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Millington Quarry (Morris County Crushed Stone Co. Quarry; Tilcon Quarry), Bernards Township, Somerset Co., New Jersey, USAi
Regional Level Types
Millington Quarry (Morris County Crushed Stone Co. Quarry; Tilcon Quarry)Quarry
Bernards TownshipTownship
Somerset Co.County
New JerseyState
USACountry

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Key
Lock Map
Mineralized amygdaloid at the Millington Quarry circa 1992

Millington Quarry, Bernards Township, Somerset Co., New Jersey, USA
Rock crusher at the Millington Quarry circa 1992

Millington Quarry, Bernards Township, Somerset Co., New Jersey, USA
Mineralized amygdaloid at the Millington Quarry circa 1992

Millington Quarry, Bernards Township, Somerset Co., New Jersey, USA
Rock crusher at the Millington Quarry circa 1992

Millington Quarry, Bernards Township, Somerset Co., New Jersey, USA
Mineralized amygdaloid at the Millington Quarry circa 1992

Millington Quarry, Bernards Township, Somerset Co., New Jersey, USA
Latitude & Longitude (WGS84):
40° 40' North , 74° 31' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Watchung5,916 (2017)6.4km
Warren Township15,311 (2012)6.5km
Berkeley Heights14,179 (2017)6.5km
Bernardsville7,801 (2017)7.3km
Martinsville11,980 (2017)8.1km


Amygdaloidal cavities in the Hook Mountain (Third Watchung) basalt. Quarrying began in 1895, and continued on and off, until the early 1970's. After a period of inactivity, the quarry restarted in 1979. The quarry was mined aggressively producing over 1 million tons/year in many years. From the middle of the 1980's, until early 2007, mineral specimens were found in abundance. The mineralized zone has now been removed, and the pit is currently being refilled with trucked in rock and dirt, for a future housing development.

The Millington Quarry was, scientifically, one of the most interesting of the basalt quarries in the region. Cummings (1985) described how mineral deposition was zoned vertically within amygdaloidal horizons. Subsequent to this publication it became apparent that secondary minerals at Millington (and also at the Chimney Rock Quarry) also exhibited other distinct distribution patterns (Cummings, 1988, 1998) These patterns were directly related to the varying porosity, hydraulic conductivity and glass content of the basalt and the distance of the deposition site from the fluid source in the sediments. They provided strong evidence that mineral deposition did not occur in a stagnant, burial metamorphic environment but resulted from actively circulating fluids moving upward, out of the sediments and through the basalts.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


40 valid minerals.

Detailed Mineral List:

'Albertite'
Reference: John Betts Fine Minerals specimen
Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.
Aerinite
Formula: (Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12]
Reference: Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.
Albite
Formula: Na(AlSi3O8)
Reference: The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 81.
Almandine
Formula: Fe2+3Al2(SiO4)3
Reference: Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.
Analcime
Formula: Na(AlSi2O6) · H2O
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey, Mineralogical Record: 31(5):411.; American Mineralogist (1929) 14: 309-311
Anhydrite
Formula: CaSO4
Reference: Cummings, W. (1985): Mineralization at the Millington Quarry, New Jersey, Rocks & Minerals 60:216.
'Apophyllite'
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.
Babingtonite
Formula: Ca2(Fe,Mn)FeSi5O14(OH)
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 411.
Baryte
Formula: BaSO4
Habit: orthorhombic
Colour: white
Description: Found as isolated crystals on quartz.
Reference: Specimen collected by Frank Imbriacco.
'Bitumen'
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 410.
Calcite
Formula: CaCO3
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 411.
'Chabazite'
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 405.
Chalcanthite
Formula: CuSO4 · 5H2O
Reference: Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.
Chalcopyrite
Formula: CuFeS2
Reference: The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 81.
Chamosite
Formula: (Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Reference: Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.
'Chlorite Group'
Reference: The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 81.
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 411.
Datolite
Formula: CaB(SiO4)(OH)
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 411.
Fluorapophyllite-(K)
Formula: KCa4(Si8O20)(F,OH) · 8H2O
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 405
Galena
Formula: PbS
Reference: [Mineralogical Record 31:399]
Goethite
Formula: α-Fe3+O(OH)
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 411.
Gypsum
Formula: CaSO4 · 2H2O
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 411.
Gypsum var: Selenite
Formula: CaSO4 · 2H2O
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 411.
Hematite
Formula: Fe2O3
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 411.
'Heulandite subgroup'
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 411.
Ilvaite
Formula: CaFe3+Fe2+2(Si2O7)O(OH)
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 410.
Magnesio-riebeckite
Formula: ◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2
Reference: Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.
Marialite
Formula: Na4Al3Si9O24Cl
Reference: Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Reference: Rumrill, James E., Montmorillonite, Saponite, and Natronite from Millington Quarry, Morris Museum Minerlogical Society, Rockhound Register, April 2012, pages 5-6
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 411.; American Mineralogist (1929) 14: 309-311
Nontronite
Formula: Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Reference: Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.
Opal
Formula: SiO2 · nH2O
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 411.
Pectolite
Formula: NaCa2Si3O8(OH)
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 411.
'Petroleum'
Reference: Warren Cummings
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 411.
Pyrite
Formula: FeS2
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 411.
Pyrrhotite
Formula: Fe7S8
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 410.
Quartz
Formula: SiO2
Reference: Kent, B.P. and Butkowski, B. (2000) Minerals of the Millington Quarry, Somerset County, New Jersey, Mineralogical Record: 31: 410.
Quartz var: Agate
Reference: The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 81.
Quartz var: Amethyst
Formula: SiO2
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey, Mineralogical Record: 31(5):410.; Mineralogical Record (1990) 21:203-213
Quartz var: Chalcedony
Formula: SiO2
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 410.
Quartz var: Smoky Quartz
Formula: SiO2
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 410.
Riebeckite
Formula: ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 410.
'Riebeckite Root Name'
Formula: ◻[Na2][Z2+3Fe3+2]Si8O22(OH,F,Cl)2
Reference: Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.
'Riebeckite Root Name var: Crocidolite'
Formula: ◻[Na2][Z2+3Fe3+2]Si8O22(OH,F,Cl)2
Reference: Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.
Saponite
Formula: Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Reference: Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.
Sepiolite
Formula: Mg4(Si6O15)(OH)2 · 6H2O
Reference: Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.
Sphalerite
Formula: ZnS
Reference: [Mineralogical Record 31:399]
Stellerite
Formula: Ca4(Si28Al8)O72 · 28H2O
Stilbite-Ca
Formula: NaCa4[Al9Si27O72] · nH2O
Reference: [Mineralogical Record 31:399]
'Stilbite subgroup'
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 411.
Thomsonite-Ca
Formula: NaCa2[Al5Si5O20] · 6H2O
Reference: Kent, B.P. and Butkowski, B. (2000): Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record, 31: 411.
Todorokite
Formula: (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Reference: Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer:10.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Opal4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
var: Agate4.DA.05SiO2
var: Amethyst4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Todorokite4.DK.10(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anhydrite7.AD.30CaSO4
Baryte7.AD.35BaSO4
Chalcanthite7.CB.20CuSO4 · 5H2O
Gypsum7.CD.40CaSO4 · 2H2O
var: Selenite7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Aerinite9.DB.45(Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12]
Albite9.FA.35Na(AlSi3O8)
Almandine9.AD.25Fe2+3Al2(SiO4)3
Analcime9.GB.05Na(AlSi2O6) · H2O
Augite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
Babingtonite9.DK.05Ca2(Fe,Mn)FeSi5O14(OH)
Chamosite9.EC.55(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Datolite9.AJ.20CaB(SiO4)(OH)
Fluorapophyllite-(K)9.EA.15KCa4(Si8O20)(F,OH) · 8H2O
Ilvaite9.BE.07CaFe3+Fe2+2(Si2O7)O(OH)
Magnesio-riebeckite9.DE.25◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2
Marialite9.FB.15Na4Al3Si9O24Cl
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Nontronite9.EC.40Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Pectolite9.DG.05NaCa2Si3O8(OH)
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Riebeckite9.DE.25◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
Saponite9.EC.45Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Sepiolite9.EE.25Mg4(Si6O15)(OH)2 · 6H2O
Stellerite9.GE.15Ca4(Si28Al8)O72 · 28H2O
Stilbite-Ca9.GE.10NaCa4[Al9Si27O72] · nH2O
Thomsonite-Ca9.GA.10NaCa2[Al5Si5O20] · 6H2O
Unclassified Minerals, Rocks, etc.
'Albertite'-
'Apophyllite'-
'Bitumen'-
'Chabazite'-
'Chlorite Group'-
'Heulandite subgroup'-
'Petroleum'-
'Riebeckite Root Name'-◻[Na2][Z2+3Fe3+2]Si8O22(OH,F,Cl)2
'var: Crocidolite'-◻[Na2][Z2+3Fe3+2]Si8O22(OH,F,Cl)2
'Stilbite subgroup'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 7 - MULTIPLE OXIDES
AB3X7
Todorokite7.8.1.1(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anhydrite28.3.2.1CaSO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Chalcanthite29.6.7.1CuSO4 · 5H2O
Gypsum29.6.3.1CaSO4 · 2H2O
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
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with B in [4] coordination
Datolite54.2.1a.1CaB(SiO4)(OH)
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] and/or >[4] coordination
Ilvaite56.2.3.3CaFe3+Fe2+2(Si2O7)O(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Augite65.1.3a.3(CaxMgyFez)(Mgy1Fez1)Si2O6
Single-Width Unbranched Chains, W=1 with chains P=3
Pectolite65.2.1.4aNaCa2Si3O8(OH)
Single-Width Unbranched Chains, W=1 with chains P=5
Babingtonite65.4.1.2Ca2(Fe,Mn)FeSi5O14(OH)
Group 68 - INOSILICATES Structures with Chains of More Than One Width
Structures with Chains of More Than One Width
Aerinite68.1.3.1(Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12]
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 clays
Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Nontronite71.3.1a.3Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Saponite71.3.1b.2Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Chamosite71.4.1.7(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
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
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 3-, 4-, or 5-membered rings and 8-membered rings
Fluorapophyllite-(K)72.3.1.1KCa4(Si8O20)(F,OH) · 8H2O
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Sepiolite74.3.1b.1Mg4(Si6O15)(OH)2 · 6H2O
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)
Al-Si Framework with other Be/Al/Si frameworks
Marialite76.3.1.1Na4Al3Si9O24Cl
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Natrolite77.1.5.1Na2Al2Si3O10 · 2H2O
Stellerite77.1.4.4Ca4(Si28Al8)O72 · 28H2O
Stilbite-Ca77.1.4.3NaCa4[Al9Si27O72] · nH2O
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Albertite'-
'Apophyllite'-
'Bitumen'-
'Chabazite'-
'Chlorite Group'-
Gypsum
var: Selenite
-CaSO4 · 2H2O
'Heulandite subgroup'-
Magnesio-riebeckite-◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2
'Petroleum'-
Quartz
var: Agate
-SiO2
var: Amethyst-SiO2
var: Chalcedony-SiO2
var: Smoky Quartz-SiO2
Riebeckite-◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2
'Riebeckite Root Name'-◻[Na2][Z2+3Fe3+2]Si8O22(OH,F,Cl)2
'var: Crocidolite'-◻[Na2][Z2+3Fe3+2]Si8O22(OH,F,Cl)2
'Stilbite subgroup'-
Thomsonite-Ca-NaCa2[Al5Si5O20] · 6H2O

List of minerals for each chemical element

HHydrogen
H Goethiteα-Fe3+O(OH)
H Stilbite-CaNaCa4[Al9Si27O72] · nH2O
H DatoliteCaB(SiO4)(OH)
H Riebeckite Root Name (var: Crocidolite)◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
H Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
H StelleriteCa4(Si28Al8)O72 · 28H2O
H AnalcimeNa(AlSi2O6) · H2O
H Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
H Gypsum (var: Selenite)CaSO4 · 2H2O
H Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
H PrehniteCa2Al2Si3O10(OH)2
H PectoliteNaCa2Si3O8(OH)
H OpalSiO2 · nH2O
H NatroliteNa2Al2Si3O10 · 2H2O
H IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
H GypsumCaSO4 · 2H2O
H ClinochloreMg5Al(AlSi3O10)(OH)8
H BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H Aerinite(Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12]
H ChalcanthiteCuSO4 · 5H2O
H Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
H Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
H NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
H SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
H SepioliteMg4(Si6O15)(OH)2 · 6H2O
H Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H Riebeckite Root Name◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
BBoron
B DatoliteCaB(SiO4)(OH)
CCarbon
C CalciteCaCO3
C Aerinite(Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12]
OOxygen
O Goethiteα-Fe3+O(OH)
O Quartz (var: Chalcedony)SiO2
O Stilbite-CaNaCa4[Al9Si27O72] · nH2O
O DatoliteCaB(SiO4)(OH)
O AlbiteNa(AlSi3O8)
O Riebeckite Root Name (var: Crocidolite)◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
O Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
O StelleriteCa4(Si28Al8)O72 · 28H2O
O BaryteBaSO4
O AnhydriteCaSO4
O AnalcimeNa(AlSi2O6) · H2O
O QuartzSiO2
O Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
O Quartz (var: Smoky Quartz)SiO2
O Gypsum (var: Selenite)CaSO4 · 2H2O
O Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
O PrehniteCa2Al2Si3O10(OH)2
O PectoliteNaCa2Si3O8(OH)
O OpalSiO2 · nH2O
O NatroliteNa2Al2Si3O10 · 2H2O
O IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
O HematiteFe2O3
O GypsumCaSO4 · 2H2O
O ClinochloreMg5Al(AlSi3O10)(OH)8
O CalciteCaCO3
O BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
O Quartz (var: Amethyst)SiO2
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O Aerinite(Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12]
O AlmandineFe32+Al2(SiO4)3
O Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
O ChalcanthiteCuSO4 · 5H2O
O Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
O Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
O MarialiteNa4Al3Si9O24Cl
O NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
O SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
O SepioliteMg4(Si6O15)(OH)2 · 6H2O
O Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O Riebeckite Root Name◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
FFluorine
F Riebeckite Root Name (var: Crocidolite)◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
F Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
F Riebeckite Root Name◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
NaSodium
Na Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Na AlbiteNa(AlSi3O8)
Na Riebeckite Root Name (var: Crocidolite)◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
Na AnalcimeNa(AlSi2O6) · H2O
Na Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Na Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Na PectoliteNaCa2Si3O8(OH)
Na NatroliteNa2Al2Si3O10 · 2H2O
Na Aerinite(Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12]
Na Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Na MarialiteNa4Al3Si9O24Cl
Na NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Na SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Na Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Na Riebeckite Root Name◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
MgMagnesium
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg Aerinite(Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12]
Mg Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mg Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Mg Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Mg SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Mg SepioliteMg4(Si6O15)(OH)2 · 6H2O
Mg Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
Al Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Al AlbiteNa(AlSi3O8)
Al StelleriteCa4(Si28Al8)O72 · 28H2O
Al AnalcimeNa(AlSi2O6) · H2O
Al Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Al PrehniteCa2Al2Si3O10(OH)2
Al NatroliteNa2Al2Si3O10 · 2H2O
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al Aerinite(Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12]
Al AlmandineFe32+Al2(SiO4)3
Al Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Al MarialiteNa4Al3Si9O24Cl
Al NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Al SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Al Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
SiSilicon
Si Quartz (var: Chalcedony)SiO2
Si Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Si DatoliteCaB(SiO4)(OH)
Si AlbiteNa(AlSi3O8)
Si Riebeckite Root Name (var: Crocidolite)◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
Si Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Si StelleriteCa4(Si28Al8)O72 · 28H2O
Si AnalcimeNa(AlSi2O6) · H2O
Si QuartzSiO2
Si Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Si Quartz (var: Smoky Quartz)SiO2
Si Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Si PrehniteCa2Al2Si3O10(OH)2
Si PectoliteNaCa2Si3O8(OH)
Si OpalSiO2 · nH2O
Si NatroliteNa2Al2Si3O10 · 2H2O
Si IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
Si Quartz (var: Amethyst)SiO2
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si Aerinite(Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12]
Si AlmandineFe32+Al2(SiO4)3
Si Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Si Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Si Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Si MarialiteNa4Al3Si9O24Cl
Si NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Si SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Si SepioliteMg4(Si6O15)(OH)2 · 6H2O
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si Riebeckite Root Name◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
SSulfur
S SphaleriteZnS
S GalenaPbS
S ChalcopyriteCuFeS2
S BaryteBaSO4
S AnhydriteCaSO4
S Gypsum (var: Selenite)CaSO4 · 2H2O
S PyrrhotiteFe7S8
S PyriteFeS2
S GypsumCaSO4 · 2H2O
S ChalcanthiteCuSO4 · 5H2O
ClChlorine
Cl Riebeckite Root Name (var: Crocidolite)◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
Cl MarialiteNa4Al3Si9O24Cl
Cl Riebeckite Root Name◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
KPotassium
K Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
K Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
CaCalcium
Ca Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Ca DatoliteCaB(SiO4)(OH)
Ca Fluorapophyllite-(K)KCa4(Si8O20)(F,OH) · 8H2O
Ca StelleriteCa4(Si28Al8)O72 · 28H2O
Ca AnhydriteCaSO4
Ca Thomsonite-CaNaCa2[Al5Si5O20] · 6H2O
Ca Gypsum (var: Selenite)CaSO4 · 2H2O
Ca PrehniteCa2Al2Si3O10(OH)2
Ca PectoliteNaCa2Si3O8(OH)
Ca IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
Ca GypsumCaSO4 · 2H2O
Ca CalciteCaCO3
Ca BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca Aerinite(Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12]
Ca Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Ca SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Ca Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
MnManganese
Mn BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
Mn Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
FeIron
Fe Goethiteα-Fe3+O(OH)
Fe ChalcopyriteCuFeS2
Fe Riebeckite Root Name (var: Crocidolite)◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
Fe Riebeckite◻[Na2][Fe32+Fe23+]Si8O22(OH)2
Fe PyrrhotiteFe7S8
Fe PyriteFeS2
Fe IlvaiteCaFe3+Fe22+(Si2O7)O(OH)
Fe HematiteFe2O3
Fe BabingtoniteCa2(Fe,Mn)FeSi5O14(OH)
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe Aerinite(Ca5.1Na0.5)(Fe3+,Al,Fe2+,Mg)4(Al,Mg)6[HSi12O36(OH)12][(CO3)1.2(H2O)12]
Fe AlmandineFe32+Al2(SiO4)3
Fe Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Fe Chamosite(Fe2+,Mg,Al,Fe3+)6(Si,Al)4O10(OH,O)8
Fe Magnesio-riebeckite◻{Na2}{Mg3Fe23+}(Si8O22)(OH)2
Fe NontroniteNa0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Fe SaponiteCa0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Fe Riebeckite Root Name◻[Na2][Z32+Fe23+]Si8O22(OH,F,Cl)2
CuCopper
Cu ChalcopyriteCuFeS2
Cu ChalcanthiteCuSO4 · 5H2O
ZnZinc
Zn SphaleriteZnS
SrStrontium
Sr Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
BaBarium
Ba BaryteBaSO4
Ba Todorokite(Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12 · 3-4H2O
PbLead
Pb GalenaPbS

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Early Jurassic
174.1 - 201.3 Ma



ID: 2881923
Towaco Formation

Age: Early Jurassic (174.1 - 201.3 Ma)

Stratigraphic Name: Towaco Formation

Description: (Olsen, 1980) - Reddish-brown to brownish-purple, fine- to medium-grained micaceous sandstone, siltstone, and silty mudstone in upward-fining sequences 1 to 3 m (3-10 ft) thick. Distributed throughout formation are eight or more sequences of gray to greenish- or brownish-gray, fine-grained sandstone, siltstone and calcareous siltstone and black, microlaminated calcareous siltstone and mudstone containing diagnostic pollen, fish and dinosaur tracks. Sandstone is commonly trough cross laminated; siltstone is commonly planar laminated or bioturbated, but can be indistinctly laminated to massive. Thermally metamorphosed into hornfels where in contact with Hook Mountain Basalt. Conglomerate and conglomeratic sandstone with subrounded quartzite and quartz clasts in matrix of light-red sand to brownish-red silt (Jtc) interfingers with rocks of the Towaco Formation north and west of New Vernon. Maximum thickness is about 380 m (1,250 ft).

Comments: Newark Supergroup, Brunswick Group (Lyttle and Epstein, 1987). Units Jt and Jtc are described together on printed map. The units were split into separate records and appropriate descriptions for each were used. Original map source: Dalton, R.F., Herman, G.C., Monteverde, D.H., Pristas, R.S., Sugarman, P.J., and Volkert, R.A., 1999, New Jersey Department of Environmental Protection, Bedrock Geology and Topographic Base Maps of New Jersey: New Jersey Geological Survey CD Series CD 00

Lithology: Major:{sandstone,siltstone mudstone}, Minor:{siltstone}, Incidental:{conglomerate}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Triassic
201.3 - 251.902 Ma



ID: 3187774
Mesozoic intrusive rocks

Age: Triassic (201.3 - 251.902 Ma)

Comments: Newark Graben System; Newark-Delaware Basin

Lithology: Intrusive igneous rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Mineral Industry of New Jersey (1926): 9.
Manchester, J.G. (1931) The Minerals of New York City and Its Environs. New York Mineralogical Club Bulletin: 3-81.
Cummings, W. (1985) Mineralization at the Millington Quarry, New Jersey. Rocks & Minerals: 60: 213-218.
Cummings, W. L. (1988), The Role of Sedimentary Connate Brines in the Mineralization of the Watchung Basalts- In Husch, J.M. and Hozik, M.J., Eds., Geology of the Central Newark Basin, Field Guide and Proceedings, Geological Association of New Jersey, fifth Annual Meeting: 135–147.
Tschernich, R. (1992) Zeolites of the World, 67 p.
Becker, M. (1998) Recent Mineral Finds at the Millington Quarry, Somerset County, New Jersey. Rocks & Minerals: 73: 320-324.
Cummings, W. L. (1998), Geology of the Chimney Rock Copper Occurrence, A Deposit Typical of the Watchung Basalts- In Puffer, J.H. Ed., The Economic Geology of Central New Jersey, Field Guide and Proceedings, Geological Association of New Jersey, fifteenth Annual Meeting: 29–49.
Cummings, W. (1999) Letters to the Editor, Millington Quarry. Rocks & Minerals: 74-149.
Kent, B.P. and Butkowski, B. (2000) Minerals of the Millington Quarry, Somerset County, New Jersey. Mineralogical Record: 31: 399-411.
Maertens, J. (2007) Collecting Minerals at Tilcon's Millington Quarry. The Tilcon Times, Summer: 9-10: 26.
Wilson, W. (2007) Millington New Jersey. Mineralogical Record: 38: 230-232.


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