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Rock Landing Quarry (Capt. Rohrback Quarry), Haddam Neck, Haddam, Middlesex Co., Connecticut, USAi
Regional Level Types
Rock Landing Quarry (Capt. Rohrback Quarry)Quarry
Haddam Neck- not defined -
Haddam- not defined -
Middlesex Co.County
ConnecticutState
USACountry

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Key
Latitude & Longitude (WGS84):
41° 30' 29'' North , 72° 31' 21'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Higganum1,698 (2017)3.1km
Moodus1,413 (2017)6.1km
East Hampton2,691 (2017)7.7km
East Haddam9,042 (2017)8.0km
Lake Pocotopaug3,436 (2017)10.1km


The Rock Landing Quarry consists of two cuts on opposite sides of a hill, but within the same granite pegmatite. The land was owned by Justin E. Arnold until 1915, then was purchased by the Tidewater Feldspar Company (incorporated 1917) in 1918 (Cunningham and Warner, 1984), which had a grinding mill next to their quarry on the edge of the Connecticut River at Rock Landing just south. Quarrying apparently took place from then until Tidewater closed in 1931 and the land became part of the Rohrback property. The dump for the eastern quarry buried the foundation of the 19th century house owned by M. Goff. Reportedly the dumps were worked by Walter Busch for beryl in 1955 during the last year of government Be subsidies.

Although sometimes listed as being in Portland or East Hampton, they are actually in the Haddam Neck section of Haddam. The locality is most noted for its uranium minerals and columbite. They are on private property and collecting is not allowed without the owners' permission.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


34 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Habit: equant, complex
Colour: white to colorless
Fluorescence: none
Description: micro crystals only in small pockets
Reference: Stugard, Frederick, Jr. (1958): Pegmatites of the Middletown Area, Connecticut. USGS Bulletin 1042-Q.
Almandine
Formula: Fe2+3Al2(SiO4)3
Habit: trapezohedral
Colour: maroon
Reference: Personally collected by Harold Moritz.
Annite
Formula: KFe2+3(AlSi3O10)(OH)2
Colour: black
Description: fka biotite
Reference: Personally collected by Harold Moritz.
Augelite ?
Formula: Al2(PO4)(OH)3
Description: Schooner (circa 1980s) reported it with scorzalite in pieces from the Charles Thomas collection. He also reported fairfieldite, augelite, siderite, graftonite and triphylite in these pieces. Thus possible they really came from the Palermo mine.
Reference: Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Habit: flakes, crusts
Colour: pale yellow green
Fluorescence: green
Description: Thin crusts and flaky crystals, hard to see without a UV lamp but very common on black, smoky quartz and around altered uraninite. Should properly be listed as meta-autunite as all autunite dehydrates.
Reference: Montague, S. A. (1937): Some Mineral Localities Near Portland, Conn. Rocks & Minerals: 12 (5): 145.; Ingerson, Earl. (1938): Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276.
Becquerelite
Formula: Ca(UO2)6O4(OH)6 · 8H2O
Habit: pseudomorphs after uraninite
Colour: yellow
Description: "A soft yellow pseudomorph after a uraninite crystal was X-rayed, and proved to be becquerelite." Schooner (circa 1980s).
Reference: Januzzi, R.E. (1976): Mineral Localities Of Connecticut and Southern New York State. p.234.; Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
Beryl
Formula: Be3Al2(Si6O18)
Habit: hexagonal prisms
Colour: pale yellow, green to blue-green
Reference: Elwell, Wilbur J. (1936): Mineral Collecting by Hydroplane. Rocks and Minerals: 11 (6): 92-93.; Ingerson, Earl. (1938): Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276.
Bismuthinite
Formula: Bi2S3
Description: Small masses with pyrite...incrusted with white sillenite(?).
Reference: Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
Bismutite
Formula: (BiO)2CO3
Description: Found "very sparingly".
Reference: Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
Chalcopyrite
Formula: CuFeS2
Reference: Ingerson, Earl. (1938): Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276.
Columbite-(Fe)
Formula: Fe2+Nb2O6
Colour: Black
Reference: Montague, S. A. (1937): Some Mineral Localities Near Portland, Conn. Rocks & Minerals: 12 (5): 145.; Ingerson, Earl. (1938): Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276.
Fairfieldite ?
Formula: Ca2Mn2+(PO4)2 · 2H2O
Colour: white
Description: "The white mineral partly replacing graftonite from the Rock Landing quarry is very likely fairfieldite." Schooner (circa 1980s) reported in pieces from the Charles Thomas collection. He who also reported scorzalite, augelite, graftonite, siderite, and triphylite in these pieces. Thus possible they really came from the Palermo mine.
Reference: Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
Fluorapatite
Formula: Ca5(PO4)3F
Habit: massive
Colour: pale green-gray
Fluorescence: yellow
Reference: various photographs; Ingerson, Earl. (1938): Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276.
Fourmarierite
Formula: Pb(UO2)4O3(OH)4 · 4H2O
Habit: pseudomorphs after uraninite
Colour: reddish
Description: "In a study at Harvard University, in 1964, both fourmarierite and vandendriesscheite were identified, by X-ray diffraction, as components of hard "gummite" pseudomorphs after uraninite from the Rock Landing quarry. Fourmarierite is reddish; vandendriesscheite, yellow. The material came from the Charles Thomas collection." Schooner (circa 1980s).
Reference: Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
Goethite
Formula: α-Fe3+O(OH)
Habit: massive
Colour: dark red-brown
Fluorescence: none
Description: As coatings and massive aggregates in small pocket with albite. Probably from the oxidation of abundant pyrite.
Reference: Harold Moritz collection
Graftonite ?
Formula: Fe2+Fe2+2(PO4)2
Description: Reported by Schooner (circa 1980s) as occurring in pieces from the Charles Thomas collection, along with triphylite, scorzalite, siderite, fairfieldite, augelite. Possible they could have come from the Palermo mine.
Reference: Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
'Gummite'
Colour: orange, yellow, red
Description: According to Schooner (circa 1980s) analyzed by Clifford Frondel at Harvard and found to be mix of fourmarierite and vandendriesschite.
Reference: Ingerson, Earl. (1938): Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276.; Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
Meta-autunite
Formula: Ca(UO2)2(PO4)2 · 6-8H2O
Habit: flakes, crusts
Colour: pale yellow-green
Fluorescence: green
Description: Thin crusts and flaky crystals, hard to see without a UV lamp but very common on black, smoky quartz and around altered uraninite.
Reference: Montague, S. A. (1937): Some Mineral Localities Near Portland, Conn. Rocks & Minerals: 12 (5): 145.; Ingerson, Earl. (1938): Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276.; Kevin Czaja specimen.
Microcline
Formula: K(AlSi3O8)
Habit: mostly anhedral, rarely subhedral prisms
Colour: tan
Description: Large crystals to over 30 cm.
Reference: Elwell, Wilbur J. (1936): Mineral Collecting by Hydroplane. Rocks and Minerals: 11 (6): 92-93.; Ingerson, Earl. (1938): Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276.; plus many collections and field observations.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Habit: anhedral to subhedral tabular
Colour: silvery
Description: Major accessory of the pegmatite.
Reference: Ingerson, Earl. (1938): Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276.; plus many field observations.
Opal
Formula: SiO2 · nH2O
Habit: crusts
Colour: colorless
Fluorescence: green
Description: thin crusts only visible under SW UV light.
Reference: Jones, Robert W. (1960): Luminescent Minerals of Connecticut, A Guide to Their Properties and Locations.
Opal var: Opal-AN
Formula: SiO2 · nH2O
Habit: crusts
Colour: colorless
Fluorescence: green
Description: thin crusts only visible under SW UV light.
Reference: Jones, Robert W. (1960): Luminescent Minerals of Connecticut, A Guide to Their Properties and Locations.
Phosphuranylite
Formula: (H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
Description: "Phosphouranylite is associated with autunite, torbernite, and uranophane (or their dehydrated forms) on old specimens from...the Rock Landing quarry. The identification was made by Clifford Frondel." Schooner (circa 1980s).
Reference: Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
Pyrite
Formula: FeS2
Habit: octahedral
Description: Mostly massive and micro crystals, associated with goethite formed from its weathering.
Reference: Ingerson, Earl. (1938): Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276.
Quartz
Formula: SiO2
Habit: massive
Colour: gray to black
Description: Some very black, massive quartz is associated with meta-autunite.
Reference: Ingerson, Earl. (1938): Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276.
Quartz var: Smoky Quartz
Formula: SiO2
Habit: massive
Colour: gray to black
Description: Some very black massive material is associated with meta-autunite.
Reference: Ingerson, Earl. (1938): Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276.
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Habit: prismatic with rhombohedral terminations
Colour: Black
Description: Mostly small, unterminated crystals. Some euhedral crystals to several cm.
Reference: Ingerson, Earl. (1938): Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276.
Scorzalite ?
Formula: Fe2+Al2(PO4)2(OH)2
Colour: blue
Description: "Several lean examples of scorzalite and siderite, labeled "Rock Landing quarry", came from the Charles Thomas collection. They had been obtained when the locality was active in the late 1930s. The scorzalite, erroneously called "vivianite" on the label, is of a rich blue color and partly crystallized. The X-ray pattern suggests a composition somewhere between scorzalite and lazulite. A little augelite is intergrown." Schooner (circa 1980s).
Reference: Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
Siderite ?
Formula: FeCO3
Description: "Several lean examples of scorzalite and siderite, labeled "Rock Landing quarry", came from the Charles Thomas collection. They had been obtained when the locality was active in the late 1930s." Schooner (circa 1980s), who also reported augelite, fairfieldite, and graftonite, suggesting they may have really come from the Palermo mine.
Reference: Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
Sillénite ?
Formula: Bi12SiO20
Habit: coating
Colour: white or yellowish
Description: According to Schooner (circa 1980s) a "thin white or yellowish coating on bismuthinite crystals" may be this mineral. Needs confirmation.
Reference: Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
'Thorogummite'
Formula: (Th,U)(SiO4)1-x(OH)4x
Habit: pseudomorphous after thorianite
Colour: white to pale yellow-gray
Description: Waxy/earthy replacements of thorianite crystals, usually micros.
Reference: Collections of Fred E Davis, Harold Moritz
Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
Habit: tabular, micros
Colour: green
Description: Associated with other uranium minerals. Properly it is metatorbernite.
Reference: Ingerson, Earl. (1938): Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276.; Schooner, Richard. (1958): The Mineralogy of the Portland-East Hampton-Middletown-Haddam Area in Connecticut (With a few notes on Glastonbury and Marlborough). Published by Richard Schooner; Ralph Lieser of Pappy’s Beryl Shop, East Hampton; and Howard Pate of Fluorescent House, Branford, Connecticut.
Triphylite
Formula: LiFe2+PO4
Description: Reported by Schooner (circa 1980s) as occurring in pieces from the Charles Thomas collection, along with graftonite, scorzalite, siderite, fairfieldite, augelite. Possible they could have come from the Palermo mine.
Reference: Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
Uraninite
Formula: UO2
Habit: octahedral
Colour: Black
Reference: Ingerson, Earl. (1938): Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276.
Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
Habit: coatings near and replacements of uraninite
Colour: pale yellow
Reference: Schooner, Richard. (1958): The Mineralogy of the Portland-East Hampton-Middletown-Haddam Area in Connecticut (With a few notes on Glastonbury and Marlborough). Published by Richard Schooner; Ralph Lieser of Pappy’s Beryl Shop, East Hampton; and Howard Pate of Fluorescent House, Branford, Connecticut.
Vandendriesscheite
Formula: PbU7O22 · 12H2O
Habit: pseudomorphs after uraninite
Colour: yellow
Description: "In a study at Harvard University, in 1964, both fourmarierite and vandendriesscheite were identified, by X-ray diffraction, as components of hard "gummite" pseudomorphs after uraninite from the Rock Landing quarry. Fourmarierite is reddish; vandendriesscheite, yellow. The material came from the Charles Thomas collection." Schooner (circa 1980s).
Reference: Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
Vivianite ?
Formula: Fe2+3(PO4)2 · 8H2O
Description: "replaces triphylite on specimens of graftonite" from the Charles Thomas collection as reported by Schooner (circa 1980s), along with augelite, fairfieldite, graftonite, siderite, and scorzalite, suggesting the pieces came from the Palermo mine.
Reference: Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
Zircon
Formula: Zr(SiO4)
Reference: Schooner, Richard. (1958): The Mineralogy of the Portland-East Hampton-Middletown-Haddam Area in Connecticut (With a few notes on Glastonbury and Marlborough). Published by Richard Schooner; Ralph Lieser of Pappy’s Beryl Shop, East Hampton; and Howard Pate of Fluorescent House, Branford, Connecticut.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Bismuthinite2.DB.05Bi2S3
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Becquerelite4.GB.10Ca(UO2)6O4(OH)6 · 8H2O
Columbite-(Fe)4.DB.35Fe2+Nb2O6
Fourmarierite4.GB.25Pb(UO2)4O3(OH)4 · 4H2O
Goethite4.00.α-Fe3+O(OH)
Opal4.DA.10SiO2 · nH2O
var: Opal-AN4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Sillénite ?4.CB.70Bi12SiO20
Uraninite4.DL.05UO2
Vandendriesscheite4.GB.40PbU7O22 · 12H2O
Group 5 - Nitrates and Carbonates
Bismutite5.BE.25(BiO)2CO3
Siderite ?5.AB.05FeCO3
Group 8 - Phosphates, Arsenates and Vanadates
Augelite ?8.BE.05Al2(PO4)(OH)3
Autunite8.EB.05Ca(UO2)2(PO4)2 · 11H2O
Fairfieldite ?8.CG.05Ca2Mn2+(PO4)2 · 2H2O
Fluorapatite8.BN.05Ca5(PO4)3F
Graftonite ?8.AB.20Fe2+Fe2+2(PO4)2
Meta-autunite8.EB.10Ca(UO2)2(PO4)2 · 6-8H2O
Phosphuranylite8.EC.10(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
Scorzalite ?8.BB.40Fe2+Al2(PO4)2(OH)2
Torbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Triphylite8.AB.10LiFe2+PO4
Vivianite ?8.CE.40Fe2+3(PO4)2 · 8H2O
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Almandine9.AD.25Fe2+3Al2(SiO4)3
Annite9.EC.20KFe2+3(AlSi3O10)(OH)2
Beryl9.CJ.05Be3Al2(Si6O18)
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Uranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Gummite'-
'Thorogummite'-(Th,U)(SiO4)1-x(OH)4x

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 2:3
Bismuthinite2.11.2.3Bi2S3
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Sillénite ?4.3.12.1Bi12SiO20
Group 5 - OXIDES CONTAINING URANIUM OR THORIUM
AXO2·xH2O
Uraninite5.1.1.1UO2
AX6O19·xH2O
Becquerelite5.7.1.2Ca(UO2)6O4(OH)6 · 8H2O
AX7O22·xH2O
Vandendriesscheite5.8.1.1PbU7O22 · 12H2O
Miscellaneous
Fourmarierite5.9.2.1Pb(UO2)4O3(OH)4 · 4H2O
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
AB2O6
Columbite-(Fe)8.3.2.2Fe2+Nb2O6
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Siderite ?14.1.1.3FeCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Bismutite16a.3.5.1(BiO)2CO3
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
ABXO4
Triphylite38.1.1.1LiFe2+PO4
(AB)3(XO4)2
Graftonite ?38.3.3.1Fe2+Fe2+2(PO4)2
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Autunite40.2a.1.1Ca(UO2)2(PO4)2 · 11H2O
Fairfieldite ?40.2.2.1Ca2Mn2+(PO4)2 · 2H2O
Meta-autunite40.2a.1.2Ca(UO2)2(PO4)2 · 6-8H2O
Torbernite40.2a.13.1Cu(UO2)2(PO4)2 · 12H2O
A3(XO4)2·xH2O
Vivianite ?40.3.6.1Fe2+3(PO4)2 · 8H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A2(XO4)Zq
Augelite ?41.6.8.1Al2(PO4)(OH)3
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
(AB)3(XO4)2Zq
Scorzalite ?41.10.1.2Fe2+Al2(PO4)2(OH)2
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)5(XO4)2Zq·xH2O
Phosphuranylite42.4.8.1(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Almandine51.4.3a.2Fe2+3Al2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
'Thorogummite'51.5.2.5(Th,U)(SiO4)1-x(OH)4x
Zircon51.5.2.1Zr(SiO4)
Group 53 - NESOSILICATES Insular SiO4 Groups and Other Anions or Complex Cations
Insular SiO4 Groups and Other Anions of Complex Cations with (UO2)
Uranophane53.3.1.2Ca(UO2)2(SiO3OH)2 · 5H2O
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Annite71.2.2b.3KFe2+3(AlSi3O10)(OH)2
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Gummite'-
Opal
var: Opal-AN
-SiO2 · nH2O
Quartz
var: Smoky Quartz
-SiO2

List of minerals for each chemical element

HHydrogen
H BecquereliteCa(UO2)6O4(OH)6 · 8H2O
H TorberniteCu(UO2)2(PO4)2 · 12H2O
H UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
H AutuniteCa(UO2)2(PO4)2 · 11H2O
H VandendriesscheitePbU7O22 · 12H2O
H Phosphuranylite(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
H Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H Opal (var: Opal-AN)SiO2 · nH2O
H FourmarieritePb(UO2)4O3(OH)4 · 4H2O
H Thorogummite(Th,U)(SiO4)1-x(OH)4x
H OpalSiO2 · nH2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H AnniteKFe32+(AlSi3O10)(OH)2
H Goethiteα-Fe3+O(OH)
H ScorzaliteFe2+Al2(PO4)2(OH)2
H AugeliteAl2(PO4)(OH)3
H VivianiteFe32+(PO4)2 · 8H2O
H FairfielditeCa2Mn2+(PO4)2 · 2H2O
LiLithium
Li TriphyliteLiFe2+PO4
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
C Bismutite(BiO)2CO3
C SideriteFeCO3
OOxygen
O UraniniteUO2
O BecquereliteCa(UO2)6O4(OH)6 · 8H2O
O TorberniteCu(UO2)2(PO4)2 · 12H2O
O UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
O BerylBe3Al2(Si6O18)
O AutuniteCa(UO2)2(PO4)2 · 11H2O
O Columbite-(Fe)Fe2+Nb2O6
O VandendriesscheitePbU7O22 · 12H2O
O Phosphuranylite(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
O ZirconZr(SiO4)
O Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O Opal (var: Opal-AN)SiO2 · nH2O
O FourmarieritePb(UO2)4O3(OH)4 · 4H2O
O AlmandineFe32+Al2(SiO4)3
O Thorogummite(Th,U)(SiO4)1-x(OH)4x
O Bismutite(BiO)2CO3
O TriphyliteLiFe2+PO4
O OpalSiO2 · nH2O
O MuscoviteKAl2(AlSi3O10)(OH)2
O AnniteKFe32+(AlSi3O10)(OH)2
O FluorapatiteCa5(PO4)3F
O Quartz (var: Smoky Quartz)SiO2
O Goethiteα-Fe3+O(OH)
O MicroclineK(AlSi3O8)
O QuartzSiO2
O AlbiteNa(AlSi3O8)
O GraftoniteFe2+Fe22+(PO4)2
O ScorzaliteFe2+Al2(PO4)2(OH)2
O AugeliteAl2(PO4)(OH)3
O SideriteFeCO3
O VivianiteFe32+(PO4)2 · 8H2O
O SilléniteBi12SiO20
O FairfielditeCa2Mn2+(PO4)2 · 2H2O
FFluorine
F FluorapatiteCa5(PO4)3F
NaSodium
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Na AlbiteNa(AlSi3O8)
AlAluminium
Al BerylBe3Al2(Si6O18)
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al AlmandineFe32+Al2(SiO4)3
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al AnniteKFe32+(AlSi3O10)(OH)2
Al MicroclineK(AlSi3O8)
Al AlbiteNa(AlSi3O8)
Al ScorzaliteFe2+Al2(PO4)2(OH)2
Al AugeliteAl2(PO4)(OH)3
SiSilicon
Si UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Si BerylBe3Al2(Si6O18)
Si ZirconZr(SiO4)
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si Opal (var: Opal-AN)SiO2 · nH2O
Si AlmandineFe32+Al2(SiO4)3
Si Thorogummite(Th,U)(SiO4)1-x(OH)4x
Si OpalSiO2 · nH2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si AnniteKFe32+(AlSi3O10)(OH)2
Si Quartz (var: Smoky Quartz)SiO2
Si MicroclineK(AlSi3O8)
Si QuartzSiO2
Si AlbiteNa(AlSi3O8)
Si SilléniteBi12SiO20
PPhosphorus
P TorberniteCu(UO2)2(PO4)2 · 12H2O
P AutuniteCa(UO2)2(PO4)2 · 11H2O
P Phosphuranylite(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
P Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
P TriphyliteLiFe2+PO4
P FluorapatiteCa5(PO4)3F
P GraftoniteFe2+Fe22+(PO4)2
P ScorzaliteFe2+Al2(PO4)2(OH)2
P AugeliteAl2(PO4)(OH)3
P VivianiteFe32+(PO4)2 · 8H2O
P FairfielditeCa2Mn2+(PO4)2 · 2H2O
SSulfur
S ChalcopyriteCuFeS2
S PyriteFeS2
S BismuthiniteBi2S3
KPotassium
K Phosphuranylite(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
K MuscoviteKAl2(AlSi3O10)(OH)2
K AnniteKFe32+(AlSi3O10)(OH)2
K MicroclineK(AlSi3O8)
CaCalcium
Ca BecquereliteCa(UO2)6O4(OH)6 · 8H2O
Ca UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Ca AutuniteCa(UO2)2(PO4)2 · 11H2O
Ca Phosphuranylite(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
Ca Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
Ca FluorapatiteCa5(PO4)3F
Ca FairfielditeCa2Mn2+(PO4)2 · 2H2O
MnManganese
Mn FairfielditeCa2Mn2+(PO4)2 · 2H2O
FeIron
Fe Columbite-(Fe)Fe2+Nb2O6
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Fe ChalcopyriteCuFeS2
Fe AlmandineFe32+Al2(SiO4)3
Fe TriphyliteLiFe2+PO4
Fe AnniteKFe32+(AlSi3O10)(OH)2
Fe PyriteFeS2
Fe Goethiteα-Fe3+O(OH)
Fe GraftoniteFe2+Fe22+(PO4)2
Fe ScorzaliteFe2+Al2(PO4)2(OH)2
Fe SideriteFeCO3
Fe VivianiteFe32+(PO4)2 · 8H2O
CuCopper
Cu TorberniteCu(UO2)2(PO4)2 · 12H2O
Cu ChalcopyriteCuFeS2
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Columbite-(Fe)Fe2+Nb2O6
PbLead
Pb VandendriesscheitePbU7O22 · 12H2O
Pb FourmarieritePb(UO2)4O3(OH)4 · 4H2O
BiBismuth
Bi Bismutite(BiO)2CO3
Bi BismuthiniteBi2S3
Bi SilléniteBi12SiO20
ThThorium
Th Thorogummite(Th,U)(SiO4)1-x(OH)4x
UUranium
U UraniniteUO2
U BecquereliteCa(UO2)6O4(OH)6 · 8H2O
U TorberniteCu(UO2)2(PO4)2 · 12H2O
U UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
U AutuniteCa(UO2)2(PO4)2 · 11H2O
U VandendriesscheitePbU7O22 · 12H2O
U Phosphuranylite(H3O)3KCa(UO2)7(PO4)4O4 · 8H2O
U Meta-autuniteCa(UO2)2(PO4)2 · 6-8H2O
U FourmarieritePb(UO2)4O3(OH)4 · 4H2O
U Thorogummite(Th,U)(SiO4)1-x(OH)4x

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Schairer, John F. (1931), Minerals of Connecticut. Connecticut Geological and Natural History Survey Bulletin 51.
Elwell, Wilbur J. (1936), Mineral Collecting by Hydroplane. Rocks and Minerals: 11 (6): 92-93.
Montague, S. A. (1937), Some Mineral Localities Near Portland, Conn. Rocks & Minerals: 12 (5): 145.
Ingerson, Earl. (1938), Uraninite And Associated Minerals From Haddam Neck, Connecticut. American Mineralogist: 23 (4): 269-276.
Little, L. W. (1942), Recent Finds of Minerals in Central Connecticut. Rocks and Minerals.
Schooner, Richard. (1958), The Mineralogy of the Portland-East Hampton-Middletown-Haddam Area in Connecticut (With a few notes on Glastonbury and Marlborough). Published by Richard Schooner; Ralph Lieser of Pappy’s Beryl Shop, East Hampton; and Howard Pate of Fluorescent House, Branford, Connecticut.
Stugard, Frederick, Jr. (1958), Pegmatites of the Middletown Area, Connecticut. USGS Bulletin 1042-Q.
Jones, Robert W. (1960), Luminescent Minerals of Connecticut, A Guide to Their Properties and Locations.
Schooner, Richard. (1961), The Mineralogy of Connecticut. Fluorescent House, Branford, Connecticut.
Januzzi, Ronald E. (1976), Mineral Localities Of Connecticut and Southern New York State. Taylor Associates/Mineralogical Press, Danbury: 234.
Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
Cunningham, Janice and Elizabeth Warner. (1984), Portrait of A River Town: Greater Middletown Preservation Trust.
Weber, Marcelle H. and Earle C. Sullivan. (1995), Connecticut Mineral Locality Index. Rocks & Minerals (Connecticut Issue): 70(6): 403.

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