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Castle Rock, Edgemont Township, Delaware County, Pennsylvania, USAi
Regional Level Types
Castle RockVillage
Edgemont TownshipTownship
Delaware CountyCounty
PennsylvaniaState
USACountry

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08552050017272058896264.jpg
Enstatite

Castle Rock, Edgemont Township, Delaware County, Pennsylvania, USA
08552050017272058896264.jpg
Enstatite

Castle Rock, Edgemont Township, Delaware County, Pennsylvania, USA
08552050017272058896264.jpg
Enstatite

Castle Rock, Edgemont Township, Delaware County, Pennsylvania, USA
Latitude & Longitude (WGS84):
39° 58' 22'' North , 75° 26' 26'' West
Latitude & Longitude (decimal):
39.97278,-75.44056
GeoHash:
G#: dr477kcf7
GRN:
N27W42
Type:
Village
Köppen climate type:
Cfa : Humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Lima2,735 (2017)6.2km
Broomall10,789 (2017)7.2km
Media5,363 (2017)7.7km
Berwyn3,631 (2017)8.0km
Paoli5,575 (2017)8.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Tuscarora Lapidary SocietyBrookhaven, Pennsylvania13km
Delaware Valley Paleontological SocietyPhiladelphia, Pennsylvania24km
Philadelphia Mineralogical SocietyPhiladelphia, Pennsylvania24km
Delaware Mineralogical Society, Inc.Wilmington, Delaware27km
Delaware Valley Earth Science SocietyWoodbury, New Jersey29km
Mindat Locality ID:
28775
Long-form identifier:
mindat:1:2:28775:4
GUID (UUID V4):
0


On the Philadelphia-West Chester Turnpike, just west of Crum Creek.

Pyroxenite and meta-peridotite.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


6 valid minerals.

Detailed Mineral List:

ⓘ Anthophyllite
Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘ Enstatite
Formula: Mg2Si2O6
ⓘ Forsterite
Formula: Mg2SiO4
Description: Occurs as grains in peridotite (Precambrian of Early Paleozoic).
ⓘ 'Hypersthene'
Formula: (Mg,Fe)SiO3
ⓘ 'Limonite'
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
ⓘ 'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4
ⓘ Talc
Formula: Mg3Si4O10(OH)2
ⓘ Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz
var. Chalcedony		4.DA.05SiO2
ⓘ4.DA.05SiO2
Group 9 - Silicates
ⓘForsterite9.AC.05Mg2SiO4
ⓘEnstatite9.DA.05Mg2Si2O6
ⓘAnthophyllite9.DD.05◻{Mg2}{Mg5}(Si8O22)(OH)2
ⓘTremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
ⓘTalc9.EC.05Mg3Si4O10(OH)2
Unclassified
ⓘ'Hypersthene'-(Mg,Fe)SiO3
ⓘ'Limonite'-
ⓘ'Serpentine Subgroup'-D3[Si2O5](OH)4

List of minerals for each chemical element

HHydrogen
Hⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Hⓘ TalcMg3Si4O10(OH)2
Hⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Hⓘ Serpentine SubgroupD3[Si2O5](OH)4
OOxygen
Oⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ EnstatiteMg2Si2O6
Oⓘ ForsteriteMg2SiO4
Oⓘ Hypersthene(Mg,Fe)SiO3
Oⓘ QuartzSiO2
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Oⓘ Serpentine SubgroupD3[Si2O5](OH)4
MgMagnesium
Mgⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Mgⓘ EnstatiteMg2Si2O6
Mgⓘ ForsteriteMg2SiO4
Mgⓘ Hypersthene(Mg,Fe)SiO3
Mgⓘ TalcMg3Si4O10(OH)2
Mgⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
SiSilicon
Siⓘ Anthophyllite◻{Mg2}{Mg5}(Si8O22)(OH)2
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ EnstatiteMg2Si2O6
Siⓘ ForsteriteMg2SiO4
Siⓘ Hypersthene(Mg,Fe)SiO3
Siⓘ QuartzSiO2
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
Siⓘ Serpentine SubgroupD3[Si2O5](OH)4
CaCalcium
Caⓘ Tremolite◻Ca2Mg5(Si8O22)(OH)2
FeIron
Feⓘ Hypersthene(Mg,Fe)SiO3

Other Regions, Features and Areas containing this locality

North AmericaContinent
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

Gordon, Samuel G. (1922) The Mineralogy of Pennsylvania. Special Publication 1. The Academy of Natural Sciences of Philadelphia p.188
Reed, Juliet C. (1976) Annotated Bibliography of Minerals New to the Pennsylvania List 1965-1974. The Mineralogical Society of Pennsylvania, Inc.: 40.
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