0.89900   1.00000   0.01300
O6   0.37860   0.95820   0.89440   1.00000   0.01200
O7   0.18110   0.22530   0.25510   1.00000   0.01400
O8   0.20700   0.74910   0.10100   1.00000   0.01900
O9   0.36650   0.20200   0.10750   1.00000   0.02200
O10   0.30100   0.78190   0.32070   1.00000   0.01200
O11   0.33320   0.10990   0.73630   1.00000   0.01500
O12   0.13560   0.46470   0.32300   1.00000   0.00900
O13   0.36850   0.86700   0.67400   1.00000   0.01500
O14   0.21480   0.55250   0.67740   1.00000   0.01000
O15   0.89520   0.17360   0.24980   1.00000   0.02100
O16   0.45030   0.61500   0.31660   1.00000   0.01300
O17   0.53270   0.71320   0.67080   1.00000   0.01600
O18   0.23670   0.99260   0.25190   1.00000   0.01900
O19   0.28000   0.34430   0.74880   1.00000   0.02200
F   0.09000   0.11200   0.91200   1.00000   0.04200
Wat20   0.36500   0.02200   0.49000   0.50000   0.06700
Wat21   0.99000   0.32500   0.50400   0.50000   0.09700
Wat22   0.69200   0.65900   0.49700   0.50000   0.09900
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Na1 0.02400 0.02200 0.04100 0.00900 0.00400 0.01400
Na2a 0.01400 0.01800 0.09000 0.01100 0.02100 0.03000
Na2b 0.07000 0.08000 0.00000 0.03000 -0.01000 -0.04000
Ca1 0.00700 0.01100 0.00600 0.00300 0.00200 0.00000
Ca2 0.07400 0.00850 0.01100 0.02800 -0.00100 0.00200
Ca3 0.01400 0.02300 0.02200 0.01100 0.00400 0.01100
Na3 0.01400 0.02300 0.02200 0.01100 0.00400 0.01100
Si1 0.00200 0.00700 0.00600 0.00100 0.00000 0.00100
Si2 0.00400 0.01000 0.01200 0.00400 0.00300 0.00500
Si3 0.00500 0.01000 0.01000 0.00300 0.00100 0.00500
Si4 0.00600 0.00600 0.00700 0.00300 0.00100 0.00100
Si5 0.00500 0.00800 0.00800 0.00300 0.00100 0.00100
Si6 0.00500 0.00900 0.00600 0.00200 0.00000 0.00200
Si7 0.00700 0.00900 0.00800 0.00500 0.00200 0.00300
Si8 0.00600 0.00800 0.01200 0.00300 0.00000 0.00300
O1 0.01600 0.02600 0.02000 0.01400 0.00700 0.01100
O2 0.02600 0.02600 0.03000 0.01700 0.00300 0.01400
O3 0.00200 0.01900 0.04000 0.00000 0.00000 0.01200
O4 0.02000 0.02100 0.00000 0.00900 0.00500 -0.02000
O5 0.01100 0.01400 0.00000 0.00200 -0.00800 -0.01200
O6 0.01900 0.01000 0.00400 0.00700 -0.00400 -0.00400
O7 0.00600 0.01600 0.02000 0.00700 0.00000 0.00500
O8 0.02000 0.01700 0.02000 0.00900 0.01600 0.00300
O9 0.01800 0.02900 0.02000 0.01500 0.00900 0.01600
O10 0.00700 0.00900 0.02000 0.00300 -0.00100 0.00400
O11 0.02100 0.01300 0.02000 0.01200 0.00700 0.00500
O12 0.00600 0.00400 0.01000 -0.00100 -0.00400 -0.01200
O13 0.01600 0.00800 0.02000 0.00500 0.00600 -0.00200
O14 0.01000 0.01300 0.00500 0.00400 0.00400 0.00400
O15 0.00800 0.02100 0.04000 0.00700 0.00800 0.01200
O16 0.01100 0.01100 0.01700 0.00600 0.00600 0.00500
O17 0.00700 0.01000 0.02000 0.00100 -0.01200 -0.00800
O18 0.02200 0.01000 0.02000 0.00600 -0.00800 0.00100
O19 0.01300 0.02000 0.03000 0.01100 -0.00100 0.01000
F 0.02600 0.04800 0.04000 0.00900 0.00200 0.01000

Type Occurrence of LalondeiteHide

Type Locality:

ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada

General Appearance of Type Material:

Elongated aggregates of densely packed, randomly oriented crystals

Place of Conservation of Type Material:

Canadian Museum of Nature, Aylmer, Quebec, Canada (catalogue no. CMNMC 83720)

Synonyms of LalondeiteHide

IMA2002-026

Unnamed (MSH UK-57)

Related Minerals - Nickel-Strunz Grouping Hide

9.EE.	Cairncrossite	Sr₂Ca_7-xNa_2x(Si₄O₁₀)₄(OH)₂(H₂O)_15-x	Tric. 1 : P1
9.EE.05	Bementite	Mn₇Si₆O₁₅(OH)₈	Mon.
9.EE.10	Brokenhillite	Mn₈Si₆O₁₅(OH)₁₀	Hex. 6mm : P6₃mc
9.EE.10	Pyrosmalite-(Fe)	Fe²⁺₈Si₆O₁₅(OH,Cl)₁₀	Trig. 3m (3 2/m) : P3m1
9.EE.10	Friedelite	Mn²⁺₈Si₆O₁₅(OH,Cl)₁₀	Mon. 2/m : B2/m
9.EE.10	Pyrosmalite-(Mn)	Mn²⁺₈Si₆O₁₅(OH,Cl)₁₀	Trig.
9.EE.10	Mcgillite	(Mn,Fe)₈Si₆O₁₅(OH)₈Cl₂	Mon. 2/m : B2/m
9.EE.15	Nelenite	(Mn,Fe)₁₆(Si₁₂O₃₀)(OH)₁₄[As³⁺₃O₆(OH)₃]	Mon.
9.EE.15	Schallerite	Mn²⁺₁₆As₃Si₁₂O₃₆(OH)₁₇	Trig. 3m : P3m1
9.EE.20	Palygorskite	(Mg,Al)₂Si₄O₁₀(OH) · 4H₂O	Mon. 2/m : B2/m
9.EE.20	Tuperssuatsiaite	Na₂(Fe³⁺,Mn²⁺)₃Si₈O₂₀(OH)₂ · 4H₂O	Mon. 2/m : B2/m
9.EE.20	Yofortierite	Mn₅Si₈O₂₀(OH)₂ · 8-9H₂O	Mon. 2/m : B2/m
9.EE.20	Windhoekite	Ca₂Fe³⁺_2.67[Si₈O₂₀](OH)₄ · 10H₂O	Mon. 2/m : B2/m
9.EE.25	Falcondoite	(Ni,Mg)₄Si₆O₁₅(OH)₂ · 6H₂O	Orth.
9.EE.25	Loughlinite	Na₂Mg₃Si₆O₁₆ · 8H₂O	Orth.
9.EE.25	Sepiolite	Mg₄(Si₆O₁₅)(OH)₂ · 6H₂O	Orth. mmm (2/m 2/m 2/m) : Pnna
9.EE.25	Kalifersite	(K,Na)₅Fe³⁺₇Si₂₀O₅₀(OH)₆ · 12H₂O	Tric.
9.EE.30	Gyrolite	NaCa₁₆Si₂₃AlO₆₀(OH)₈ · 14H₂O	Tric. 1 : P1
9.EE.30	Orlymanite	Ca₄Mn₃Si₈O₂₀(OH)₆ · 2H₂O	Hex.
9.EE.30	Tungusite	Ca₄Fe₂Si₆O₁₅(OH)₆	Tric. 1 : P1
9.EE.35	Reyerite	(Na,K)₂Ca₁₄(Si,Al)₂₄O₅₈(OH)₈ · 6H₂O	Trig.
9.EE.35	Truscottite	(Ca,Mn)₁₄Si₂₄O₅₈(OH)₈ · 2H₂O	Trig.
9.EE.40	Natrosilite	Na₂Si₂O₅	Mon.
9.EE.45	Makatite	Na₂Si₄O₈(OH)₂ · 4H₂O	Mon. 2/m : P2₁/b
9.EE.50	Varennesite	Na₈Mn₂Si₁₀O₂₅(OH,Cl)₂ · 12H₂O	Orth.
9.EE.55	Raite	Na₄Mn²⁺₃Ti_0.25Si₈O₂₀(OH)₂ · 10H₂O	Orth. 2 2 2 : C2 2 2
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.
9.EE.65	Zakharovite	Na₄Mn₅Si₁₀O₂₄(OH)₆ · 6H₂O	Trig.
9.EE.70	Zeophyllite	Ca₁₃Si₁₀O₂₈(OH)₂F₈ · 6H₂O	Trig. 3 : R3
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 : P1
9.EE.80	Martinite	(Na,◻,Ca)₁₂Ca₄(Si,S,B)₁₄B₂O₃₈(OH,Cl)₂F₂ · 4H₂O	Tric. 1 : P1

Fluorescence of LalondeiteHide

In UV light:

Long wave UV - None
Medium Wave UV - Medium to strong violet-blue
Short Wave UV - Weak violet to violet-blue

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 LalondeiteHide

Reference List:

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)

Grice, J.D., Ferraris, G. (2003) New minerals approved in 2002 and nomenclature modifications approved 1998-2002 by the commission on new minerals and mineral names, International Mineralogical Association. American Mineralogist: 88: 1620-1624.

Grice, J.D., Ferraris, G. (2003) New minerals approved in 2002 and nomenclature modifications approved in 1998-2002 by the Commission on the New Minerals and Mineral Names, International Mineralogical Association. The Canadian Mineralogist: 41: 795-802.

McDonald, A.M. and Chao, G.Y. (2009) Lalondeite, a new hydrated Na-Ca fluorosilicate species from Mont Saint-Hilaire, Quebec: Description and crystal structure. Canadian Mineralogist: 47: 181-191.

Piilonen, P.C., Poirier, G., Tait, K.T. (2009) New mineral names. American Mineralogist: 94: 1495-1501.

Internet Links for LalondeiteHide

mindat.org URL:

https://www.mindat.org/min-27638.html
Please feel free to link to this page.

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External Links:

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Look for Lalondeite on Wikipedia

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Raman and XRD data at RRUFF project

References and PDF downloads at RRUFF project

American Mineralogist Crystal Structure Database

Handbook of Mineralogy page PDF

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Localities for LalondeiteHide

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

ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH) (TL)

McDONALD, A.M., and CHAO, G.Y. (2009) Lalondeite, a new hydrated Na-Ca fluorosilicate species from Mont Saint-Hilaire Quebec: description and crystal structure. Canadian Mineralogist, 47, 181-192.

Quick NavTop About Lalondeite Classification Physical Properties Chemical Properties Crystallography Crystal Structure Type Occurrence Synonyms Nickel-Strunz Fluorescence Other Information References Internet Links Localities Locality List

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Lalondeite

About LalondeiteHide

Classification of LalondeiteHide

Physical Properties of LalondeiteHide

Chemical Properties of LalondeiteHide

Crystallography of LalondeiteHide

Crystal StructureHide

Type Occurrence of LalondeiteHide

Synonyms of LalondeiteHide

Related Minerals - Nickel-Strunz GroupingHide

Fluorescence of LalondeiteHide

Other InformationHide

References for LalondeiteHide

Internet Links for LalondeiteHide

Localities for LalondeiteHide

Locality ListHide

Related Minerals - Nickel-Strunz Grouping Hide