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Lenni, Middletown Township, Delaware County, Pennsylvania, USAi
Regional Level Types
Lenni- not defined -
Middletown TownshipTownship
Delaware CountyCounty
PennsylvaniaState
USACountry

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Latitude & Longitude (WGS84):
39° 53' 38'' North , 75° 26' 51'' West
Latitude & Longitude (decimal):
39.89400,-75.44770
GeoHash:
G#: dr46gnkxm
GRN:
N27W42
KΓΆppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Chester Heights2,626 (2017)2.4km
Lima2,735 (2017)2.7km
Village Green-Green Ridge7,822 (2017)3.9km
Rose Valley949 (2017)5.4km
Media5,363 (2017)5.7km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Tuscarora Lapidary SocietyBrookhaven, Pennsylvania6km
Delaware Mineralogical Society, Inc.Wilmington, Delaware18km
Delaware Valley Paleontological SocietyPhiladelphia, Pennsylvania25km
Philadelphia Mineralogical SocietyPhiladelphia, Pennsylvania25km
Delaware Valley Earth Science SocietyWoodbury, New Jersey26km
Mindat Locality ID:
204214
Long-form identifier:
mindat:1:2:204214:8
GUID (UUID V4):
179936af-1cef-489a-bd20-f1d0f303632c


Outcrops in a railroad, 0.6 km (3/8 mile) east of Lenni Station, in meta-peridotite containing pegmatite. Also, a quarry north of the railroad, 0.55 km (1/3 mile) west of Lenni Station, in Baltimore Gneiss with hydrothermally altered veins.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


11 valid minerals.

Detailed Mineral List:

β“˜ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
β“˜ Albite
Formula: Na(AlSi3O8)
β“˜ Albite var. Albite Moonstone
Formula: Na(AlSi3O8)
β“˜ Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Description: variety sunstone
β“˜ 'Allanite Group'
Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
β“˜ Almandine
Formula: Fe2+3Al2(SiO4)3
β“˜ Anorthite
Formula: Ca(Al2Si2O8)
β“˜ Anorthite var. Labradorite
Formula: (Ca,Na)[Al(Al,Si)Si2O8]
β“˜ 'Apophyllite Group'
Formula: AB4[Si8O22]X · 8H2O
β“˜ 'Asbestos'
β“˜ Calcite
Formula: CaCO3
β“˜ 'Chabazite'
β“˜ 'Chlorite Group'
β“˜ 'Hornblende Root Name Group'
Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
β“˜ Laumontite
Formula: CaAl2Si4O12 · 4H2O
β“˜ Microcline
Formula: K(AlSi3O8)
β“˜ Natrolite
Formula: Na2Al2Si3O10 · 2H2O
β“˜ Orthoclase
Formula: K(AlSi3O8)
Description: also,, varities lennilite and delawarite
β“˜ Orthoclase var. Delawarite
Formula: K(AlSi3O8)
β“˜ Quartz
Formula: SiO2
β“˜ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
β“˜ 'Serpentine Subgroup var. Marmolite'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
β“˜ 'Stilbite Subgroup'
Formula: M6-7[Al8-9Si27-28O72] · nH2O
β“˜ 'Thomsonite Subgroup'
β“˜ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
β“˜Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
Group 9 - Silicates
β“˜Almandine9.AD.25Fe2+3Al2(SiO4)3
β“˜Actinolite9.DE.10β—»Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
β“˜Tremolite9.DE.10β—»Ca2Mg5(Si8O22)(OH)2
β“˜Orthoclase
var. Delawarite		9.FA.30K(AlSi3O8)
β“˜9.FA.30K(AlSi3O8)
β“˜Microcline9.FA.30K(AlSi3O8)
β“˜Albite
var. Oligoclase		9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
β“˜Anorthite9.FA.35Ca(Al2Si2O8)
β“˜Albite
var. Albite Moonstone		9.FA.35Na(AlSi3O8)
β“˜Anorthite
var. Labradorite		9.FA.35(Ca,Na)[Al(Al,Si)Si2O8]
β“˜Albite9.FA.35Na(AlSi3O8)
β“˜Natrolite9.GA.05Na2Al2Si3O10 Β· 2H2O
β“˜Laumontite9.GB.10CaAl2Si4O12 Β· 4H2O
Unclassified
β“˜'Chlorite Group'-
β“˜'Stilbite Subgroup'-M6-7[Al8-9Si27-28O72] Β· nH2O
β“˜'Chabazite'-
β“˜'Hornblende Root Name Group'-β—»Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
β“˜'Serpentine Subgroup
var. Marmolite'		-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
β“˜''-D3[Si2O5](OH)4
β“˜'Asbestos'-
β“˜'Thomsonite Subgroup'-
β“˜'Apophyllite Group'-AB4[Si8O22]X Β· 8H2O
β“˜'Allanite Group'-(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

List of minerals for each chemical element

HHydrogen
Hβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hβ“˜ Apophyllite GroupAB4[Si8O22]X · 8H2O
Hβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Hβ“˜ NatroliteNa2Al2Si3O10 · 2H2O
Hβ“˜ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Hβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hβ“˜ Serpentine Subgroup var. MarmoliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Hβ“˜ Serpentine SubgroupD3[Si2O5](OH)4
Hβ“˜ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
CCarbon
Cβ“˜ CalciteCaCO3
OOxygen
Oβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oβ“˜ AlbiteNa(AlSi3O8)
Oβ“˜ AnorthiteCa(Al2Si2O8)
Oβ“˜ Apophyllite GroupAB4[Si8O22]X · 8H2O
Oβ“˜ AlmandineFe32+Al2(SiO4)3
Oβ“˜ CalciteCaCO3
Oβ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Oβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Oβ“˜ MicroclineK(AlSi3O8)
Oβ“˜ NatroliteNa2Al2Si3O10 · 2H2O
Oβ“˜ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Oβ“˜ OrthoclaseK(AlSi3O8)
Oβ“˜ QuartzSiO2
Oβ“˜ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Oβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oβ“˜ Serpentine Subgroup var. MarmoliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Oβ“˜ Serpentine SubgroupD3[Si2O5](OH)4
Oβ“˜ Albite var. Albite MoonstoneNa(AlSi3O8)
Oβ“˜ Orthoclase var. DelawariteK(AlSi3O8)
Oβ“˜ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
FFluorine
Fβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
NaSodium
Naβ“˜ AlbiteNa(AlSi3O8)
Naβ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Naβ“˜ NatroliteNa2Al2Si3O10 · 2H2O
Naβ“˜ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Naβ“˜ Albite var. Albite MoonstoneNa(AlSi3O8)
MgMagnesium
Mgβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mgβ“˜ Serpentine Subgroup var. MarmoliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
AlAluminium
Alβ“˜ AlbiteNa(AlSi3O8)
Alβ“˜ AnorthiteCa(Al2Si2O8)
Alβ“˜ AlmandineFe32+Al2(SiO4)3
Alβ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Alβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Alβ“˜ MicroclineK(AlSi3O8)
Alβ“˜ NatroliteNa2Al2Si3O10 · 2H2O
Alβ“˜ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Alβ“˜ OrthoclaseK(AlSi3O8)
Alβ“˜ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Alβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Alβ“˜ Serpentine Subgroup var. MarmoliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Alβ“˜ Albite var. Albite MoonstoneNa(AlSi3O8)
Alβ“˜ Orthoclase var. DelawariteK(AlSi3O8)
SiSilicon
Siβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siβ“˜ AlbiteNa(AlSi3O8)
Siβ“˜ AnorthiteCa(Al2Si2O8)
Siβ“˜ Apophyllite GroupAB4[Si8O22]X · 8H2O
Siβ“˜ AlmandineFe32+Al2(SiO4)3
Siβ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Siβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Siβ“˜ MicroclineK(AlSi3O8)
Siβ“˜ NatroliteNa2Al2Si3O10 · 2H2O
Siβ“˜ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Siβ“˜ OrthoclaseK(AlSi3O8)
Siβ“˜ QuartzSiO2
Siβ“˜ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Siβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siβ“˜ Serpentine Subgroup var. MarmoliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Siβ“˜ Serpentine SubgroupD3[Si2O5](OH)4
Siβ“˜ Albite var. Albite MoonstoneNa(AlSi3O8)
Siβ“˜ Orthoclase var. DelawariteK(AlSi3O8)
Siβ“˜ Allanite Group(A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)
ClChlorine
Clβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
KPotassium
Kβ“˜ MicroclineK(AlSi3O8)
Kβ“˜ OrthoclaseK(AlSi3O8)
Kβ“˜ Orthoclase var. DelawariteK(AlSi3O8)
CaCalcium
Caβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caβ“˜ AnorthiteCa(Al2Si2O8)
Caβ“˜ CalciteCaCO3
Caβ“˜ Anorthite var. Labradorite(Ca,Na)[Al(Al,Si)Si2O8]
Caβ“˜ LaumontiteCaAl2Si4O12 · 4H2O
Caβ“˜ Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Caβ“˜ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Caβ“˜ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
MnManganese
Mnβ“˜ Serpentine Subgroup var. MarmoliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
FeIron
Feβ“˜ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feβ“˜ AlmandineFe32+Al2(SiO4)3
Feβ“˜ Serpentine Subgroup var. MarmoliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Niβ“˜ Serpentine Subgroup var. MarmoliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Znβ“˜ Serpentine Subgroup var. MarmoliteD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

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References

Gordon, "Mineralogy of Pennsylvania" 1922 p. 193.
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