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Peekskill, Westchester County, New York, USAi
Regional Level Types
Peekskill- not defined -
Westchester CountyCounty
New YorkState
USACountry

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PhotosMapsSearchMineralogy
08323020017272014484819.jpg
Slope

Todd Mine, Peekskill, Westchester County, New York, USA
04535690017272014504004.jpg
Mohegan Quarry (1906 or earlier)

Mohegan Quarries, Peekskill, Westchester County, New York, USA
02380820017272014528067.jpg
Graphite

Croft Mine, Peekskill, Westchester County, New York, USA
08323020017272014484819.jpg
Slope

Todd Mine, Peekskill, Westchester County, New York, USA
04535690017272014504004.jpg
Mohegan Quarry (1906 or earlier)

Mohegan Quarries, Peekskill, Westchester County, New York, USA
02380820017272014528067.jpg
Graphite

Croft Mine, Peekskill, Westchester County, New York, USA
04969410017272014647639.jpg
Slope

Todd Mine, Peekskill, Westchester County, New York, USA
04535690017272014504004.jpg
Mohegan Quarry (1906 or earlier)

Mohegan Quarries, Peekskill, Westchester County, New York, USA
Latitude & Longitude (WGS84):
41° 17' 24'' North , 73° 55' 15'' West
Latitude & Longitude (decimal):
41.29000,-73.92083
GRN:
N28W40
Köppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Peekskill24,043 (2017)0.0km
Buchanan2,268 (2017)3.4km
Montrose2,731 (2017)4.3km
Crompond2,292 (2017)4.7km
Verplanck1,729 (2017)5.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Danbury Mineralogical SocietyDanbury, Connecticut41km
Stamford Mineralogical SocietyStamford, Connecticut41km
Orange County Mineral SocietyMiddletown, New York45km
Mid-Hudson Valley Gem and Mineral Society Inc.Poughkeepsie, New York46km
North Jersey Mineralogical Society, Inc.Paterson, New Jersey47km
Mindat Locality ID:
4016
Long-form identifier:
mindat:1:2:4016:0
GUID (UUID V4):
0


Note: Peekskill used to be part of Cortlandt Township, and this has caused some labelling confusion. Many localities are labelled "Peekskill" because that is the closest urban center, but are technically now in Cortlandt or even in neighboring Putnam county.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

22 valid minerals.

Rock Types Recorded


Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ 'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ⓘ 'Almandine-Pyrope Series'
ⓘ 'Amphibole Supergroup'
Formula: AB2C5(T8O22)W2
ⓘ Anhydrite
Formula: CaSO4
ⓘ 'Apatite'
Formula: Ca5(PO4)3A
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘ Calcite
Formula: CaCO3
ⓘ Corundum
Formula: Al2O3
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Graphite
Formula: C
ⓘ 'Hypersthene'
Formula: (Mg,Fe)SiO3
ⓘ Kyanite
Formula: Al2(SiO4)O
ⓘ 'Limonite'
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Molybdenite
Formula: MoS2
ⓘ Native Gold ?
Formula: Au
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Opal var. Opal-AN
Formula: SiO2 · nH2O
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Sillimanite
Formula: Al2(SiO4)O
ⓘ Spinel
Formula: MgAl2O4
ⓘ Staurolite
Formula: Fe2+2Al9Si4O23(OH)
ⓘ 'Stilbite Subgroup'
Formula: M6-7[Al8-9Si27-28O72] · nH2O
ⓘ Sudoite
Formula: Mg2Al3(AlSi3O10)(OH)8
Habit: scaly, mammilary masses
Colour: silvery
ⓘ Thomsonite-Ca
Formula: NaCa2[Al5Si5O20] · 6H2O
ⓘ Titanite
Formula: CaTiO(SiO4)
ⓘ 'Tourmaline'
Formula: AD3G6(T6O18)(BO3)3X3Z

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Gold ?1.AA.05Au
ⓘGraphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘSpinel4.BB.05MgAl2O4
ⓘCorundum4.CB.05Al2O3
ⓘQuartz4.DA.05SiO2
ⓘOpal
var. Opal-AN		4.DA.10SiO2 · nH2O
ⓘ4.DA.10SiO2 · nH2O
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘAnhydrite7.AD.30CaSO4
Group 9 - Silicates
ⓘSillimanite9.AF.05Al2(SiO4)O
ⓘKyanite9.AF.15Al2(SiO4)O
ⓘStaurolite9.AF.30Fe2+2Al9Si4O23(OH)
ⓘTitanite9.AG.15CaTiO(SiO4)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘSudoite9.EC.55Mg2Al3(AlSi3O10)(OH)8
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘThomsonite-Ca9.GA.10NaCa2[Al5Si5O20] · 6H2O
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5(T8O22)W2
ⓘ'Hypersthene'-(Mg,Fe)SiO3
ⓘ'Limonite'-
ⓘ'Stilbite Subgroup'-M6-7[Al8-9Si27-28O72] · nH2O
ⓘ'Tourmaline'-AD3G6(T6O18)(BO3)3X3Z
ⓘ'Almandine-Pyrope Series'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Apatite'-Ca5(PO4)3A
ⓘ'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ⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ Opal var. Opal-ANSiO2 · nH2O
Hⓘ OpalSiO2 · nH2O
Hⓘ StauroliteFe22+Al9Si4O23(OH)
Hⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Hⓘ SudoiteMg2Al3(AlSi3O10)(OH)8
Hⓘ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Hⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
BBoron
Bⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
CCarbon
Cⓘ CalciteCaCO3
Cⓘ GraphiteC
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ Amphibole SupergroupAB2C5(T8O22)W2
Oⓘ AnhydriteCaSO4
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ CalciteCaCO3
Oⓘ CorundumAl2O3
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ Opal var. Opal-ANSiO2 · nH2O
Oⓘ Hypersthene(Mg,Fe)SiO3
Oⓘ KyaniteAl2(SiO4)O
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MicroclineK(AlSi3O8)
Oⓘ OpalSiO2 · nH2O
Oⓘ QuartzSiO2
Oⓘ SillimaniteAl2(SiO4)O
Oⓘ SpinelMgAl2O4
Oⓘ StauroliteFe22+Al9Si4O23(OH)
Oⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Oⓘ SudoiteMg2Al3(AlSi3O10)(OH)8
Oⓘ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Oⓘ TitaniteCaTiO(SiO4)
Oⓘ TourmalineAD3G6(T6O18)(BO3)3X3Z
Oⓘ Almandine-Pyrope Series
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ ApatiteCa5(PO4)3A
Oⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
NaSodium
Naⓘ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ Hypersthene(Mg,Fe)SiO3
Mgⓘ SpinelMgAl2O4
Mgⓘ SudoiteMg2Al3(AlSi3O10)(OH)8
Mgⓘ Almandine-Pyrope Series
AlAluminium
Alⓘ CorundumAl2O3
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ KyaniteAl2(SiO4)O
Alⓘ MicroclineK(AlSi3O8)
Alⓘ SillimaniteAl2(SiO4)O
Alⓘ SpinelMgAl2O4
Alⓘ StauroliteFe22+Al9Si4O23(OH)
Alⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Alⓘ SudoiteMg2Al3(AlSi3O10)(OH)8
Alⓘ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Alⓘ Almandine-Pyrope Series
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ Opal var. Opal-ANSiO2 · nH2O
Siⓘ Hypersthene(Mg,Fe)SiO3
Siⓘ KyaniteAl2(SiO4)O
Siⓘ MicroclineK(AlSi3O8)
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
Siⓘ SillimaniteAl2(SiO4)O
Siⓘ StauroliteFe22+Al9Si4O23(OH)
Siⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Siⓘ SudoiteMg2Al3(AlSi3O10)(OH)8
Siⓘ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Siⓘ TitaniteCaTiO(SiO4)
Siⓘ Almandine-Pyrope Series
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
Pⓘ ApatiteCa5(PO4)3A
SSulfur
Sⓘ AnhydriteCaSO4
Sⓘ MolybdeniteMoS2
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
KPotassium
Kⓘ MicroclineK(AlSi3O8)
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ AnhydriteCaSO4
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ CalciteCaCO3
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Caⓘ TitaniteCaTiO(SiO4)
Caⓘ ApatiteCa5(PO4)3A
TiTitanium
Tiⓘ TitaniteCaTiO(SiO4)
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ Hypersthene(Mg,Fe)SiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ StauroliteFe22+Al9Si4O23(OH)
Feⓘ Almandine-Pyrope Series
MoMolybdenum
Moⓘ MolybdeniteMoS2
AuGold
Auⓘ Native GoldAu

Localities in this Region

USA
USA

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Manchester, James G. (1931) The Minerals of New York City and its Environs. Bulletin of the New York Mineralogical Club Vol. 3 (1). New York Mineralogical Clubp.86
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