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Desmont Mine (Homer Yellowknife prospect), Monmouth Township, Highlands East Township, Haliburton County, Ontario, Canadai
Regional Level Types
Desmont Mine (Homer Yellowknife prospect)Mine
Monmouth TownshipTownship (Former)
Highlands East TownshipTownship
Haliburton CountyCounty
OntarioProvince
CanadaCountry

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Latitude & Longitude (WGS84):
45° 2' 32'' North , 78° 14' 23'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Haliburton Village1,149 (2019)22.2km
Bancroft3,838 (2008)30.1km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Bancroft Gem and Mineral Club and MuseumBancroft, Ontario30km
Mindat Locality ID:
7786
Long-form identifier:
mindat:1:2:7786:9
GUID (UUID V4):
0


In calcite, granite pegmatite, and crystalline limestone.

The deposit was explored for uranium mineralization in 1954 and 1955 by Desmont Mining Corporation, Limited.

The deposit is exposed by pits, strippings, & trenches extending over a distance of 1150 meters.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


27 valid minerals.

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ 'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Habit: prismatic
Colour: colorless to light green
Description: Clinoamphibole subgroup.
ⓘ 'Ancylite'
Colour: light yellow
Description: Associated with stillwellite and hydroxylbastnaesite.
ⓘ Ancylite-(Ce)
Formula: CeSr(CO3)2(OH) · H2O
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Colour: light green
ⓘ 'Bastnäsite'
Formula: (Ce/Nd/Y/REE)(CO3)F
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Calcite
Formula: CaCO3
ⓘ Chondrodite
Formula: Mg5(SiO4)2F2
ⓘ 'Clinopyroxene Subgroup'
Habit: euhedral xls
Colour: emerald green
References:
ⓘ Diopside
Formula: CaMgSi2O6
ⓘ 'Diopside-Hedenbergite Series'
References:
ⓘ Dravite
Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Edenite
Formula: NaCa2Mg5(Si7Al)O22(OH)2
Colour: dark green
Fluorescence: none
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
Habit: sugary
Colour: orange
ⓘ Goethite
Formula: Fe3+O(OH)
ⓘ Graphite
Formula: C
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Hydroxylbastnäsite-(Ce)
Formula: Ce(CO3)(OH)
ⓘ 'K Feldspar'
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Marcasite
Formula: FeS2
ⓘ Microcline
Formula: K(AlSi3O8)
References:
ⓘ Molybdenite
Formula: MoS2
ⓘ 'Monazite Group'
Formula: REE(PO4)
Colour: yellow to orange
Description: Associated with stillwellite and hydroxylbastnaesite.
ⓘ Native Sulphur
Formula: S8
Habit: admixed with pyrite
Colour: black
ⓘ Perrierite-(Ce)
Formula: Ce4MgFe3+2Ti2O8(Si2O7)2
Habit: plates and irregular masses up to 2 mm
Colour: reddish brown to dark brown
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
References:
ⓘ Pyrite
Formula: FeS2
Habit: variety of forms up to 5 mm
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Smoky Quartz
Formula: SiO2
ⓘ 'Scapolite'
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
Colour: dark green
ⓘ Sphalerite
Formula: ZnS
ⓘ Stillwellite-(Ce)
Formula: (Ce,La,Ca)BSiO5
Habit: hexagonal tabular crystals (up to 4-5 mm) and lenticular or irregular masses
Colour: maroon-red, brownish red to brown, pink or grey; smooth to porcelain-like texture. Generally opaque with waxy to resinous lustre but also may almost be transparent and resemble titanite
Description: Generally as partial crusts on smoky quartz and clinopyroxene
ⓘ Thorianite
Formula: ThO2
Colour: black
ⓘ Thorite
Formula: Th(SiO4)
Colour: amber to dark green and black
ⓘ Thorite var. Uranothorite
Formula: (Th,U)SiO4
Colour: amber to dark green and black
ⓘ Titanite
Formula: CaTi(SiO4)O
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Colour: black
ⓘ Uraninite
Formula: UO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGraphite1.CB.05aC
ⓘNative Sulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
ⓘMarcasite2.EB.10aFeS2
Group 4 - Oxides and Hydroxides
ⓘGoethite4.00.Fe3+O(OH)
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
ⓘvar. Smoky Quartz4.DA.05SiO2
ⓘThorianite4.DL.05ThO2
ⓘUraninite4.DL.05UO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘHydroxylbastnäsite-(Ce)5.BD.20aCe(CO3)(OH)
ⓘAncylite-(Ce)5.DC.05CeSr(CO3)2(OH) · H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘGypsum7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
ⓘThorite9.AD.30Th(SiO4)
ⓘvar. Uranothorite9.AD.30(Th,U)SiO4
ⓘChondrodite9.AF.45Mg5(SiO4)2F2
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘStillwellite-(Ce)9.AJ.25(Ce,La,Ca)BSiO5
ⓘPerrierite-(Ce)9.BE.70Ce4MgFe3+2Ti2O8(Si2O7)2
ⓘDravite9.CK.05NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘDiopside9.DA.15CaMgSi2O6
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘEdenite9.DE.15NaCa2Mg5(Si7Al)O22(OH)2
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Bastnäsite'-(Ce/Nd/Y/REE)(CO3)F
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Clinopyroxene Subgroup'-
ⓘ'Scapolite'-
ⓘ'Diopside-Hedenbergite Series'-
ⓘ'Ancylite'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)
ⓘ'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ Ancylite-(Ce)CeSr(CO3)2(OH) · H2O
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Hⓘ GoethiteFe3+O(OH)
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ Hydroxylbastnäsite-(Ce)Ce(CO3)(OH)
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Hⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
BBoron
Bⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ Stillwellite-(Ce)(Ce,La,Ca)BSiO5
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cⓘ Ancylite-(Ce)CeSr(CO3)2(OH) · H2O
Cⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Cⓘ CalciteCaCO3
Cⓘ GraphiteC
Cⓘ Hydroxylbastnäsite-(Ce)Ce(CO3)(OH)
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ Ancylite-(Ce)CeSr(CO3)2(OH) · H2O
Oⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ CalciteCaCO3
Oⓘ ChondroditeMg5(SiO4)2F2
Oⓘ DiopsideCaMgSi2O6
Oⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Oⓘ GoethiteFe3+O(OH)
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ Hydroxylbastnäsite-(Ce)Ce(CO3)(OH)
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MicroclineK(AlSi3O8)
Oⓘ Monazite GroupREE(PO4)
Oⓘ Perrierite-(Ce)Ce4MgFe23+Ti2O8(Si2O7)2
Oⓘ QuartzSiO2
Oⓘ Quartz var. Smoky QuartzSiO2
Oⓘ Stillwellite-(Ce)(Ce,La,Ca)BSiO5
Oⓘ ThorianiteThO2
Oⓘ ThoriteTh(SiO4)
Oⓘ TitaniteCaTi(SiO4)O
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ UraniniteUO2
Oⓘ Thorite var. Uranothorite(Th,U)SiO4
Oⓘ Diopside-Hedenbergite Series
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Oⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ ChondroditeMg5(SiO4)2F2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mgⓘ ChondroditeMg5(SiO4)2F2
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Mgⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Mgⓘ Perrierite-(Ce)Ce4MgFe23+Ti2O8(Si2O7)2
Mgⓘ Diopside-Hedenbergite Series
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Alⓘ MicroclineK(AlSi3O8)
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ ChondroditeMg5(SiO4)2F2
Siⓘ DiopsideCaMgSi2O6
Siⓘ DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Siⓘ MicroclineK(AlSi3O8)
Siⓘ Perrierite-(Ce)Ce4MgFe23+Ti2O8(Si2O7)2
Siⓘ QuartzSiO2
Siⓘ Quartz var. Smoky QuartzSiO2
Siⓘ Stillwellite-(Ce)(Ce,La,Ca)BSiO5
Siⓘ ThoriteTh(SiO4)
Siⓘ TitaniteCaTi(SiO4)O
Siⓘ Thorite var. Uranothorite(Th,U)SiO4
Siⓘ Diopside-Hedenbergite Series
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
Siⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
Pⓘ Monazite GroupREE(PO4)
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ MarcasiteFeS2
Sⓘ MolybdeniteMoS2
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
Sⓘ Native SulphurS8
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MicroclineK(AlSi3O8)
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ CalciteCaCO3
Caⓘ DiopsideCaMgSi2O6
Caⓘ EdeniteNaCa2Mg5(Si7Al)O22(OH)2
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ Stillwellite-(Ce)(Ce,La,Ca)BSiO5
Caⓘ TitaniteCaTi(SiO4)O
Caⓘ Diopside-Hedenbergite Series
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiⓘ Perrierite-(Ce)Ce4MgFe23+Ti2O8(Si2O7)2
Tiⓘ TitaniteCaTi(SiO4)O
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feⓘ GoethiteFe3+O(OH)
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ MarcasiteFeS2
Feⓘ Perrierite-(Ce)Ce4MgFe23+Ti2O8(Si2O7)2
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ Diopside-Hedenbergite Series
ZnZinc
Znⓘ SphaleriteZnS
SrStrontium
Srⓘ Ancylite-(Ce)CeSr(CO3)2(OH) · H2O
YYttrium
Yⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
MoMolybdenum
Moⓘ MolybdeniteMoS2
LaLanthanum
Laⓘ Stillwellite-(Ce)(Ce,La,Ca)BSiO5
CeCerium
Ceⓘ Ancylite-(Ce)CeSr(CO3)2(OH) · H2O
Ceⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
Ceⓘ Hydroxylbastnäsite-(Ce)Ce(CO3)(OH)
Ceⓘ Perrierite-(Ce)Ce4MgFe23+Ti2O8(Si2O7)2
Ceⓘ Stillwellite-(Ce)(Ce,La,Ca)BSiO5
NdNeodymium
Ndⓘ Bastnäsite(Ce/Nd/Y/REE)(CO3)F
ThThorium
Thⓘ ThorianiteThO2
Thⓘ ThoriteTh(SiO4)
Thⓘ Thorite var. Uranothorite(Th,U)SiO4
UUranium
Uⓘ UraniniteUO2
Uⓘ Thorite var. Uranothorite(Th,U)SiO4

Other Regions, Features and Areas containing this locality

Canada
North AmericaContinent
North America PlateTectonic Plate

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