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Kibblehouse Quarry, Perkiomenville, Marlborough Township, Montgomery Co., Pennsylvania, USAi
Regional Level Types
Kibblehouse QuarryQuarry
Perkiomenville- not defined -
Marlborough TownshipTownship
Montgomery Co.County
PennsylvaniaState
USACountry

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Key
Latitude & Longitude (WGS84):
40° 19' 24'' North , 75° 28' 12'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Green Lane500 (2017)1.5km
Woxall1,318 (2017)2.3km
Spring Mount2,259 (2017)5.4km
Red Hill2,383 (2017)5.6km
Schwenksville1,398 (2017)7.5km


A stone quarry originally owned by Mr. R.K. Kibblehouse.

The Kibblehouse Quarry is excavated in hornfels, thermally metamorphosed mudrocks, on the western flank of the Sassamansville anticline. The stratigraphic section exposed in the quarry is just above the Perkasie member, a prominent black lacustrian unit in the middle Passaic formation, and just below the Sassamansville diabase sill. The rocks were originally predominantly red sediments but are now very dark maroon to nearly black. A subordinate number of beds were less iron-rich and, in some cases, more calcareous. These lithologies are now shades of brownish or greenish gray.

Because little of the sediment exposed in the quarry was very calcareous and because it was beneath the diabase it was not as severely altered as some hornfels in the Newark Basin. There are no “spotted slates”. Most of the changes are more subtle and include recrystallization of the hematite pigment to specularite or, much less commonly, magnetite. Recrystallization of the clay minerals is also a major change. However, most of the secondary minerals postdate the recrystallization of the rock to hornfels and result from subsequent hydrothermal circulation.

Intrusion of diabase imposed a steep thermal gradient in the nearby sediments. This gradient drove convective circulation of connate formation brines. Because of the low permeability of the Passaic formation mudstones and hornfels fluid circulation was focused into the available network of fractures. At Kibblehouse Quarry the mineral assemblages in fracture filling veins reflect a wide range of temperature.

Although Kibblehouse Quarry has long been Pennsylvania’s best known locality for zeolite minerals it also became known, in the 1970’s, for cobaltite and other related sulphides. These minerals were restricted to a single bed that was greenish gray and quite flinty and occurred as sharply euhedral crystals both in veins and replacing the hornfels. Cobaltite has been found elsewhere in the region. Cobaltite, in pyrite, was widespread at the Cornwall and Grace iron mines. Because of the association of cobalt and the diabase some writers have proposed the diabase as the likely source of the cobalt. However, much of the secondary mineral deposition in the Newark Basin involved connate formation brines and distinctly postdates the period of volcanism and intrusion that occurred at the very beginning of the Jurassic, circa 201 Ma.

Redbed type copper deposits are common in the Newark Basin. The metal concentrating processes that leach copper from the sediment and produce redbed copper ores can also concentrate and transport other metals including cobalt and nickel (Rose and Bianchi-Mosquera, 1993). For several reasons the sediments are a much more likely source of metals than the diabase. It is likely that the principal role of the diabase was to provide the heat to drive fluid circulation.



Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Mineral List


35 valid minerals. 1 erroneous literature entry.

Detailed Mineral List:

Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22OH2
Reference: Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania; Rocks & Min.: 22: 803-804.
Albite
Formula: Na(AlSi3O8)
Habit: Massive, microscopic grains in hornfels
Reference: A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
Alloclasite
Formula: Co1-xFexAsS
Reference: Handbook of Mineralogy
Andradite
Formula: Ca3Fe3+2(SiO4)3
Habit: typical, occasionally exhibit striated faces
Colour: clove to reddish brown
Reference: A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
Aragonite
Formula: CaCO3
Reference: Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania
Arsenopyrite
Formula: FeAsS
Habit: diamond shaped plates
Colour: silvery
Description: uncommon, small silvery diamond shaped plates in hornfels with traces of brown sphalerite.
Reference: A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
Axinite-(Fe)
Formula: Ca2Fe2+Al2BSi4O15OH
Reference: Reed, Juliet C. (1976), Annotated Biblio. of Minerals New to the PA List 1965-1974, The Min. Soc. of PA, Inc.: 39; Thomas, Charles (Nov, 1952), "Micros, What and Where," Keystone Newsletter; Montgomery, A. (Oct, 1968), PM(70), Keystone Newsletter; Montgom
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
Baryte
Formula: BaSO4
Reference: Sloto, Ronald A. (2019) The Mines and Minerals of Montgomery County, Pennsylvania (analyzed by author, SEM-EDS) As white blades associated with stilbite-stellerite.
Calcite
Formula: CaCO3
Reference: Rocks & Min.: 10: 111; 16:136-137; 17:341; 22: 803-804.
'Chabazite'
Reference: Rocks & Min.: 10: 111; 16:136-137; 17:341; 22: 803-804.
Chalcopyrite
Formula: CuFeS2
Habit: small brassy grains, some crystals
Reference: A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192 Rocks & Min.: 10: 111; 16:136-137; 17:341..
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Habit: Small masses
Colour: blue-green
Reference: A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
Cobaltite
Formula: CoAsS
Habit: Octahedrons and Cubo-octahedrons (Gyer, Smith Barnnes); Pyritohedrons (W. Cummings)
Colour: Bright Sivlery
Description: Bright silvery Octahedrons and Cubo-octahedrons as small crystals in green grey hornfels, larger crystals up to 1/4 inch in calcite veins from the North-West wall. A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192 Occurs as small pyritohedral crystals embedded in diabase matrix. Collected personally by Warren Cummings.
Reference: Warren Cummings, Geologist; Reed, Juliet C. (1976), Annotated Biblio. of Minerals New to the PA List 1965-1974, The Min. Soc. of PA, Inc.: 19 & 25-26; Lapham, Davis M. & Barnes, John H. (1971), "Unusual Mins. Found in PA," PA Geol., Vol 2(6): 2-3; Montgom A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
Copper
Formula: Cu
Habit: small sheets & masses
Description: Uncommon, small sheets and masses in Hornfels.
Reference: A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
Corrensite
Formula: (Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Reference: Collection of NHM, Vienna
Datolite
Formula: CaB(SiO4)(OH)
Colour: very pale green with glassy luster
Reference: A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
Diopside
Formula: CaMgSi2O6
Reference: A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Rocks & Min.: 10: 111; 22: 803-804.
Erythrite
Formula: Co3(AsO4)2 · 8H2O
Habit: coatings (with cobaltite)
Colour: pink
Reference: A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
Fluorite
Formula: CaF2
Habit: small purple crystals
Reference: A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania
Glaucodot
Formula: (Co0.50Fe0.50)AsS
Habit: very small, deeply striated prisms
Reference: Reed, Juliet C. (1976), Annotated Biblio. of Minerals New to the PA List 1965-1974, The Min. Soc. of PA, Inc.: 44-45; Montgomery, A. (Jan & Oct, 1974), PM(133) & (142); Grant, Raymond W. (1974), "PA Min. Species as of Aug, 1974," PM (141).; A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
'Heulandite'
Habit: twinned crystals
Colour: colorless to yellowish
Reference: Rocks & Min.: 10: 111; 22: 803-804. A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
'Limonite'
Reference: Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Rocks & Min.: 16:136-137; 17:341; 22: 803-804.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania
Marialite
Formula: Na4Al3Si9O24Cl
Reference: Reed, Juliet C. (1976), Annotated Biblio. of Minerals New to the PA List 1965-1974, The Min. Soc. of PA, Inc.: 19 & 25-26, 39, 44-45, 54; Montgomery, Arthur (Jul & Aug, 1973) PA Mins. (PM), PM(127) & (128).
Montmorillonite
Formula: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Reference: Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania
Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: Rocks & Min.: 16:136-137; 17:341; 22: 803-804.
Orthoclase
Formula: K(AlSi3O8)
Reference: A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Habit: clear/colorless, stubby rectangular crystals, tabular crystals and green to grey cleavages (with heulandite or cobaltite)
Reference: A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
'Pumpellyite'
Habit: crystal prisms in calcite
Colour: pale sea-green
Reference: A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
Pyrite
Formula: FeS2
Reference: Rocks & Min.: 10: 111; 16:136-137; 17:341; 22: 803-804.
Pyrolusite ?
Formula: Mn4+O2
Reference: Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania
Quartz
Formula: SiO2
Reference: Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania
Sphalerite
Formula: ZnS
Habit: tiny cleavages in hornfels
Colour: red-brown
Reference: A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
Stellerite
Formula: Ca4(Si28Al8)O72 · 28H2O
Description: Confirmed by chemical analysis in the Ron Sloto reference. Sloto also reports that stilbite-Ca and stellerite cannot be distinguished visibly, analysis is required.
Reference: Bill Lorah - PA collector/dealer. Ronald A. Sloto (2019) The Mines and Minerals of Montgomery County, Pennsylvania, ISBN 9781093158038
Stilbite-Ca
Formula: NaCa4[Al9Si27O72] · nH2O
Description: Analysis reported by Sloto range from near end-member stellerite to stilbite-Ca, no Stilbite-Na occurs at locality. Sloto also reports that stilbite-Ca and stellerite cannot be distinguished visibly, analysis is required.
Reference: Ronald A. Sloto (2019) The Mines and Minerals of Montgomery County, Pennsylvania, ISBN 9781093158038
Stilbite-Na
Formula: (Na,Ca,K)6-7[Al8Si28O72] · nH2O
Description: Analysis reported by Sloto range from near end-member Stilbite-Ca to Stellerite, no Stilbite-Na occurs at locality
Reference: Rocks & Min.: 10:111; 16:136-137; 17:341; 22: 803-804. Ronald A. Sloto (2019) The Mines and Minerals of Montgomery County, Pennsylvania, ISBN 9781093158038
'Stilbite subgroup'
Formula: M6-7[Al8-9Si27-28O72] · nH2O
Reference: Lapham & Geyer, 1965. Mineral Collecting in Pennsylvania

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
Alloclasite2.EB.10bCo1-xFexAsS
Arsenopyrite2.EB.20FeAsS
Chalcopyrite2.CB.10aCuFeS2
Cobaltite2.EB.25CoAsS
Glaucodot2.EB.10c(Co0.50Fe0.50)AsS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Pyrolusite ?4.DB.05Mn4+O2
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Azurite5.BA.05Cu3(CO3)2(OH)2
Calcite5.AB.05CaCO3
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
Erythrite8.CE.40Co3(AsO4)2 · 8H2O
Group 9 - Silicates
Actinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22OH2
Albite9.FA.35Na(AlSi3O8)
Andradite9.AD.25Ca3Fe3+2(SiO4)3
Axinite-(Fe)9.BD.20Ca2Fe2+Al2BSi4O15OH
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Clinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Corrensite9.EC.60(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Datolite9.AJ.20CaB(SiO4)(OH)
Diopside9.DA.15CaMgSi2O6
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Marialite9.FB.15Na4Al3Si9O24Cl
Montmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Natrolite9.GA.05Na2Al2Si3O10 · 2H2O
Orthoclase9.FA.30K(AlSi3O8)
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Stellerite9.GE.15Ca4(Si28Al8)O72 · 28H2O
Stilbite-Ca9.GE.10NaCa4[Al9Si27O72] · nH2O
Stilbite-Na ?9.GE.10(Na,Ca,K)6-7[Al8Si28O72] · nH2O
Unclassified Minerals, Rocks, etc.
'Chabazite'-
'Garnet Group'-X3Z2(SiO4)3
'Heulandite'-
'Limonite'-
'Pumpellyite'-
'Stilbite subgroup'-M6-7[Al8-9Si27-28O72] · nH2O

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Group 2 - SULFIDES
AmXp, with m:p = 1:1
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Alloclasite2.12.6.2Co1-xFexAsS
Arsenopyrite2.12.4.1FeAsS
Cobaltite2.12.3.1CoAsS
Glaucodot2.12.6.1(Co0.50Fe0.50)AsS
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
AX2
Pyrolusite ?4.4.1.4Mn4+O2
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
A3(XO4)2·xH2O
Erythrite40.3.6.3Co3(AsO4)2 · 8H2O
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Andradite51.4.3b.1Ca3Fe3+2(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
Axinite-(Fe)56.2.2.1Ca2Fe2+Al2BSi4O15OH
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
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 clays
Montmorillonite71.3.1a.2(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Sheets of 6-membered rings interlayered 1:1, 2:1, and octahedra
Clinochlore71.4.1.4Mg5Al(AlSi3O10)(OH)8
Corrensite71.4.2.5(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
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 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
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)
Orthoclase76.1.1.1K(AlSi3O8)
Al-Si Framework with other Be/Al/Si frameworks
Marialite76.3.1.1Na4Al3Si9O24Cl
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
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)Si8O22OH2
Aragonite-CaCO3
'Chabazite'-
'Garnet Group'-X3Z2(SiO4)3
'Heulandite'-
'Limonite'-
'Pumpellyite'-
'Stilbite subgroup'-M6-7[Al8-9Si27-28O72] · nH2O
Stilbite-Na ?-(Na,Ca,K)6-7[Al8Si28O72] · nH2O

List of minerals for each chemical element

HHydrogen
H Stilbite-CaNaCa4[Al9Si27O72] · nH2O
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
H NatroliteNa2Al2Si3O10 · 2H2O
H ClinochloreMg5Al(AlSi3O10)(OH)8
H StelleriteCa4(Si28Al8)O72 · 28H2O
H Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22OH2
H MalachiteCu2(CO3)(OH)2
H Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
H Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
H Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
H Stilbite subgroupM6-7[Al8-9Si27-28O72] · nH2O
H AzuriteCu3(CO3)2(OH)2
H DatoliteCaB(SiO4)(OH)
H PrehniteCa2Al2Si3O10(OH)2
H ErythriteCo3(AsO4)2 · 8H2O
H Stilbite-Na(Na,Ca,K)6-7[Al8Si28O72] · nH2O
BBoron
B Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
B DatoliteCaB(SiO4)(OH)
CCarbon
C CalciteCaCO3
C AragoniteCaCO3
C MalachiteCu2(CO3)(OH)2
C AzuriteCu3(CO3)2(OH)2
OOxygen
O Stilbite-CaNaCa4[Al9Si27O72] · nH2O
O CalciteCaCO3
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
O NatroliteNa2Al2Si3O10 · 2H2O
O ClinochloreMg5Al(AlSi3O10)(OH)8
O StelleriteCa4(Si28Al8)O72 · 28H2O
O AragoniteCaCO3
O Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22OH2
O Garnet GroupX3Z2(SiO4)3
O MalachiteCu2(CO3)(OH)2
O Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
O QuartzSiO2
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
O MagnetiteFe2+Fe23+O4
O Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
O MarialiteNa4Al3Si9O24Cl
O Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
O Stilbite subgroupM6-7[Al8-9Si27-28O72] · nH2O
O AndraditeCa3Fe23+(SiO4)3
O AzuriteCu3(CO3)2(OH)2
O DatoliteCaB(SiO4)(OH)
O DiopsideCaMgSi2O6
O OrthoclaseK(AlSi3O8)
O PrehniteCa2Al2Si3O10(OH)2
O BaryteBaSO4
O ErythriteCo3(AsO4)2 · 8H2O
O AlbiteNa(AlSi3O8)
O PyrolusiteMn4+O2
O Stilbite-Na(Na,Ca,K)6-7[Al8Si28O72] · nH2O
FFluorine
F FluoriteCaF2
NaSodium
Na Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Na NatroliteNa2Al2Si3O10 · 2H2O
Na Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Na MarialiteNa4Al3Si9O24Cl
Na AlbiteNa(AlSi3O8)
Na Stilbite-Na(Na,Ca,K)6-7[Al8Si28O72] · nH2O
MgMagnesium
Mg ClinochloreMg5Al(AlSi3O10)(OH)8
Mg Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22OH2
Mg Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Mg Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Mg DiopsideCaMgSi2O6
AlAluminium
Al Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Al NatroliteNa2Al2Si3O10 · 2H2O
Al ClinochloreMg5Al(AlSi3O10)(OH)8
Al StelleriteCa4(Si28Al8)O72 · 28H2O
Al Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Al Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Al MarialiteNa4Al3Si9O24Cl
Al Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Al Stilbite subgroupM6-7[Al8-9Si27-28O72] · nH2O
Al OrthoclaseK(AlSi3O8)
Al PrehniteCa2Al2Si3O10(OH)2
Al AlbiteNa(AlSi3O8)
Al Stilbite-Na(Na,Ca,K)6-7[Al8Si28O72] · nH2O
SiSilicon
Si Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Si NatroliteNa2Al2Si3O10 · 2H2O
Si ClinochloreMg5Al(AlSi3O10)(OH)8
Si StelleriteCa4(Si28Al8)O72 · 28H2O
Si Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22OH2
Si Garnet GroupX3Z2(SiO4)3
Si Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Si QuartzSiO2
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Si Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Si MarialiteNa4Al3Si9O24Cl
Si Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Si Stilbite subgroupM6-7[Al8-9Si27-28O72] · nH2O
Si AndraditeCa3Fe23+(SiO4)3
Si DatoliteCaB(SiO4)(OH)
Si DiopsideCaMgSi2O6
Si OrthoclaseK(AlSi3O8)
Si PrehniteCa2Al2Si3O10(OH)2
Si AlbiteNa(AlSi3O8)
Si Stilbite-Na(Na,Ca,K)6-7[Al8Si28O72] · nH2O
SSulfur
S PyriteFeS2
S CobaltiteCoAsS
S Glaucodot(Co0.50Fe0.50)AsS
S AlloclasiteCo1-xFexAsS
S ArsenopyriteFeAsS
S BaryteBaSO4
S ChalcopyriteCuFeS2
S SphaleriteZnS
ClChlorine
Cl MarialiteNa4Al3Si9O24Cl
KPotassium
K OrthoclaseK(AlSi3O8)
K Stilbite-Na(Na,Ca,K)6-7[Al8Si28O72] · nH2O
CaCalcium
Ca Stilbite-CaNaCa4[Al9Si27O72] · nH2O
Ca CalciteCaCO3
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Ca StelleriteCa4(Si28Al8)O72 · 28H2O
Ca AragoniteCaCO3
Ca Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22OH2
Ca FluoriteCaF2
Ca Montmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Ca Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Ca AndraditeCa3Fe23+(SiO4)3
Ca DatoliteCaB(SiO4)(OH)
Ca DiopsideCaMgSi2O6
Ca PrehniteCa2Al2Si3O10(OH)2
Ca Stilbite-Na(Na,Ca,K)6-7[Al8Si28O72] · nH2O
MnManganese
Mn PyrolusiteMn4+O2
FeIron
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Fe PyriteFeS2
Fe Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22OH2
Fe MagnetiteFe2+Fe23+O4
Fe Axinite-(Fe)Ca2Fe2+Al2BSi4O15OH
Fe Glaucodot(Co0.50Fe0.50)AsS
Fe Corrensite(Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O
Fe AlloclasiteCo1-xFexAsS
Fe AndraditeCa3Fe23+(SiO4)3
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
CoCobalt
Co CobaltiteCoAsS
Co Glaucodot(Co0.50Fe0.50)AsS
Co AlloclasiteCo1-xFexAsS
Co ErythriteCo3(AsO4)2 · 8H2O
CuCopper
Cu CopperCu
Cu MalachiteCu2(CO3)(OH)2
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Cu AzuriteCu3(CO3)2(OH)2
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
AsArsenic
As CobaltiteCoAsS
As Glaucodot(Co0.50Fe0.50)AsS
As AlloclasiteCo1-xFexAsS
As ArsenopyriteFeAsS
As ErythriteCo3(AsO4)2 · 8H2O
BaBarium
Ba BaryteBaSO4

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Thomas, Charles (Nov, 1952), "Micros, What and Where," Keystone Newsletter.
Lapham & Geyer (1965) Mineral Collecting in Pennsylvania.
Montgomery, A. (Oct, 1968), Pennsylvania Minerals (70), Keystone Newsletter.
Lapham, Davis M. & Barnes, John H. (1971), "Unusual Minerals Found in Pennsylvania," Pennsylvania Geology, Vol 2(6): 2-3.
Grant, R.W. (Jul, 1972) Pennsylvania Minerals (115) Keystone Newsletter.
Montgomery, A. (Jun 1972), "Pennsylvania Minerals," (PM)(114), Keystone Newsletter (KN).
Montgomery, A. (Jun, 1973), Pennsylvania Minerals (126).
Montgomery, Arthur (Jul & Aug, 1973) Pennsylvania Minerals (PM), PM (127) & (128).
Grant, Raymond W. (1974), "Pennsylvania Mineral Species as of August, 1974," Pennsylvania Minerals (141).
Montgomery, A. (Jan & Oct, 1974), Pennsylvania Minerals (133) & (142).
Reed, Juliet C. (1976), Annotated Bibliography of Minerals New to the Pennsylvania List 1965-1974, The Mineralogical Society of Pennsylvania, Inc.: 19 & 25-26, 39, 44-45, 54.
A. Geyer, R. Smith III, J. Barnes (1976) Mineral collecting in Pennsylvania: 189-192
Rocks & Minerals: 10: 111.
Rocks & Minerals: 16: 136-137.
Rose, A.W. and Bianchi-Mosquera, G.C., 1993, Adsorption of Cu, Pb, Zn, Co, Ni and Ag on Goethite and Hematite: Control on Metal Mobilization from Red Beds into Stratiform Copper Deposits, Economic Geology, V. 88, p. 1226 – 1236.
Rocks & Minerals: 17: 341.
Rocks & Minerals: 22: 803-804.
Warren Cummings, Geologist, New Jersey Department of Transportation (pers. comm. C. Lemanski - 2001).
Sloto, Ronald A. (2019) The Mines and Minerals of Montgomery County, Pennsylvania (Independently published), 110-126.
Sloto, Ronald A. (2019) The Mines and Minerals of Montgomery County, Pennsylvania (Independently published), 92-103.

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