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Forge Hill iron mines (Old Hawley iron mines), West Hawley, Hawley, Franklin County, Massachusetts, USAi
Regional Level Types
Forge Hill iron mines (Old Hawley iron mines)Group of Mines
West HawleyVillage
HawleyTown
Franklin CountyCounty
MassachusettsState
USACountry

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Latitude & Longitude (WGS84):
42° 35' 51'' North , 72° 55' 20'' West
Latitude & Longitude (decimal):
42.59758,-72.92225
GeoHash:
G#: drs4kdesu
GRN:
N29W39
Type:
Group of Mines
KΓΆppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Hawley342 (2017)5.2km
Charlemont1,382 (2017)5.5km
Savoy717 (2017)9.4km
Florida688 (2017)10.6km
Buckland2,026 (2017)10.7km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Northern Berkshire Mineral ClubNorth Adams, Massachusetts19km
Mindat Locality ID:
5973
Long-form identifier:
mindat:1:2:5973:5
GUID (UUID V4):
16015768-cdcd-4b68-9a75-de5ce772113c


Hawley "Mineral Belt" stratabound massive sulfide deposit. This list covers the several prospects and small mine workings on Forge Hill, as well as the main mine itself. (Specular hematite and magnetite overshadow massive sulfides in this section of the regional deposit.). Host rock is Hawley Schist/Savoy Schist (Rocks & Min.: 9:96-97).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


13 valid minerals.

Detailed Mineral List:

β“˜ Almandine
Formula: Fe2+3Al2(SiO4)3
β“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜ 'Chlorite Group'
β“˜ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
β“˜ Ferro-hornblende
Formula: ◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2
β“˜ Hematite
Formula: Fe2O3
β“˜ Hematite var. Specularite
Formula: Fe2O3
β“˜ Ilmenite
Formula: Fe2+TiO3
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
β“˜ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
β“˜ Pyrite
Formula: FeS2
β“˜ Quartz
Formula: SiO2
β“˜ Rhodochrosite ?
Formula: MnCO3
β“˜ Rhodonite
Formula: CaMn3Mn[Si5O15]
β“˜ Spessartine
Formula: Mn2+3Al2(SiO4)3
β“˜ Tephroite ?
Formula: Mn2+2SiO4

Gallery:

Fe2O3β“˜ Hematite

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Hematite
var. Specularite		4.CB.05Fe2O3
β“˜4.CB.05Fe2O3
β“˜Ilmenite4.CB.05Fe2+TiO3
β“˜Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Rhodochrosite ?5.AB.05MnCO3
Group 9 - Silicates
β“˜Tephroite ?9.AC.05Mn2+2SiO4
β“˜Almandine9.AD.25Fe2+3Al2(SiO4)3
β“˜Spessartine9.AD.25Mn2+3Al2(SiO4)3
β“˜Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
β“˜Ferro-hornblende9.DE.10β—»Ca2(Fe2+4Al)(Si7Al)O22(OH)2
β“˜Rhodonite9.DK.05CaMn3Mn[Si5O15]
β“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜'Chlorite Group'-
β“˜'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8

List of minerals for each chemical element

HHydrogen
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hβ“˜ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
CCarbon
Cβ“˜ RhodochrositeMnCO3
OOxygen
Oβ“˜ AlmandineFe32+Al2(SiO4)3
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oβ“˜ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Oβ“˜ HematiteFe2O3
Oβ“˜ IlmeniteFe2+TiO3
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ QuartzSiO2
Oβ“˜ RhodochrositeMnCO3
Oβ“˜ RhodoniteCaMn3Mn[Si5O15]
Oβ“˜ SpessartineMn32+Al2(SiO4)3
Oβ“˜ TephroiteMn22+SiO4
Oβ“˜ Hematite var. SpeculariteFe2O3
Oβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
FFluorine
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Naβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alβ“˜ AlmandineFe32+Al2(SiO4)3
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alβ“˜ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ SpessartineMn32+Al2(SiO4)3
Alβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siβ“˜ AlmandineFe32+Al2(SiO4)3
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siβ“˜ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ QuartzSiO2
Siβ“˜ RhodoniteCaMn3Mn[Si5O15]
Siβ“˜ SpessartineMn32+Al2(SiO4)3
Siβ“˜ TephroiteMn22+SiO4
Siβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SSulfur
Sβ“˜ PyriteFeS2
KPotassium
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caβ“˜ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Caβ“˜ RhodoniteCaMn3Mn[Si5O15]
Caβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Tiβ“˜ IlmeniteFe2+TiO3
MnManganese
Mnβ“˜ RhodochrositeMnCO3
Mnβ“˜ RhodoniteCaMn3Mn[Si5O15]
Mnβ“˜ SpessartineMn32+Al2(SiO4)3
Mnβ“˜ TephroiteMn22+SiO4
FeIron
Feβ“˜ AlmandineFe32+Al2(SiO4)3
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feβ“˜ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feβ“˜ Ferro-hornblende◻Ca2(Fe42+Al)(Si7Al)O22(OH)2
Feβ“˜ HematiteFe2O3
Feβ“˜ IlmeniteFe2+TiO3
Feβ“˜ MagnetiteFe2+Fe23+O4
Feβ“˜ PyriteFeS2
Feβ“˜ Hematite var. SpeculariteFe2O3

Other Regions, Features and Areas containing this locality

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

Perry, Elwyn L. (1934): The Hawley Mineral Belt, Massachusetts (Rocks & Minerals 9(7):93-99.)
Plante, Alan R. (1992). Western Massachusetts Mineral Localites (Greenfield MA: Valley Geology Press).
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