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Woodbury pegmatite quarry (Judson Quarry), Woodbury, Litchfield County, Connecticut, USAi
Regional Level Types
Woodbury pegmatite quarry (Judson Quarry)Quarry (Abandoned)
Woodbury- not defined -
Litchfield CountyCounty
ConnecticutState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
41° 34' 44'' North , 73° 12' 14'' West
Latitude & Longitude (decimal):
41.57889,-73.20389
GeoHash:
G#: dr7uw1nw9
GRN:
N28W40
Type:
Quarry (Abandoned) - last checked 2019
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Woodbury Center1,294 (2017)3.8km
Woodbury9,755 (2017)3.8km
Bethlehem Village2,021 (2017)6.8km
Watertown3,574 (2017)7.7km
Middlebury6,974 (2017)8.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Bristol Gem & Mineral ClubBristol, Connecticut24km
Danbury Mineralogical SocietyDanbury, Connecticut29km
Lapidary and Mineral Society of Central ConnecticutMeriden, Connecticut33km
New Haven Mineral ClubNew Haven, Connecticut38km
Mindat Locality ID:
213286
Long-form identifier:
mindat:1:2:213286:3
GUID (UUID V4):
037dcdb3-cf3e-4d1e-bb1e-fa66e24330e4


According to Elwell (1937), it is "a small quarry that was formerly worked for feldspar and quarry [quartz] at Flanders, 5 miles north of Woodbury, Conn., where good crystals of columbite, torbernite, green and yellow beryls are found." Huff and Huff (1992) state that it "was worked in a small open-pit operation reportedly beginning at least as long ago as the 1890s." According to Russ Huff, it was reportedly once called the "Judson A.B.C. Quarry" (needs confirmation), a name that appears on some specimen labels attributed to a place in neighboring Southbury (see mineral photo gallery here). But the 1874 Beers Litchfield County Atlas map for Woodbury shows "E.D. Judson" living at the site, with other Judson homes further north. Russ Huff (verbal communication, March 2024) told me (A.J. Albini) that Sterling Parker, the property owner at the time, said to him that prior to his owning the property, the mine was known as the Judson ABC Mine. I have a columbite-(Fe)crystal from here that is labeled Judson ABC mine that is from the Sterling Parker collection.

Reportedly, beryl from here was also sold as beryllium ore for use in the aerospace industry. As a result, there are not many beryl specimens in collections.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


15 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
Habit: blocky crystals
Colour: white
Description: Major component of the pegmatite, mostly massive, small crystals with muscovite and quartz found in small pockets.
ⓘ Bertrandite
Formula: Be4(Si2O7)(OH)2
Habit: rectangular bar-shaped prisms, some radiating wagon-wheel trillings
Description: Micro crystals from altered beryl, typically as rectangular, bar-shaped crystals, some as three twinned, thin crystals radiating from a central point: "wagon-wheel" habit.
ⓘ Beryl
Formula: Be3Al2(Si6O18)
Habit: hexagonal prisms
Colour: yellow to pale green
Description: Anhedral to subhedral, opaque hexagonal crystals to 12 cm.
ⓘ Bismuthinite
Formula: Bi2S3
Habit: elongated prisms
Colour: gray
Description: Tiny thin crystals in massive quartz associated with green bismutite.
ⓘ Bismutite
Formula: (BiO)2CO3
Habit: coatings
Colour: green
Description: Green coatings on massive quartz associated with tiny bismuthinite needles.
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'
Habit: prismatic
Colour: black
Description: Subhedral crystals to 3 cm.
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
Habit: crusts and coatings
Colour: green
Description: Stains and thin crusts in massive quartz associated with tiny bismuthinite needles, some altered to bismutite. The malachite must come from alteration of grains of an undiscovered copper mineral, perhaps chalcopyrite.
ⓘ Meta-autunite
Formula: Ca(UO2)2(PO4)2 · 6H2O
Habit: encrustations
Colour: pale yellow
Fluorescence: green
Description: Alteration of uraninite, found with other uranium-rich secondary minerals as encrustations in fractures.
ⓘ Metatorbernite
Formula: Cu(UO2)2(PO4)2 · 8H2O
Habit: encrustations and microscopic tabular tetragonal crystals
Colour: green
Description: Encrustations associated with other secondary uranium minerals in fractures.
ⓘ Microcline
Formula: K(AlSi3O8)
Colour: white to tan
Description: Major component of the pegmatite, essentially all massive to subhedral material.
ⓘ Monazite-(Ce)
Formula: Ce(PO4)
Habit: tabular
Colour: red-brown
Description: One tabular crystal is known, based on luster, color, SG and radioactivity.
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Habit: tabular
Colour: silvery
Description: Major accessory mineral in the pegmatite, typically subhedral, a few small good crystals in small pockets with albite and quartz.
ⓘ Quartz
Formula: SiO2
Habit: Prismatic
Colour: white to smoky
Description: Major component of the pegmatite, nearly all massive except a few small crystals in small pockets associated with muscovite and albite.
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
ⓘ Uraninite
Formula: UO2
ⓘ Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
Description: Alteration of uraninite. Associated with meta-autunite and metatorbernite.

Gallery:

Be3Al2(Si6O18)ⓘ Beryl
ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'
KAl2(AlSi3O10)(OH)2ⓘ Muscovite
SiO2ⓘ Quartz
AD3G6 (T6O18)(BO3)3X3Zⓘ 'Tourmaline'

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘBismuthinite2.DB.05Bi2S3
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘUraninite4.DL.05UO2
Group 5 - Nitrates and Carbonates
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
ⓘBismutite5.BE.25(BiO)2CO3
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMonazite-(Ce)8.AD.50Ce(PO4)
ⓘMeta-autunite8.EB.10Ca(UO2)2(PO4)2 · 6H2O
ⓘMetatorbernite8.EB.10Cu(UO2)2(PO4)2 · 8H2O
Group 9 - Silicates
ⓘUranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
ⓘBertrandite9.BD.05Be4(Si2O7)(OH)2
ⓘBeryl9.CJ.05Be3Al2(Si6O18)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-
ⓘ'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
Hⓘ BertranditeBe4(Si2O7)(OH)2
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Hⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
BeBeryllium
Beⓘ BertranditeBe4(Si2O7)(OH)2
Beⓘ BerylBe3Al2(Si6O18)
BBoron
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cⓘ Bismutite(BiO)2CO3
Cⓘ MalachiteCu2(CO3)(OH)2
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ BertranditeBe4(Si2O7)(OH)2
Oⓘ Bismutite(BiO)2CO3
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Oⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Oⓘ MicroclineK(AlSi3O8)
Oⓘ Monazite-(Ce)Ce(PO4)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ UraniniteUO2
Oⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Oⓘ Garnet GroupX3Z2(SiO4)3
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ BertranditeBe4(Si2O7)(OH)2
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Pⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Pⓘ Monazite-(Ce)Ce(PO4)
SSulfur
Sⓘ BismuthiniteBi2S3
Sⓘ ChalcopyriteCuFeS2
KPotassium
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Caⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
FeIron
Feⓘ ChalcopyriteCuFeS2
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
CeCerium
Ceⓘ Monazite-(Ce)Ce(PO4)
BiBismuth
Biⓘ BismuthiniteBi2S3
Biⓘ Bismutite(BiO)2CO3
UUranium
Uⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Uⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Uⓘ UraniniteUO2
Uⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O

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

1874 map: http://www.historicmapworks.com/Map/US/4142/Woodbury/Litchfield+County+1874/Connecticut/
Elwell, Wilbur. (1937), Some Old Localities in Connecticut. Rocks and Minerals: 12(9): 270-1.
Januzzi, Ronald (1959) The Minerals of Western Connecticut and Southeastern New York State.. The Mineralogical Press, Danbury, Connecticut.
Ryerson, Kathleen H. (1972), Rock Hound's Guide to Connecticut. Pequot Press.
Januzzi, Ron E., Seaman, David M. (1976) Mineral Localities of Connecticut and Southeastern New York State and Pegmatite Minerals of the World. The Mineralogical Press, Danbury, Connecticut, USA.p.119
Huff, R. C. and R. G. Huff. (1992), Investigation of a Pegmatite Locality in Woodbury, Connecticut: in Contributed Papers in Specimen Mineralogy – 18th Rochester Symposium. Rocks & Minerals: 67(2): 114.
Weber, Marcelle H. and Earle C. Sullivan. (1995), Connecticut Mineral Locality Index. Rocks & Minerals (Connecticut Issue): 70(6): 399.
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