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Earl Township, Lancaster Co., Pennsylvania, USAi
Regional Level Types
Earl TownshipTownship
Lancaster Co.County
PennsylvaniaState
USACountry

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Key
Latitude & Longitude (WGS84):
40° 6' 51'' North , 76° 5' 45'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:



An incorporated township.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

15 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Analcime
Formula: Na(AlSi2O6) · H2O
Baryte
Formula: BaSO4
Reference: www.delminsociety.net/fieldtrips/burkholder.htm
Calcite
Formula: CaCO3
Celestine
Formula: SrSO4
Habit: Prisms
Colour: pale yellow and blue, lusterous
Reference: Mineralogy of Pennsylvania 1966-1976; Smith, Robert C. II, pgs 242-47
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
Dolomite
Formula: CaMg(CO3)2
Habit: saddle-back crystals, massive
Colour: white to pale pink
Description: ocassional association with pyrite micro-crystals
Reference: Mineralogy of Pennsylvania 1966-1976; Smith, Robert C. II, pgs 242-47
Fluorite
Formula: CaF2
Goethite
Formula: α-Fe3+O(OH)
Reference: Steve Sorrell Collection
Gypsum
Formula: CaSO4 · 2H2O
Reference: Mineralogy of Pennsylvania 1966-1976; Smith, Robert C. II, pgs 242-47
Gypsum var: Selenite
Formula: CaSO4 · 2H2O
Reference: Mineralogy of Pennsylvania 1966-1976; Smith, Robert C. II, pgs 242-47
Hematite
Formula: Fe2O3
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Collection of Rod Martin
Pyrite
Formula: FeS2
Habit: Cubic crystals, somewhat elongated. larger crystals frequently complex
Colour: Silver, metalic luster
Description: large cubic crystals in phyllite rock, scattered micro-crystals present in dolomitic veins/cavities within limestone.
Reference: Mineral collecting in Pennsylvania - 1965, Lapham, Geyer Pgs. 88-89
Quartz
Formula: SiO2
Reference: Mineralogy of Pennsylvania 1966-1976; Smith, Robert C. II, pgs 242-47
Rutile
Formula: TiO2
Habit: prisms
Colour: yellow-brown
Description: Uncommon
Reference: Mineral collecting in Pennsylvania - 1965, Lapham, Geyer Pgs. 88-89. Mineralogy of Pennsylvania 1966-1976; Smith, Robert C. II, pgs 242-47
Strontianite
Formula: SrCO3
Habit: tufts of acicular crystals (up to 7mm)
Colour: white
Fluorescence: pale cream color, brief pale bluish-green phosphorescence
Reference: Mineralogy of Pennsylvania 1966-1976; Smith, Robert C. II, pgs 242-47

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Malachite5.BA.10Cu2(CO3)(OH)2
Strontianite5.AB.15SrCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Celestine7.AD.35SrSO4
Gypsum7.CD.40CaSO4 · 2H2O
var: Selenite7.CD.40CaSO4 · 2H2O
Group 9 - Silicates
Analcime9.GB.05Na(AlSi2O6) · H2O
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-

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 = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Rutile4.4.1.1TiO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Strontianite14.1.3.3SrCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Celestine28.3.1.2SrSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Analcime77.1.1.1Na(AlSi2O6) · H2O
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
Gypsum
var: Selenite
-CaSO4 · 2H2O

List of minerals for each chemical element

HHydrogen
H AnalcimeNa(AlSi2O6) · H2O
H Gypsum (var: Selenite)CaSO4 · 2H2O
H MalachiteCu2(CO3)(OH)2
H Goethiteα-Fe3+O(OH)
H GypsumCaSO4 · 2H2O
CCarbon
C CalciteCaCO3
C StrontianiteSrCO3
C DolomiteCaMg(CO3)2
C MalachiteCu2(CO3)(OH)2
OOxygen
O CalciteCaCO3
O AnalcimeNa(AlSi2O6) · H2O
O RutileTiO2
O CelestineSrSO4
O StrontianiteSrCO3
O DolomiteCaMg(CO3)2
O Gypsum (var: Selenite)CaSO4 · 2H2O
O QuartzSiO2
O MalachiteCu2(CO3)(OH)2
O BaryteBaSO4
O HematiteFe2O3
O Goethiteα-Fe3+O(OH)
O GypsumCaSO4 · 2H2O
FFluorine
F FluoriteCaF2
NaSodium
Na AnalcimeNa(AlSi2O6) · H2O
MgMagnesium
Mg DolomiteCaMg(CO3)2
AlAluminium
Al AnalcimeNa(AlSi2O6) · H2O
SiSilicon
Si AnalcimeNa(AlSi2O6) · H2O
Si QuartzSiO2
SSulfur
S PyriteFeS2
S CelestineSrSO4
S Gypsum (var: Selenite)CaSO4 · 2H2O
S BaryteBaSO4
S ChalcopyriteCuFeS2
S GypsumCaSO4 · 2H2O
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca Gypsum (var: Selenite)CaSO4 · 2H2O
Ca FluoriteCaF2
Ca GypsumCaSO4 · 2H2O
TiTitanium
Ti RutileTiO2
FeIron
Fe PyriteFeS2
Fe HematiteFe2O3
Fe ChalcopyriteCuFeS2
Fe Goethiteα-Fe3+O(OH)
CuCopper
Cu MalachiteCu2(CO3)(OH)2
Cu ChalcopyriteCuFeS2
SrStrontium
Sr CelestineSrSO4
Sr StrontianiteSrCO3
BaBarium
Ba BaryteBaSO4

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