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Interstate 84 road cuts (Route 6A bypass), Newtown, Fairfield County, Connecticut, USAi
Regional Level Types
Interstate 84 road cuts (Route 6A bypass)Group of Road Cuttings
Newtown- not defined -
Fairfield CountyCounty
ConnecticutState
USACountry

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Key
Latitude & Longitude (WGS84):
41° 25' 4'' North , 73° 17' 27'' West
Latitude & Longitude (decimal):
Locality type:
Group of Road Cuttings
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Newtown1,967 (2017)1.1km
Heritage Village3,736 (2017)8.7km
Southbury19,836 (2017)9.6km
Bethel9,549 (2017)11.5km
Danbury84,657 (2017)13.8km


Blasting for the redevelopment of the former Route 6A bypass into Interstate 84 revealed a variety of minerals. The cuts were in the vicinity of current Interchange 10.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


22 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Kevin Czaja Collection, Ex: Marcelle Weber Coll
Anatase
Formula: TiO2
Reference: Rocks & Minerals (1995) 70:396-409
'Apophyllite'
Reference: Kevin Czaja Collection, Ex: Marcelle Weber Coll: m4512, m351 respectively
Calcite
Formula: CaCO3
Reference: Tschernich, R. (1992): Zeolites of the World, p.114; Rocks & Minerals (1995) 70:396-409
'Chabazite'
Habit: rhombohedra to 5mm across
Colour: golden to red
Reference: Tschernich, R. (1992): Zeolites of the World, p.114; Rocks & Minerals (1995) 70:396-409
Chabazite-Ca
Formula: (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Habit: rhombohedral
Colour: yellow, yellow-orange to red
Description: Generally small (<5mm) crystals in fractures.
Reference: Harold Moritz collection; Tschernich, R. (1992): Zeolites of the World, p.114; Rocks & Minerals (1995) 70:396-409
'Chlorite Group'
Reference: Rocks & Minerals (1995) 70:396-409
Corundum
Formula: Al2O3
Reference: Former Ronald Januzzi collection
Corundum var: Sapphire
Formula: Al2O3
Habit: anhedral
Colour: bluish-black
Description: "This anhedral sapphire was found on Interstate 84 west in Newtown, Connecticut. The specimen is bluish-black in color and embedded in kyanite. As far as the author is aware very few specimens were ever collected.", Januzzi (1994).
Reference: Former Ronald Januzzi collection; Januzzi, Ronald E. (1994), Mineral Data Book - Western Connecticut and Environs. The Mineralogical Press, Danbury, Connecticut.
Diopside
Formula: CaMgSi2O6
Habit: Blocky prismatic
Colour: Dark green
Description: Subhedral crystals in quartz to 5 cm long.
Reference: former Ronald Januzzi collection
Fluorapatite
Formula: Ca5(PO4)3F
Colour: very pale olive
Description: Crystals and grains in kyanite-rich rock, with rutile and muscovite.
Reference: Former Ronald Januzzi collection
Heulandite-Ca
Formula: (Ca,Na)5(Si27Al9)O72 · 26H2O
Habit: parallel-growth aggregates of tapered crystals
Colour: colorless
Description: Mostly micro crystals with pearly luster. Species based on multiple EDS analyses of heulandites from all over Connecticut, which are all heulandite-Ca.
Reference: Tschernich, R. (1992): Zeolites of the World, p.114; Rocks & Minerals (1995) 70:396-409
Ilmenite
Formula: Fe2+TiO3
Reference: Rocks & Minerals (1995) 70:396-409
Kyanite
Formula: Al2(SiO4)O
Reference: Rocks & Minerals (1995) 70:396-409
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: Tschernich, R. (1992): Zeolites of the World, p.114
Monazite-(Ce)
Formula: Ce(PO4)
Reference: Van Kin
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Former Ronald Januzzi collection
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Habit: acicular
Colour: white
Reference: Tschernich, R. (1992): Zeolites of the World, p.114; Rocks & Minerals (1995) 70:396-409
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Habit: botryoidal aggregates of tabular crystals
Colour: colorless
Description: Micro aggregates are rather coarse, grading into piles of individual crystals.
Reference: Eric Quinter collection
Pyrite
Formula: FeS2
Reference: Rocks & Minerals (1995) 70:396-409
Quartz
Formula: SiO2
Reference: Rocks & Minerals (1995) 70:396-409
Rutile
Formula: TiO2
Reference: Rocks & Minerals (1995) 70:396-409
Sillimanite
Formula: Al2(SiO4)O
Reference: Rocks & Minerals (1995) 70:396-409
Staurolite
Formula: Fe2+2Al9Si4O23(OH)
Reference: Rocks & Minerals (1995) 70:396-409
Stilbite-Ca
Formula: NaCa4[Al9Si27O72] · nH2O
Habit: radiating balls, wheat sheaves
Colour: opaque salmon; yellow-white to yellow orange
Description: Small crystals in fractures in metamorphic rocks, with calcite, chabazite-Ca and heulandite-Ca.
Reference: Tschernich, Rudy. (1992), Zeolites of the World: 114.; Weber, Marcelle H. and Earle C. Sullivan. (1995), Connecticut Mineral Locality Index, Rocks & Minerals (Connecticut Issue): 70(6): 397.
Titanite
Formula: CaTi(SiO4)O
Reference: Kevin Czaja Collection, Ex: Marcelle Weber Coll: m4512, m351 respectively

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Anatase4.DD.05TiO2
Corundum4.CB.05Al2O3
var: Sapphire4.CB.05Al2O3
Ilmenite4.CB.05Fe2+TiO3
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Monazite-(Ce)8.AD.50Ce(PO4)
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Chabazite-Ca9.GD.10(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Diopside9.DA.15CaMgSi2O6
Heulandite-Ca9.GE.05(Ca,Na)5(Si27Al9)O72 · 26H2O
Kyanite9.AF.15Al2(SiO4)O
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Sillimanite9.AF.05Al2(SiO4)O
Staurolite9.AF.30Fe2+2Al9Si4O23(OH)
Stilbite-Ca9.GE.10NaCa4[Al9Si27O72] · nH2O
Titanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Apophyllite'-
'Chabazite'-
'Chlorite Group'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Anatase4.4.4.1TiO2
Rutile4.4.1.1TiO2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
AXO4
Monazite-(Ce)38.4.3.1Ce(PO4)
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Kyanite52.2.2c.1Al2(SiO4)O
Sillimanite52.2.2a.1Al2(SiO4)O
Staurolite52.2.3.1Fe2+2Al9Si4O23(OH)
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-membered rings
Prehnite72.1.3.1Ca2Al2Si3O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Chabazite-Ca77.1.2.1(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Heulandite-Ca77.1.4.1(Ca,Na)5(Si27Al9)O72 · 26H2O
Laumontite77.1.1.4CaAl2Si4O12 · 4H2O
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Stilbite-Ca77.1.4.3NaCa4[Al9Si27O72] · nH2O
Unclassified Minerals, Mixtures, etc.
'Apophyllite'-
'Chabazite'-
'Chlorite Group'-
Corundum
var: Sapphire
-Al2O3

List of minerals for each chemical element

HHydrogen
H Stilbite-CaNaCa4[Al9Si27O72] · nH2O
H LaumontiteCaAl2Si4O12 · 4H2O
H Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
H NatroliteNa2Al2Si3O10 · 2H2O
H StauroliteFe22+Al9Si4O23(OH)
H PrehniteCa2Al2Si3O10(OH)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
CCarbon
C CalciteCaCO3
OOxygen
O CalciteCaCO3
O Stilbite-CaNaCa4[Al9Si27O72] · nH2O
O LaumontiteCaAl2Si4O12 · 4H2O
O Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
O NatroliteNa2Al2Si3O10 · 2H2O
O AnataseTiO2
O IlmeniteFe2+TiO3
O KyaniteAl2(SiO4)O
O QuartzSiO2
O RutileTiO2
O SillimaniteAl2(SiO4)O
O StauroliteFe22+Al9Si4O23(OH)
O PrehniteCa2Al2Si3O10(OH)2
O TitaniteCaTi(SiO4)O
O AlbiteNa(AlSi3O8)
O Monazite-(Ce)Ce(PO4)
O MuscoviteKAl2(AlSi3O10)(OH)2
O CorundumAl2O3
O Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
O DiopsideCaMgSi2O6
O FluorapatiteCa5(PO4)3F
O Corundum (var: Sapphire)Al2O3
FFluorine
F FluorapatiteCa5(PO4)3F
NaSodium
Na Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Na Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Na NatroliteNa2Al2Si3O10 · 2H2O
Na AlbiteNa(AlSi3O8)
Na Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
MgMagnesium
Mg DiopsideCaMgSi2O6
AlAluminium
Al Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Al LaumontiteCaAl2Si4O12 · 4H2O
Al Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Al NatroliteNa2Al2Si3O10 · 2H2O
Al KyaniteAl2(SiO4)O
Al SillimaniteAl2(SiO4)O
Al StauroliteFe22+Al9Si4O23(OH)
Al PrehniteCa2Al2Si3O10(OH)2
Al AlbiteNa(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al CorundumAl2O3
Al Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Al Corundum (var: Sapphire)Al2O3
SiSilicon
Si Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Si LaumontiteCaAl2Si4O12 · 4H2O
Si Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Si NatroliteNa2Al2Si3O10 · 2H2O
Si KyaniteAl2(SiO4)O
Si QuartzSiO2
Si SillimaniteAl2(SiO4)O
Si StauroliteFe22+Al9Si4O23(OH)
Si PrehniteCa2Al2Si3O10(OH)2
Si TitaniteCaTi(SiO4)O
Si AlbiteNa(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Si DiopsideCaMgSi2O6
PPhosphorus
P Monazite-(Ce)Ce(PO4)
P FluorapatiteCa5(PO4)3F
SSulfur
S PyriteFeS2
KPotassium
K Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca CalciteCaCO3
Ca Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Ca LaumontiteCaAl2Si4O12 · 4H2O
Ca Chabazite-Ca(Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O
Ca PrehniteCa2Al2Si3O10(OH)2
Ca TitaniteCaTi(SiO4)O
Ca Heulandite-Ca(Ca,Na)5(Si27Al9)O72 · 26H2O
Ca DiopsideCaMgSi2O6
Ca FluorapatiteCa5(PO4)3F
TiTitanium
Ti AnataseTiO2
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe IlmeniteFe2+TiO3
Fe PyriteFeS2
Fe StauroliteFe22+Al9Si4O23(OH)
CeCerium
Ce Monazite-(Ce)Ce(PO4)

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Tschernich, Rudy. (1992), Zeolites of the World: 114.
Henderson, William A. (1995). Microminerals of Connecticut, Rocks & Minerals: 70: 420-421.
Rocks & Minerals (1995): 70: 396-409.

Other Regions, Features and Areas containg this locality

North America PlateTectonic Plate

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