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High Grade Dyke pegmatite (High-Grade Dike pegmatite), Donner Lake, Cat Lake - Winnipeg River pegmatite field, Lac-du-Bonnet area, Manitoba, Canadai
Regional Level Types
High Grade Dyke pegmatite (High-Grade Dike pegmatite)Pegmatite
Donner LakeLake
Cat Lake - Winnipeg River pegmatite fieldPegmatite Field
Lac-du-Bonnet areaArea

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Lock Map
Latitude & Longitude (WGS84): 50° 37' 7'' North , 95° 35' 33'' West
Latitude & Longitude (decimal): 50.61887,-95.59271
GeoHash:G#: cbupbwzs2
Locality type:Pegmatite
Köppen climate type:Dfb : Warm-summer humid continental climate

Li/Rb/Cs-enriched pegmatite.

Regions containing this locality

North America PlatePlate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

7 valid minerals.

Rock Types Recorded

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Formula: Na(AlSi3O8)
Albite var: Cleavelandite
Formula: Na(AlSi3O8)
'Analcime-Pollucite Series'
Formula: Be3Al2(Si6O18)
Beryl var: Aquamarine
Formula: Be3Al2Si6O18
'Columbite-(Fe)-Columbite-(Mn) Series'
'K Feldspar'
'K Feldspar var: Adularia'
Formula: KAlSi3O8
Formula: Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
'Mica Group'
'Microlite Group'
Formula: A2-mTa2X6-wZ-n
Formula: (Cs,Na)2(Al2Si4O12) · 2H2O
Formula: SiO2
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Formula: Rb(AlSi3O8)
Formula: Mn2+3Al2(SiO4)3
Formula: LiAlSi2O6
Formula: (Mn,Fe)(Ta,Nb)2O6
Formula: A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Microlite Group'4.00.A2-mTa2X6-wZ-n
Group 9 - Silicates
var: Cleavelandite9.FA.35Na(AlSi3O8)
var: Aquamarine9.CJ.05Be3Al2Si6O18
Pollucite9.GB.05(Cs,Na)2(Al2Si4O12) · 2H2O
Unclassified Minerals, Rocks, etc.
'Analcime-Pollucite Series'-
'Columbite-(Fe)-Columbite-(Mn) Series'-
'K Feldspar'-
'var: Adularia'-KAlSi3O8
'Mica Group'-

List of minerals arranged by Dana 8th Edition classification

'Microlite Group'
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Six-Membered Rings with borate groups
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Pollucite77.1.1.2(Cs,Na)2(Al2Si4O12) · 2H2O
Unclassified Minerals, Mixtures, etc.
var: Cleavelandite
'Analcime-Pollucite Series'-
var: Aquamarine
'Columbite-(Fe)-Columbite-(Mn) Series'-
'K Feldspar'-
'var: Adularia'-KAlSi3O8
'Mica Group'-

List of minerals for each chemical element

H Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
H LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Li SpodumeneLiAlSi2O6
Li LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Be Beryl (var: Aquamarine)Be3Al2Si6O18
Be BerylBe3Al2(Si6O18)
B LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
B RubelliteA(D3)G6(T6O18)(BO3)3X3Z
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
O K Feldspar (var: Adularia)KAlSi3O8
O SpodumeneLiAlSi2O6
O LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
O SpessartineMn32+Al2(SiO4)3
O RubiclineRb(AlSi3O8)
O AlbiteNa(AlSi3O8)
O Beryl (var: Aquamarine)Be3Al2Si6O18
O BerylBe3Al2(Si6O18)
O Albite (var: Cleavelandite)Na(AlSi3O8)
O QuartzSiO2
O RubelliteA(D3)G6(T6O18)(BO3)3X3Z
O Tantalite(Mn,Fe)(Ta,Nb)2O6
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
Na Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Na AlbiteNa(AlSi3O8)
Na Albite (var: Cleavelandite)Na(AlSi3O8)
Al Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Al K Feldspar (var: Adularia)KAlSi3O8
Al SpodumeneLiAlSi2O6
Al LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Al SpessartineMn32+Al2(SiO4)3
Al RubiclineRb(AlSi3O8)
Al AlbiteNa(AlSi3O8)
Al Beryl (var: Aquamarine)Be3Al2Si6O18
Al BerylBe3Al2(Si6O18)
Al Albite (var: Cleavelandite)Na(AlSi3O8)
Si Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Si K Feldspar (var: Adularia)KAlSi3O8
Si SpodumeneLiAlSi2O6
Si LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Si SpessartineMn32+Al2(SiO4)3
Si RubiclineRb(AlSi3O8)
Si AlbiteNa(AlSi3O8)
Si Beryl (var: Aquamarine)Be3Al2Si6O18
Si BerylBe3Al2(Si6O18)
Si Albite (var: Cleavelandite)Na(AlSi3O8)
Si QuartzSiO2
K K Feldspar (var: Adularia)KAlSi3O8
Ca LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Mn SpessartineMn32+Al2(SiO4)3
Mn Tantalite(Mn,Fe)(Ta,Nb)2O6
Fe Tantalite(Mn,Fe)(Ta,Nb)2O6
Rb RubiclineRb(AlSi3O8)
Nb Tantalite(Mn,Fe)(Ta,Nb)2O6
Cs Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Ta Microlite GroupA2-mTa2X6-wZ-n
Ta Tantalite(Mn,Fe)(Ta,Nb)2O6

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

2500 - 4000 Ma

ID: 1298138
Early Metavolcanic and Metasedimentary Rocks (Rice Lake Group, Hayes River Group)

Age: Archean (2500 - 4000 Ma)

Stratigraphic Name: Rice Lake Group; Hayes River Group

Description: Basalt, minor andesite, minor sedimentary and mafic intrusive rocks; ultramafic rocks (serpentinite, serpentinized peridotite, pyroxenite) and differentiated ultramafic/mafic intrusions

Comments: Superior Province and Churchill/Superior Boundary Zone

Lithology: Mafic volcanics

Reference: Manitoba Mineral Resources. Bedrock geology, Manitoba; in Map Gallery – Geoscientific Maps, Manitoba Mineral Resources (July 2015). [10]

2500 - 2800 Ma

ID: 3192850
Archean intrusive rocks

Age: Neoarchean (2500 - 2800 Ma)

Lithology: Intrusive igneous rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Tschernich, R. (1992): Zeolites of the World, p. 428
Teertstra, D.K., Černý, P., and Chapman, R. (1992) Compositional heterogeneity ad alteration of pollucite from High Grade Dyke, southeastern Manitoba. Canadian Mineralogist: 30, 687-697.
Teertstra, D. K.; Černý, P. & Hawthorn, F.C. (1998) Rubidium feldspars in granitic pegmatites. Canadian Mineralogist 36, 483-496.
Teertstra, D. K.; Černý, P.; Ottolini, L. (1999): Stranger in paradise. Liddicoatite from the High-Grade Dike pegmatite, southeastern Manitoba, Canada. European Journal of Mineralogy 11, 227-235.
Bannatyne, B. B. (1985). Industrial minerals in rare-element pegmatites of Manitoba (Vol. 84, No. 1). Manitoba Energy and Mines, Geological Services.

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