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

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08684110017272058896413.jpg
Actinolite

Williamson Trade School, Middletown Township, Delaware County, Pennsylvania, USA
08684110017272058896413.jpg
Actinolite

Williamson Trade School, Middletown Township, Delaware County, Pennsylvania, USA
08684110017272058896413.jpg
Actinolite

Williamson Trade School, Middletown Township, Delaware County, Pennsylvania, USA
Latitude & Longitude (WGS84):
39° 54' 23'' North , 75° 25' 26'' West
Latitude & Longitude (decimal):
39.90639,-75.42389
GRN:
N27W42
Köppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Lima2,735 (2017)1.9km
Media5,363 (2017)3.3km
Rose Valley949 (2017)3.5km
Village Green-Green Ridge7,822 (2017)4.8km
Chester Heights2,626 (2017)4.8km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Tuscarora Lapidary SocietyBrookhaven, Pennsylvania5km
Delaware Mineralogical Society, Inc.Wilmington, Delaware21km
Delaware Valley Paleontological SocietyPhiladelphia, Pennsylvania23km
Philadelphia Mineralogical SocietyPhiladelphia, Pennsylvania23km
Delaware Valley Earth Science SocietyWoodbury, New Jersey24km
Mindat Locality ID:
28776
Long-form identifier:
mindat:1:2:28776:3
GUID (UUID V4):
0


Ref.: Reed, Juliet C. (1976), Annotated Biblio. of Minerals New to the PA List 1965-1974, The Min. Soc. of PA, Inc.: 40; Gordon, Samuel G. (1922), Mineralogy of PA: 88.

Cut on the P. B. & W. R.R., 1/4 mile west of Williamson School Station. Meta-peridotite. Old locality, observations published as early as 1866 by F. A. Genth.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


4 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘChromite4.BB.05Fe2+Cr3+2O4
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
Group 9 - Silicates
ⓘForsterite9.AC.05Mg2SiO4
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Unclassified
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ ChromiteFe2+Cr23+O4
Oⓘ ForsteriteMg2SiO4
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
FFluorine
Fⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ ForsteriteMg2SiO4
AlAluminium
Alⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ ForsteriteMg2SiO4
Siⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
ClChlorine
Clⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ Hornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
CrChromium
Crⓘ ChromiteFe2+Cr23+O4
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ ChromiteFe2+Cr23+O4
Feⓘ MagnetiteFe2+Fe23+O4

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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