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Simpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USAi
Regional Level Types
Simpson Quarry (Wiarda Quarry)Quarry (Inactive)
South GlastonburyVillage
GlastonburyTown
Hartford CountyCounty
ConnecticutState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
41° 38' 21'' North , 72° 35' 41'' West
Latitude & Longitude (decimal):
41.63919,-72.59475
GeoHash:
G#: drkkuh4jg
GRN:
N28W40
Type:
Quarry (Inactive) - last checked 2020
Köppen climate type:
Dfa : Hot-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Cromwell13,750 (2017)6.5km
Glastonbury Center7,387 (2017)6.9km
Glastonbury31,876 (2017)8.2km
Portland5,862 (2017)8.3km
Lake Pocotopaug3,436 (2017)8.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Lapidary and Mineral Society of Central ConnecticutMeriden, Connecticut21km
Bristol Gem & Mineral ClubBristol, Connecticut30km
New Haven Mineral ClubNew Haven, Connecticut46km
Mindat Locality ID:
29587
Long-form identifier:
mindat:1:2:29587:8
GUID (UUID V4):
44dd85dc-5297-4dcc-9fdc-adb28d09e600


Two adjacent quarries and some nearby prospects in generally N-S oriented granite pegmatite dikes about which surprisingly very little has been written, probably because it is not described in Cameron et al (1954) Pegmatite Investigations 1942-45: New England and so did not get into the many collector guidebooks of the 1950s to 1970s. The southern cut is probably the "new" Wiarda quarry, that Watts (1916) describes as:

located in a feldspar deposit on a north and south ridge on the outskirts of South Glastonbury. Several irregular dikes are exposed, but little actual development work has been done to indicate the continuity of any particular dike or to ascertain the width of the bands rich in feldspar. A good quality of feldspar and graphic granite have been obtained from this property and 2,000 tons were reported as being quarried in 1911.


No other place fits this description. The only descriptions using the name "Simpson" are by Hiller (1967), who writes about the good beryl, muscovite and microcline crystals he collected. This article did not spur much collecting, probably because few people could find it then. Collecting activity increased in the 1990s with the construction of nearby residential roads, and publications such as Betts (1996 & 1999), who mentions good quality aquamarine and "bright blue-green hyalite opal". Scattered but well-formed microlite crystals are also noteworthy as are metatorbernite coatings.

Coordinates are for the longer, northern Simpson Quarry.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


30 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

ⓘ Albite
Formula: Na(AlSi3O8)
Habit: blocky microcrystals in small vugs
Colour: colorless to white, blue - caused by inclusions of fine elbaite
Description: Major component of the pegmatites. Crystals mainly as micros in small vugs, sometimes colored pale blue by included fine-grained elbaite.
ⓘ Albite var. Cleavelandite
Formula: Na(AlSi3O8)
Habit: tabular, subhedral
Colour: white
Description: Associated with massive, nearly black smoky quartz and beryl. Texture grades into sugary albitite.
ⓘ 'Allanite Group' ?
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
Description: Listed in Table 1 of Betts (1999) with a question mark.
ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
Habit: trapezohedral
Colour: red
Description: Usually as small crystals a few mm across in sugary albitite.
ⓘ Annite ?
Formula: KFe2+3(AlSi3O10)(OH)2
Description: Listed in Table 1 (as biotite) in Betts (1999) with a question mark.
ⓘ Autunite
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
✪ Beryl
Formula: Be3Al2(Si6O18)
Habit: stout prisms with pinacoidal terminations
Colour: yellow green to pale green
Description: Crystals up to several inches in diameter, best crystals associated with nearly black smoky quartz and cleavelandite.
✪ Beryl var. Aquamarine
Formula: Be3Al2Si6O18
Habit: short prisms with pinacoidal terminations
Colour: blue green to blue
Description: Crystals up to 4 inches in diameter, typically translucent to opaque, but rare gem material also, associated with nearly black smoky quartz and cleavelandite.
ⓘ Beryl var. Heliodor
Formula: Be3Al2(Si6O18)
ⓘ Bismuthinite
Formula: Bi2S3
Habit: massive
Colour: gray
Description: irregular masses in the quartz core, most are altered to bismutite.
References:
Field observation
ⓘ Bismutite
Formula: (BiO)2CO3
Habit: massive to subhedral pseudomorphs after bismuthinite or bismuth
Colour: yellow to yellow-green, grayish yellow
Description: Found by Wil Talbot.
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Columbite-(Fe)
Formula: Fe2+Nb2O6
ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'
Habit: flattened prisms
Colour: black with iridescence
Description: Usually less than an inch, found with cleavelandite or sugary albitite.
ⓘ Cookeite
Formula: (LiAl4◻)[AlSi3O10](OH)8
ⓘ Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Habit: acicular
Colour: blue
Description: Very fine needle crystals associated with an included in micro albite crystals, coloring them blue.
ⓘ Fluorapatite
Formula: Ca5(PO4)3F
Habit: short prisms with pinacoidal terminations
Colour: gray
Fluorescence: Yellow (SW)
Description: Usually small, inconspicuous crystals in sugary albitite, obvious when illuminated by SW UV.
ⓘ Gahnite ?
Formula: ZnAl2O4
Description: Not found in modern collecting period (post 1990s) and very likely confusion with greenish microlite crystals, which have similar crystal forms and are fairly common.
ⓘ Goethite
Formula: α-Fe3+O(OH)
ⓘ Grayite
Formula: (Th,Pb,Ca)(PO4) · H2O
ⓘ 'Lepidolite'
Habit: aggregates of fine flakes
Colour: lavender
ⓘ Meta-autunite
Formula: Ca(UO2)2(PO4)2 · 6H2O
Habit: coatings
Colour: pale yellow-green
Fluorescence: green
Description: Thin films associated with other uranium minerals.
ⓘ Metatorbernite
Formula: Cu(UO2)2(PO4)2 · 8H2O
Habit: tabular, coatings
Colour: green
Description: Green, fine-grained crystals and coatings associated with other uranium minerals.
ⓘ Microcline
Formula: K(AlSi3O8)
Habit: blocky crystals
Colour: white to tan
Description: Vast majority is massive and anhedral, some subhedral crystals found around the edge of the quartz core zone.
✪ 'Microlite Group'
Formula: A2-mTa2X6-wZ-n
Habit: octahedral to dodecahedral with modifications
Colour: brown to green to black
Description: Usually less than 1 cm, commonly contains some uranium and is mildly radioactive. At least one crystal tested at the University of New Haven using Raman spectroscopy, peaks were broad (specimen somewhat metamict) but match fluorocalciomicrolite RUFF spectrum.
✪ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Habit: tabular
Colour: silvery to pale green
Description: Significant accessory mineral, mostly massive and up to 1 foot or so across, but euhedral crystals formed adjacent to the quartz core zone.
✪ Opal
Formula: SiO2 · nH2O
Habit: bubbly coatings
Colour: colorless to aqua
Fluorescence: green
Description: Coatings mostly invisible unless illuminated by SW UV, rarely colored blue-green in daylight and if thick enough has a translucent, fine-grained bubbly appearance.
✪ Opal var. Opal-AN
Formula: SiO2 · nH2O
Habit: bubbly coatings
Colour: colorless to aqua
Fluorescence: green
Description: Coatings mostly invisible unless illuminated by SW UV, rarely colored blue-green in daylight and if thick enough has a translucent, fine-grained bubbly appearance.
ⓘ Pyrite
Formula: FeS2
ⓘ 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: massive
Description: Major component of the pegmatites.
ⓘ Quartz var. Smoky Quartz
Formula: SiO2
Habit: massive
Colour: pale brown to nearly black
Description: The nearly black material associated with cleavelandite hosts the best beryl crystals.
ⓘ Samarskite-(Y)
Formula: YFe3+Nb2O8
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Habit: slender, elongated prisms, typically unterminated
Colour: black
Description: Typically as aggregates, sometimes with radial divergence, of slender elongated crystals to a few inches.
ⓘ Spessartine
Formula: Mn2+3Al2(SiO4)3
Habit: trapezohedral
Colour: orange to red-orange
Description: An orange garnet EDS analysis was done in 2008 by Kerry Day in Ottawa. His setup didn't produce spectra at the time, but he did provide this data: Al (1.49 KeV) = 676 (X-ray count); Si (1.74) = 1111; Ca (3.69) = 130; Mn (5.90 KeV) = 435; Fe (6.40 KeV) = 159; Background values 2/10 = 99/10 He noted that for a number of reasons X-ray counts are not directly comparable but X-ray counts for element pairs such as Al and Si; K and Ca; and Mn and Fe more or less are. He concluded that the garnet is spessartine based on Mn 435 > Fe 159.
ⓘ Thorite
Formula: Th(SiO4)
Colour: dark brown
ⓘ Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
Habit: subhedral prismatic, parallel aggregates
Colour: green
Description: Unterminated prisms with cleavelandite, lepidolite, quartz, can be translucent with small gemmy portions.
ⓘ Uraninite
Formula: UO2
Habit: octahedral
Colour: black
Description: Crystals typically less than 1 cm.
ⓘ 'Uranmicrolite (of Hogarth 1977)' ?
Formula: (Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
ⓘ Xenotime-(Y) ?
Formula: Y(PO4)
Description: Listed on Table 1 in Betts (1999) with a question mark.
ⓘ Zircon
Formula: Zr(SiO4)
ⓘ Zircon var. Cyrtolite
Formula: Zr[(SiO4),(OH)4]

Gallery:

Na(AlSi3O8)ⓘ Albite
Fe2+3Al2(SiO4)3ⓘ Almandine
Be3Al2(Si6O18)ⓘ Beryl
Be3Al2Si6O18ⓘ Beryl var. Aquamarine
Bi2S3ⓘ Bismuthinite
Fe2+Nb2O6ⓘ Columbite-(Fe)
ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'
Ca5(PO4)3Fⓘ Fluorapatite
Cu(UO2)2(PO4)2 · 8H2Oⓘ Metatorbernite
K(AlSi3O8)ⓘ Microcline
A2-mTa2X6-wZ-nⓘ 'Microlite Group'
KAl2(AlSi3O10)(OH)2ⓘ Muscovite
SiO2 · nH2Oⓘ Opal var. Opal-AN
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)ⓘ Schorl
Mn2+3Al2(SiO4)3ⓘ Spessartine
Cu(UO2)2(PO4)2 · 12H2Oⓘ Torbernite
UO2ⓘ Uraninite
Zr[(SiO4),(OH)4]ⓘ Zircon var. Cyrtolite

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘBismuthinite2.DB.05Bi2S3
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘ'Microlite Group'4.00.A2-mTa2X6-wZ-n
ⓘGoethite4.00.α-Fe3+O(OH)
ⓘGahnite ?4.BB.05ZnAl2O4
ⓘQuartz
var. Smoky Quartz		4.DA.05SiO2
ⓘ4.DA.05SiO2
ⓘOpal
var. Opal-AN		4.DA.10SiO2 · nH2O
ⓘ4.DA.10SiO2 · nH2O
ⓘPyrolusite ?4.DB.05Mn4+O2
ⓘSamarskite-(Y)4.DB.25YFe3+Nb2O8
ⓘColumbite-(Fe)4.DB.35Fe2+Nb2O6
ⓘUraninite4.DL.05UO2
Group 5 - Nitrates and Carbonates
ⓘBismutite5.BE.25(BiO)2CO3
Group 8 - Phosphates, Arsenates and Vanadates
ⓘXenotime-(Y) ?8.AD.35Y(PO4)
ⓘFluorapatite8.BN.05Ca5(PO4)3F
ⓘGrayite8.CJ.45(Th,Pb,Ca)(PO4) · H2O
ⓘTorbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
ⓘAutunite8.EB.05Ca(UO2)2(PO4)2 · 10-12H2O
ⓘMeta-autunite8.EB.10Ca(UO2)2(PO4)2 · 6H2O
ⓘMetatorbernite8.EB.10Cu(UO2)2(PO4)2 · 8H2O
Group 9 - Silicates
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘSpessartine9.AD.25Mn2+3Al2(SiO4)3
ⓘThorite9.AD.30Th(SiO4)
ⓘZircon9.AD.30Zr(SiO4)
ⓘvar. Cyrtolite9.AD.30Zr[(SiO4),(OH)4]
ⓘBeryl
var. Aquamarine		9.CJ.05Be3Al2Si6O18
ⓘvar. Heliodor9.CJ.05Be3Al2(Si6O18)
ⓘ9.CJ.05Be3Al2(Si6O18)
ⓘElbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘAnnite ?9.EC.20KFe2+3(AlSi3O10)(OH)2
ⓘCookeite9.EC.55(LiAl4◻)[AlSi3O10](OH)8
ⓘMicrocline9.FA.30K(AlSi3O8)
ⓘAlbite
var. Cleavelandite		9.FA.35Na(AlSi3O8)
ⓘ9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Uranmicrolite (of Hogarth 1977)' ?-(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Lepidolite'-
ⓘ'Columbite-(Fe)-Columbite-(Mn) Series'-
ⓘ'Allanite Group' ?-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
Hⓘ AnniteKFe32+(AlSi3O10)(OH)2
Hⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Hⓘ Cookeite(LiAl4◻)[AlSi3O10](OH)8
Hⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ Goethiteα-Fe3+O(OH)
Hⓘ Grayite(Th,Pb,Ca)(PO4) · H2O
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ⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Hⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Hⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Hⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
LiLithium
Liⓘ Cookeite(LiAl4◻)[AlSi3O10](OH)8
Liⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Beⓘ Beryl var. AquamarineBe3Al2Si6O18
Beⓘ BerylBe3Al2(Si6O18)
Beⓘ Beryl var. HeliodorBe3Al2(Si6O18)
BBoron
Bⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cⓘ Bismutite(BiO)2CO3
OOxygen
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ AnniteKFe32+(AlSi3O10)(OH)2
Oⓘ Beryl var. AquamarineBe3Al2Si6O18
Oⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ Bismutite(BiO)2CO3
Oⓘ BerylBe3Al2(Si6O18)
Oⓘ Cookeite(LiAl4◻)[AlSi3O10](OH)8
Oⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ Columbite-(Fe)Fe2+Nb2O6
Oⓘ FluorapatiteCa5(PO4)3F
Oⓘ GahniteZnAl2O4
Oⓘ Goethiteα-Fe3+O(OH)
Oⓘ Grayite(Th,Pb,Ca)(PO4) · H2O
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ⓘ PyrolusiteMn4+O2
Oⓘ QuartzSiO2
Oⓘ Samarskite-(Y)YFe3+Nb2O8
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ Quartz var. Smoky QuartzSiO2
Oⓘ SpessartineMn32+Al2(SiO4)3
Oⓘ ThoriteTh(SiO4)
Oⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ UraniniteUO2
Oⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Oⓘ Xenotime-(Y)Y(PO4)
Oⓘ ZirconZr(SiO4)
Oⓘ Beryl var. HeliodorBe3Al2(Si6O18)
Oⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Oⓘ Albite var. CleavelanditeNa(AlSi3O8)
Oⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
Fⓘ FluorapatiteCa5(PO4)3F
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
Naⓘ Albite var. CleavelanditeNa(AlSi3O8)
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ AnniteKFe32+(AlSi3O10)(OH)2
Alⓘ Beryl var. AquamarineBe3Al2Si6O18
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ BerylBe3Al2(Si6O18)
Alⓘ Cookeite(LiAl4◻)[AlSi3O10](OH)8
Alⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ GahniteZnAl2O4
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ SpessartineMn32+Al2(SiO4)3
Alⓘ Beryl var. HeliodorBe3Al2(Si6O18)
Alⓘ Albite var. CleavelanditeNa(AlSi3O8)
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ AnniteKFe32+(AlSi3O10)(OH)2
Siⓘ Beryl var. AquamarineBe3Al2Si6O18
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ BerylBe3Al2(Si6O18)
Siⓘ Cookeite(LiAl4◻)[AlSi3O10](OH)8
Siⓘ ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
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ⓘ Quartz var. Smoky QuartzSiO2
Siⓘ SpessartineMn32+Al2(SiO4)3
Siⓘ ThoriteTh(SiO4)
Siⓘ ZirconZr(SiO4)
Siⓘ Beryl var. HeliodorBe3Al2(Si6O18)
Siⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
Siⓘ Albite var. CleavelanditeNa(AlSi3O8)
Siⓘ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
PPhosphorus
Pⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Pⓘ FluorapatiteCa5(PO4)3F
Pⓘ Grayite(Th,Pb,Ca)(PO4) · H2O
Pⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Pⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Pⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Pⓘ Xenotime-(Y)Y(PO4)
SSulfur
Sⓘ BismuthiniteBi2S3
Sⓘ ChalcopyriteCuFeS2
Sⓘ PyriteFeS2
KPotassium
Kⓘ AnniteKFe32+(AlSi3O10)(OH)2
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Caⓘ FluorapatiteCa5(PO4)3F
Caⓘ Grayite(Th,Pb,Ca)(PO4) · H2O
Caⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Caⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
MnManganese
Mnⓘ PyrolusiteMn4+O2
Mnⓘ SpessartineMn32+Al2(SiO4)3
FeIron
Feⓘ AnniteKFe32+(AlSi3O10)(OH)2
Feⓘ AlmandineFe32+Al2(SiO4)3
Feⓘ ChalcopyriteCuFeS2
Feⓘ Columbite-(Fe)Fe2+Nb2O6
Feⓘ Goethiteα-Fe3+O(OH)
Feⓘ PyriteFeS2
Feⓘ Samarskite-(Y)YFe3+Nb2O8
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Cuⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
ZnZinc
Znⓘ GahniteZnAl2O4
YYttrium
Yⓘ Samarskite-(Y)YFe3+Nb2O8
Yⓘ Xenotime-(Y)Y(PO4)
ZrZirconium
Zrⓘ ZirconZr(SiO4)
Zrⓘ Zircon var. CyrtoliteZr[(SiO4),(OH)4]
NbNiobium
Nbⓘ Columbite-(Fe)Fe2+Nb2O6
Nbⓘ Samarskite-(Y)YFe3+Nb2O8
Nbⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
TaTantalum
Taⓘ Microlite GroupA2-mTa2X6-wZ-n
Taⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7
PbLead
Pbⓘ Grayite(Th,Pb,Ca)(PO4) · H2O
BiBismuth
Biⓘ BismuthiniteBi2S3
Biⓘ Bismutite(BiO)2CO3
ThThorium
Thⓘ Grayite(Th,Pb,Ca)(PO4) · H2O
Thⓘ ThoriteTh(SiO4)
UUranium
Uⓘ AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Uⓘ Meta-autuniteCa(UO2)2(PO4)2 · 6H2O
Uⓘ MetatorberniteCu(UO2)2(PO4)2 · 8H2O
Uⓘ TorberniteCu(UO2)2(PO4)2 · 12H2O
Uⓘ UraniniteUO2
Uⓘ Uranmicrolite (of Hogarth 1977)(Ca,U,Na)2-x(Ta,Nb)2(O,OH)7

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Field trip report: Simpson Quarry by Matthew Kimball


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References

Watts, A. S. (1916) The Feldspars of the New England and North Appalachian States. U. S. Bureau of Mines Bulletin 92.
Stugard, Frederick, Jr. (1958) PEGMATITES OF THE MIDDLETOWN AREA, CONNECTICUT. USGS Bulletin 1042-Q.
Hiller, John. (1967) Collecting at Simpson Quarry. Rocks and Minerals: 42(12): 938-939.
Weber, Marcelle H. and Earle C. Sullivan. (1995) Connecticut Mineral Locality Index. Rocks & Minerals (Connecticut Issue): 70(6): 398.
Betts, John. (1996) The Quarries and Minerals of South Glastonbury, Connecticut. George F. Kunz Competition Papers 1996. New York Mineralogical Club.
Betts, John. (1999) The Quarries and Minerals of the Dayton Road District, South Glastonbury, Connecticut. Rocks and Minerals: 74(2): 110-121.
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