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Upper Merryall, New Milford, Litchfield County, Connecticut, USAi
Regional Level Types
Upper MerryallVillage
New MilfordTown
Litchfield CountyCounty
ConnecticutState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
41° 39' 44'' North , 73° 25' 19'' West
Latitude & Longitude (decimal):
41.66232,-73.42207
GeoHash:
G#: dr7v10rst
GRN:
N28W40
Type:
Village
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
New Preston1,182 (2017)6.0km
Kent2,858 (2017)8.3km
New Milford6,523 (2017)9.5km
Washington3,466 (2017)9.9km
Sherman3,827 (2017)11.1km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Danbury Mineralogical SocietyDanbury, Connecticut30km
Bristol Gem & Mineral ClubBristol, Connecticut39km
Mid-Hudson Valley Gem and Mineral Society Inc.Poughkeepsie, New York42km
Mindat Locality ID:
248929
Long-form identifier:
mindat:1:2:248929:5
GUID (UUID V4):
bba046f0-127d-4d86-9d6d-327a841683a2


No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

19 valid minerals. 1 erroneous literature entry.

Rock Types Recorded

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

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

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
Habit: anhedral
Colour: white
Description: Major component of the pegmatite.
✪ Almandine
Formula: Fe2+3Al2(SiO4)3
Habit: trapezohedral and rhombic dodecahedral
Colour: maroon to nearly black
Description: An accessory in the pegmatites, also abundant subhedral metacrysts of garnet in the schist adjacent to the contacts with pegmatite. Januzzi (1959) reports finding in one isolated pegmatite mass, scores of two types of garnet crystals having both distinct dodecahedral and trapezohedral forms. Ewell (1937) writes: "The garnets were extra large, some weighing one pound each."
ⓘ Annite
Formula: KFe2+3(AlSi3O10)(OH)2
Habit: anhedral
Colour: black
Description: fka biotite, a minor accessory in the pegmatites.
ⓘ Bertrandite ?
Formula: Be4(Si2O7)(OH)2
Description: Included in the reference in a list of minerals with no supporting information.
✪ Beryl
Formula: Be3Al2(Si6O18)
Habit: anhedral elongated prisms
Colour: pale green, yellow to honey, blue
Description: According to Cameron et al (1954), beryl is concentrated in the quartz-perthitic microcline zone in the the southwest half of no. 1 quarry as pale greenish-white, short, subhedral prisms, 3 inches in average length and 2 inches in average diameter. A 300-pound block of quartz and plagioclase found in the backfill contains at least 8 percent beryl. Also an accessory of the pegmatites in the no. 2 quarry. Sterrett (1923) reports “many crystals of beryl, some of them more than a foot in diameter”. Crystals are usually sheathed in mica and are poorly formed but internally contain some of the best gem beryl rough found in Connecticut.
✪ Beryl var. Aquamarine
Formula: Be3Al2Si6O18
Habit: subhedral elongated prisms
Colour: blue, blue-green
Description: Much more rare than the common green beryl or yellow beryl, but a 40.44-carat aquamarine (no. 1037) is in the Smithsonian.
✪ Beryl var. Heliodor
Formula: Be3Al2(Si6O18)
Colour: yellow to honey
Description: Crystals poorly formed, but internally hide some of the best gem rough from Connecticut, with deep golden yellow to honey color.
ⓘ Columbite-(Fe)
Formula: Fe2+Nb2O6
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
Description: Included in just a list of minerals in one reference, but it is such a common accessory that it is certainly present.
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
Description: Probably almandine as is most pegmatitic garnet in Connecticut.
✪ 'Gummite'
Description: Associated with uraninite, meta-autunite, uranophane, other alteration products. Fine gummite and uranophane pseudomorphs after uraninite have been found here.
ⓘ Hematite ?
Formula: Fe2O3
Description: Included in the reference in a list of minerals with no supporting documentation.
ⓘ 'Limonite'
Description: Common surficial alteration product staining other rocks and minerals.
ⓘ Meta-autunite
Formula: Ca(UO2)2(PO4)2 · 6H2O
Description: Associated with uraninite, uranophane, "gummite" and other alteration products.
ⓘ Metatorbernite
Formula: Cu(UO2)2(PO4)2 · 8H2O
Description: Associated with uraninite, meta-autunite, uranophane, "gummite" and other alteration products.
ⓘ Microcline
Formula: K(AlSi3O8)
Habit: anhedral
Description: A major component of the pegmatites. In the perthitic microcline-quartz zone of the No.1 quarry, in large anhedral crystals as much as 10 feet long. In the eastern part of the north wall, the zone is richest in massive perthitic microcline toward the center of the pegmatite, and this suggests the presence of a perthitic microcline core. Locally, the microcline is veined and partly replaced with granular milky quartz, deformed muscovite and pink-red garnet. Graphic granite is fairly common.
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Habit: tabular subhedral
Colour: green to pale ruby
Description: In the microcline-quartz zone of the no. 1 quarry it occurs in small quantities as books 3 inches in diameter. The muscovite-microcline unit of this pegmatite consists chiefly of diversely oriented scrap muscovite books forming 70 to 90 percent of the total volume. One block of “solid mica” of irregular shape blasted loose from this zone measured 4 feet thick and 8 feet long. http://www.mindat.org/photo-204409.html Crystals average 1 inch in diameter but range from 1/8 to 6 inches across. There are three types of mica deposits in the 4 pegmatites of the no. 2 quarry: pod, wall-zone, and disseminated. Pegmatite A has a concentration of books as much as 1 foot in diameter, Pegmatite B exhibits a lean book mica-bearing zone composed of quartz, albite, and muscovite. The books are 3 to 4 inches in average diameter. Pegmatites C and D are disseminated mica deposits.
ⓘ Opal
Formula: SiO2 · nH2O
Habit: encrustations
Fluorescence: green
Description: Commonly forms crusts in cracks and joints in pegmatites, best found by its bright green fluorescence under SW UV illumination.
ⓘ Opal var. Opal-AN
Formula: SiO2 · nH2O
Habit: encrustations
Fluorescence: green
Description: Commonly forms crusts in cracks and joints in pegmatites, best found by its bright green fluorescence under SW UV illumination.
ⓘ Phosphuranylite
Formula: KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
ⓘ Pyrolusite
Formula: Mn4+O2
Description: No pyrolusite dendrite or staining in a granite pegmatite in the world has been verified as pyrolusite. The name was a mistake in the nineteenth century which has been widely publicized.
ⓘ Quartz
Formula: SiO2
Habit: anhedral
Colour: milky to smoky
Description: Major component of the pegmatite.
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Habit: subhedral, elongated prisms
Colour: black
Description: Common accessory in the pegmatites, especially in the border zone forming subhedral needles from ¼ inch to 3 inches long, oriented normal to the contact, and in the surrounding schist.
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
ⓘ Uraninite
Formula: UO2
Habit: octahedral
Description: Associated with secondaries, sometimes pseudomorphed by uranophane and "gummite".
✪ Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
Description: Associated with uraninite, meta-autunite, "gummite", other alteration products. Fine gummite and uranophane pseudomorphs after uraninite have been found here.
ⓘ Zircon
Formula: Zr(SiO4)
Colour: brown
Description: Accessory in the pegmatites.

Gallery:

Fe2+3Al2(SiO4)3ⓘ Almandine
Be3Al2(Si6O18)ⓘ Beryl
Be3Al2Si6O18ⓘ Beryl var. Aquamarine
Be3Al2(Si6O18)ⓘ Beryl var. Heliodor
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)ⓘ Schorl
UO2ⓘ Uraninite

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘHematite ?4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
ⓘOpal4.DA.10SiO2 · nH2O
ⓘvar. Opal-AN4.DA.10SiO2 · nH2O
ⓘPyrolusite ?4.DB.05Mn4+O2
ⓘColumbite-(Fe)4.DB.35Fe2+Nb2O6
ⓘUraninite4.DL.05UO2
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite8.BN.05Ca5(PO4)3F
ⓘMetatorbernite8.EB.10Cu(UO2)2(PO4)2 · 8H2O
ⓘMeta-autunite8.EB.10Ca(UO2)2(PO4)2 · 6H2O
ⓘPhosphuranylite8.EC.10KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Group 9 - Silicates
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘZircon9.AD.30Zr(SiO4)
ⓘUranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
ⓘBertrandite ?9.BD.05Be4(Si2O7)(OH)2
ⓘBeryl
var. Heliodor		9.CJ.05Be3Al2(Si6O18)
ⓘ9.CJ.05Be3Al2(Si6O18)
ⓘvar. Aquamarine9.CJ.05Be3Al2Si6O18
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘAnnite9.EC.20KFe2+3(AlSi3O10)(OH)2
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Limonite'-
ⓘ'Gummite'-
ⓘ'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
Hⓘ AnniteKFe32+(AlSi3O10)(OH)2
Hⓘ BertranditeBe4(Si2O7)(OH)2
Hⓘ Opal var. Opal-ANSiO2 · nH2O
Hⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Hⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ OpalSiO2 · nH2O
Hⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
BeBeryllium
Beⓘ Beryl var. AquamarineBe3Al2Si6O18
Beⓘ BertranditeBe4(Si2O7)(OH)2
Beⓘ BerylBe3Al2(Si6O18)
Beⓘ Beryl var. HeliodorBe3Al2(Si6O18)
BBoron
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AnniteKFe32+(AlSi3O10)(OH)2
Oⓘ Beryl var. AquamarineBe3Al2Si6O18
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ BertranditeBe4(Si2O7)(OH)2
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ Columbite-(Fe)Fe2+Nb2O6
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ HematiteFe2O3
Oⓘ Opal var. Opal-ANSiO2 · nH2O
Oⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Oⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Oⓘ MicroclineK(AlSi3O8)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OpalSiO2 · nH2O
Oⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Oⓘ PyrolusiteMn4+O2
Oⓘ QuartzSiO2
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ UraniniteUO2
Oⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Oⓘ ZirconZr(SiO4)
Oⓘ Beryl var. HeliodorBe3Al2(Si6O18)
Oⓘ Garnet GroupX3Z2(SiO4)3
FFluorine
Fⓘ FluorapatiteCa5(PO4)3F
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ AnniteKFe32+(AlSi3O10)(OH)2
Alⓘ Beryl var. AquamarineBe3Al2Si6O18
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ Beryl var. HeliodorBe3Al2(Si6O18)
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ AnniteKFe32+(AlSi3O10)(OH)2
Siⓘ Beryl var. AquamarineBe3Al2Si6O18
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ BertranditeBe4(Si2O7)(OH)2
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ Opal var. Opal-ANSiO2 · nH2O
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OpalSiO2 · nH2O
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Siⓘ ZirconZr(SiO4)
Siⓘ Beryl var. HeliodorBe3Al2(Si6O18)
Siⓘ Garnet GroupX3Z2(SiO4)3
PPhosphorus
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Pⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Pⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
KPotassium
Kⓘ AnniteKFe32+(AlSi3O10)(OH)2
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
CaCalcium
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Caⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Caⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
MnManganese
Mnⓘ PyrolusiteMn4+O2
FeIron
Feⓘ AnniteKFe32+(AlSi3O10)(OH)2
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ Columbite-(Fe)Fe2+Nb2O6
Feⓘ HematiteFe2O3
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
CuCopper
Cuⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
ZrZirconium
Zrⓘ ZirconZr(SiO4)
NbNiobium
Nbⓘ Columbite-(Fe)Fe2+Nb2O6
UUranium
Uⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Uⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Uⓘ PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Uⓘ UraniniteUO2
Uⓘ UranophaneCa(UO2)2(SiO3OH)2 · 5H2O

Localities in this Region

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Other Regions, Features and Areas containing this locality

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