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West Branch pegmatite, Newark, New Castle County, Delaware, USAi
Regional Level Types
West Branch pegmatitePegmatite
NewarkCity
New Castle CountyCounty
DelawareState
USACountry

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Latitude & Longitude (WGS84):
39° 41' 45'' North , 75° 46' 31'' West
Latitude & Longitude (decimal):
39.69602,-75.77551
GeoHash:
G#: dr41gdmyn
GRN:
N27W42
Type:
Pegmatite
KΓΆppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Newark33,817 (2017)2.6km
Brookside14,353 (2011)5.3km
Pike Creek7,898 (2011)7.2km
Pike Creek Valley11,217 (2011)8.0km
North Star7,980 (2011)8.7km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Delaware Mineralogical Society, Inc.Wilmington, Delaware20km
Tuscarora Lapidary SocietyBrookhaven, Pennsylvania39km
Mindat Locality ID:
8352
Long-form identifier:
mindat:1:2:8352:5
GUID (UUID V4):
2201315e-f3e1-40d1-a19f-75cfd29f6dd7


Basement and utility excavation for housing on East Mill Station Drive in the development of
West Branch. All excavations are currently filled and built upon so further collecting is impossible.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


6 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Gallery:

NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)β“˜ Schorl

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
β“˜Quartz4.DA.05SiO2
Group 9 - Silicates
β“˜Spessartine9.AD.25Mn2+3Al2(SiO4)3
β“˜Beryl9.CJ.05Be3Al2(Si6O18)
β“˜Schorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
β“˜Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
β“˜Microcline9.FA.30K(AlSi3O8)

List of minerals for each chemical element

HHydrogen
Hβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Beβ“˜ BerylBe3Al2(Si6O18)
BBoron
Bβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
Oβ“˜ BerylBe3Al2(Si6O18)
Oβ“˜ MicroclineK(AlSi3O8)
Oβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oβ“˜ QuartzSiO2
Oβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oβ“˜ SpessartineMn32+Al2(SiO4)3
NaSodium
Naβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Alβ“˜ BerylBe3Al2(Si6O18)
Alβ“˜ MicroclineK(AlSi3O8)
Alβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alβ“˜ SpessartineMn32+Al2(SiO4)3
SiSilicon
Siβ“˜ BerylBe3Al2(Si6O18)
Siβ“˜ MicroclineK(AlSi3O8)
Siβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siβ“˜ QuartzSiO2
Siβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siβ“˜ SpessartineMn32+Al2(SiO4)3
KPotassium
Kβ“˜ MicroclineK(AlSi3O8)
Kβ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
MnManganese
Mnβ“˜ SpessartineMn32+Al2(SiO4)3
FeIron
Feβ“˜ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Delaware Geological Survey (2000) Report of Investigations No. 59.
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