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Lead Mine Brook, Harwinton, Litchfield County, Connecticut, USAi
Regional Level Types
Lead Mine Brook- not defined -
Harwinton- not defined -
Litchfield CountyCounty
ConnecticutState
USACountry

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PhotosMapsSearch
02975200017272310867630.jpg
Kyanite, etc.

Lead Mine Brook, Harwinton, Litchfield County, Connecticut, USA
07730620017272310861239.jpg
Almandine, etc.

Lead Mine Brook, Harwinton, Litchfield County, Connecticut, USA
08365330017272023019137.jpg
Beryl, etc.

Lead Mine Brook, Harwinton, Litchfield County, Connecticut, USA
06142560017272309897736.jpg
Kyanite, etc.

Lead Mine Brook, Harwinton, Litchfield County, Connecticut, USA
02909170017272023681817.jpg
Almandine, etc.

Lead Mine Brook, Harwinton, Litchfield County, Connecticut, USA
01024150017272022999511.jpg
Beryl, etc.

Lead Mine Brook, Harwinton, Litchfield County, Connecticut, USA
06142560017272309897736.jpg
Kyanite, etc.

Lead Mine Brook, Harwinton, Litchfield County, Connecticut, USA
02909170017272023681817.jpg
Almandine, etc.

Lead Mine Brook, Harwinton, Litchfield County, Connecticut, USA
Latitude & Longitude (WGS84):
41° 43' 17'' North , 73° 3' 25'' West
Latitude & Longitude (decimal):
41.72139,-73.05694
GeoHash:
G#: drkj3e1s9
GRN:
N28W40
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Thomaston1,910 (2017)5.4km
Plymouth12,284 (2017)5.5km
Terryville5,387 (2017)6.1km
Northwest Harwinton3,252 (2017)6.4km
Torrington34,906 (2017)10.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Bristol Gem & Mineral ClubBristol, Connecticut11km
Lapidary and Mineral Society of Central ConnecticutMeriden, Connecticut29km
New Haven Mineral ClubNew Haven, Connecticut47km
Danbury Mineralogical SocietyDanbury, Connecticut49km
Mindat Locality ID:
229893
Long-form identifier:
mindat:1:2:229893:4
GUID (UUID V4):
0


A pegmatite occurrence located about 5.5 km (3.4 miles) S of Harwinton proper (coordinates of record).

Pegmatites intruding through schist along the stream, containing garnet, kyanite, and beryl.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
Description: Rock forming mineral in pegmatites and metamorphic rocks.
References:
Adam Berluti collectionIdentified by Harold Moritz: Visual Identification
ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
Colour: maroon
Description: Inferred - garnet crystals in regional schist, gneisses and pegmatites are overwhelmingly almandine.
References:
Adam Berluti colleectionIdentified by Harold Moritz: Inferred (explain how)
ⓘ Beryl
Formula: Be3Al2(Si6O18)
ⓘ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ Fluorapatite ?
Formula: Ca5(PO4)3F
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Kyanite
Formula: Al2(SiO4)O
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
References:
Adam Berluti collectionIdentified by Harold Moritz: Visual Identification
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Opal var. Opal-AN
Formula: SiO2 · nH2O
ⓘ Quartz
Formula: SiO2
Description: Rock forming mineral in pegmatites and metamorphic rocks.
References:
Adam Berluti collectionIdentified by Harold Moritz: Visual Identification

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘOpal
var. Opal-AN		4.DA.10SiO2 · nH2O
ⓘ4.DA.10SiO2 · nH2O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite ?8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘKyanite9.AF.15Al2(SiO4)O
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
Hⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hⓘ Opal var. Opal-ANSiO2 · nH2O
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ OpalSiO2 · nH2O
BeBeryllium
Beⓘ BerylBe3Al2(Si6O18)
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ Opal var. Opal-ANSiO2 · nH2O
Oⓘ KyaniteAl2(SiO4)O
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OpalSiO2 · nH2O
Oⓘ QuartzSiO2
Oⓘ Garnet GroupX3Z2(SiO4)3
FFluorine
Fⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fⓘ FluorapatiteCa5(PO4)3F
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
MgMagnesium
Mgⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ KyaniteAl2(SiO4)O
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ Opal var. Opal-ANSiO2 · nH2O
Siⓘ KyaniteAl2(SiO4)O
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
KPotassium
Kⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ FluorapatiteCa5(PO4)3F
TiTitanium
Tiⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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