Vote for your favorite mineral in #MinCup26! - Azurite vs. Smithsonite
It's carbonate-vs-carbonate to kick off Mineral Cup 2026 with copper-rich Azurite against zinc-rich Smithsonite.
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Safe Harbor Quarry, Safe Harbor, Conestoga Township, Lancaster County, Pennsylvania, USAi
Regional Level Types
Safe Harbor QuarryQuarry
Safe HarborUnincorporated Community
Conestoga TownshipTownship
Lancaster CountyCounty
PennsylvaniaState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
39° 55' 48'' North , 76° 22' 32'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Conestoga1,258 (2017)2.8km
Millersville8,420 (2017)7.8km
Willow Street7,578 (2017)10.1km
Washington Boro729 (2017)10.4km
Refton298 (2017)12.3km
Mindat Locality ID:
27680
Long-form identifier:
mindat:1:2:27680:0
GUID (UUID V4):
0


A quarry in the Antietam Formation (Cambrian), Vintage Dolomite (Cambrian) and Antietam Schist (Cambrian), intruded by diabase (Triassic).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


12 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Anatase
Formula: TiO2
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Calcite
Formula: CaCO3
'Chlorite Group'
'Chlorophyllite'
Cordierite
Formula: Mg2Al4Si5O18
Dolomite
Formula: CaMg(CO3)2
Forsterite
Formula: Mg2SiO4
Hercynite
Formula: Fe2+Al2O4
Orthoclase
Formula: K(AlSi3O8)
'Pinite'
Quartz
Formula: SiO2
Rutile
Formula: TiO2
Sillimanite
Formula: Al2(SiO4)O
Titanite
Formula: CaTi(SiO4)O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Hercynite4.BB.05Fe2+Al2O4
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Anatase4.DD.05TiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Group 9 - Silicates
Forsterite9.AC.05Mg2SiO4
Sillimanite9.AF.05Al2(SiO4)O
Titanite9.AG.15CaTi(SiO4)O
Cordierite9.CJ.10Mg2Al4Si5O18
Orthoclase9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Chlorophyllite'-
'Chlorite Group'-
'Pinite'-

List of minerals for each chemical element

HHydrogen
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
OOxygen
O AlbiteNa(AlSi3O8)
O AnataseTiO2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O CalciteCaCO3
O CordieriteMg2Al4Si5O18
O DolomiteCaMg(CO3)2
O ForsteriteMg2SiO4
O HercyniteFe2+Al2O4
O OrthoclaseK(AlSi3O8)
O QuartzSiO2
O RutileTiO2
O SillimaniteAl2(SiO4)O
O TitaniteCaTi(SiO4)O
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg CordieriteMg2Al4Si5O18
Mg DolomiteCaMg(CO3)2
Mg ForsteriteMg2SiO4
AlAluminium
Al AlbiteNa(AlSi3O8)
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al CordieriteMg2Al4Si5O18
Al HercyniteFe2+Al2O4
Al OrthoclaseK(AlSi3O8)
Al SillimaniteAl2(SiO4)O
SiSilicon
Si AlbiteNa(AlSi3O8)
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si CordieriteMg2Al4Si5O18
Si ForsteriteMg2SiO4
Si OrthoclaseK(AlSi3O8)
Si QuartzSiO2
Si SillimaniteAl2(SiO4)O
Si TitaniteCaTi(SiO4)O
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K OrthoclaseK(AlSi3O8)
CaCalcium
Ca CalciteCaCO3
Ca DolomiteCaMg(CO3)2
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti AnataseTiO2
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
FeIron
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe HercyniteFe2+Al2O4

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

 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 1, 2026 11:00:39 Page updated: October 14, 2025 09:45:13
Go to top of page