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Long Hill, Leominster, Worcester County, Massachusetts, USAi
Regional Level Types
Long HillHill
LeominsterCity
Worcester CountyCounty
MassachusettsState
USACountry

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Latitude & Longitude (WGS84):
42° 30' 23'' North , 71° 46' 56'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Leominster41,569 (2017)2.8km
Sterling7,384 (2017)7.8km
Fitchburg40,545 (2017)8.7km
Princeton3,412 (2017)10.1km
South Lancaster1,894 (2017)10.4km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Worcester Mineral ClubWorcester, Massachusetts27km
Nashoba Valley Mineralogical SocietyWestford, Massachusetts29km
Mindat Locality ID:
16926
Long-form identifier:
mindat:1:2:16926:3
GUID (UUID V4):
45fa032b-ad0c-4032-bb1e-19d255d17744


Spodumene-bearing pegmatites are exposed on Long Hill, part of a 2.5 mile and 1000 foot wide belt extending south into Sterling.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


17 valid minerals.

Detailed Mineral List:

β“˜ Albite
Formula: Na(AlSi3O8)
β“˜ Almandine
Formula: Fe2+3Al2(SiO4)3
β“˜ Amblygonite ?
Formula: LiAl(PO4)F
Description: Probably montebrasite.
β“˜ Arsenopyrite
Formula: FeAsS
β“˜ Autunite
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
β“˜ Cassiterite
Formula: SnO2
β“˜ 'Columbite-(Fe)-Columbite-(Mn) Series'
β“˜ Microcline
Formula: K(AlSi3O8)
β“˜ Montebrasite
Formula: LiAl(PO4)(OH)
β“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Habit: flakes up to 1 inch diameter
β“˜ Pollucite
Formula: (Cs,Na)2(Al2Si4O12) · 2H2O
Habit: irregular masses to 1 inch in diameter
Description: Pollucite was first found in Massachusetts in 1937 by Roscoe J. Whitney of Leominster (Gonyer, 1937).
β“˜ Purpurite ?
Formula: Mn3+(PO4)
β“˜ Pyrite
Formula: FeS2
β“˜ Quartz
Formula: SiO2
β“˜ Quartz var. Milky Quartz
Formula: SiO2
β“˜ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Description: Black schorl is associated with non-spodumene pegmatites only.
β“˜ Spodumene
Formula: LiAlSi2O6
Habit: "Rectangular plates" 1 to 2 inches long average in outcrops, up to 6 inches. Larger in boulders (primarily at Rocky Hill, Sterling). (Billings & Wolfe, 1944)
Colour: white to buff-colored
β“˜ Staurolite
Formula: Fe2+2Al9Si4O23(OH)
Description: Occurs in schist "country rock" surrounding pegmatites.
β“˜ Topaz
Formula: Al2(SiO4)(F,OH)2
β“˜ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Habit: crystals to 3 inches long
Colour: green to blue
Description: Blue and green crystals are associated with spodumene pegmatites. Black crystals (schorl) are associated with non-spodumene pegmatites on Long Hill.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
β“˜Pyrite2.EB.05aFeS2
β“˜Arsenopyrite2.EB.20FeAsS
Group 4 - Oxides and Hydroxides
β“˜Quartz
var. Milky Quartz
4.DA.05SiO2
β“˜4.DA.05SiO2
β“˜Cassiterite4.DB.05SnO2
Group 8 - Phosphates, Arsenates and Vanadates
β“˜Purpurite ?8.AB.10Mn3+(PO4)
β“˜Montebrasite8.BB.05LiAl(PO4)(OH)
β“˜Amblygonite ?8.BB.05LiAl(PO4)F
β“˜Autunite8.EB.05Ca(UO2)2(PO4)2 Β· 10-12H2O
Group 9 - Silicates
β“˜Almandine9.AD.25Fe2+3Al2(SiO4)3
β“˜Staurolite9.AF.30Fe2+2Al9Si4O23(OH)
β“˜Topaz9.AF.35Al2(SiO4)(F,OH)2
β“˜Schorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
β“˜Spodumene9.DA.30LiAlSi2O6
β“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
β“˜Microcline9.FA.30K(AlSi3O8)
β“˜Albite9.FA.35Na(AlSi3O8)
β“˜Pollucite9.GB.05(Cs,Na)2(Al2Si4O12) Β· 2H2O
Unclassified
β“˜'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
β“˜'Columbite-(Fe)-Columbite-(Mn) Series'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Hβ“˜ MontebrasiteLiAl(PO4)(OH)
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Hβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hβ“˜ StauroliteFe22+Al9Si4O23(OH)
Hβ“˜ TopazAl2(SiO4)(F,OH)2
LiLithium
Liβ“˜ AmblygoniteLiAl(PO4)F
Liβ“˜ MontebrasiteLiAl(PO4)(OH)
Liβ“˜ SpodumeneLiAlSi2O6
BBoron
Bβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
Oβ“˜ AlbiteNa(AlSi3O8)
Oβ“˜ AmblygoniteLiAl(PO4)F
Oβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Oβ“˜ AlmandineFe32+Al2(SiO4)3
Oβ“˜ CassiteriteSnO2
Oβ“˜ MicroclineK(AlSi3O8)
Oβ“˜ MontebrasiteLiAl(PO4)(OH)
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Oβ“˜ PurpuriteMn3+(PO4)
Oβ“˜ QuartzSiO2
Oβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oβ“˜ SpodumeneLiAlSi2O6
Oβ“˜ StauroliteFe22+Al9Si4O23(OH)
Oβ“˜ TopazAl2(SiO4)(F,OH)2
Oβ“˜ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oβ“˜ Quartz var. Milky QuartzSiO2
FFluorine
Fβ“˜ AmblygoniteLiAl(PO4)F
Fβ“˜ TopazAl2(SiO4)(F,OH)2
NaSodium
Naβ“˜ AlbiteNa(AlSi3O8)
Naβ“˜ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Naβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Alβ“˜ AlbiteNa(AlSi3O8)
Alβ“˜ AmblygoniteLiAl(PO4)F
Alβ“˜ AlmandineFe32+Al2(SiO4)3
Alβ“˜ MicroclineK(AlSi3O8)
Alβ“˜ MontebrasiteLiAl(PO4)(OH)
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Alβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alβ“˜ SpodumeneLiAlSi2O6
Alβ“˜ StauroliteFe22+Al9Si4O23(OH)
Alβ“˜ TopazAl2(SiO4)(F,OH)2
SiSilicon
Siβ“˜ AlbiteNa(AlSi3O8)
Siβ“˜ AlmandineFe32+Al2(SiO4)3
Siβ“˜ MicroclineK(AlSi3O8)
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
Siβ“˜ QuartzSiO2
Siβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siβ“˜ SpodumeneLiAlSi2O6
Siβ“˜ StauroliteFe22+Al9Si4O23(OH)
Siβ“˜ TopazAl2(SiO4)(F,OH)2
Siβ“˜ Quartz var. Milky QuartzSiO2
PPhosphorus
Pβ“˜ AmblygoniteLiAl(PO4)F
Pβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Pβ“˜ MontebrasiteLiAl(PO4)(OH)
Pβ“˜ PurpuriteMn3+(PO4)
SSulfur
Sβ“˜ ArsenopyriteFeAsS
Sβ“˜ PyriteFeS2
KPotassium
Kβ“˜ MicroclineK(AlSi3O8)
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
MnManganese
Mnβ“˜ PurpuriteMn3+(PO4)
FeIron
Feβ“˜ ArsenopyriteFeAsS
Feβ“˜ AlmandineFe32+Al2(SiO4)3
Feβ“˜ PyriteFeS2
Feβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Feβ“˜ StauroliteFe22+Al9Si4O23(OH)
AsArsenic
Asβ“˜ ArsenopyriteFeAsS
SnTin
Snβ“˜ CassiteriteSnO2
CsCaesium
Csβ“˜ Pollucite(Cs,Na)2(Al2Si4O12) · 2H2O
UUranium
Uβ“˜ AutuniteCa(UO2)2(PO4)2 · 10-12H2O

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