Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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

Staples Quarry, Topsham, Sagadahoc County, Maine, USAi
Regional Level Types
Staples QuarryQuarry (Flooded)
TopshamTown
Sagadahoc CountyCounty
MaineState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
43° 57' 46'' North , 69° 57' 3'' West
Latitude & Longitude (decimal):
Type:
Quarry (Flooded) - last checked 2022
Nearest Settlements:
PlacePopulationDistance
Topsham5,931 (2017)4.4km
Brunswick15,175 (2017)5.5km
Bowdoinham722 (2017)6.7km
Brunswick Station578 (2017)8.6km
Lisbon Falls4,100 (2017)9.5km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Kennebec Rocks and Minerals ClubWinthrop, Maine38km
Maine Mineralogical & Geological SocietyPortland, Maine42km
Mindat Locality ID:
6592
Long-form identifier:
mindat:1:2:6592:7
GUID (UUID V4):
0
Other/historical names associated with this locality:
Alice Staples Quarry


Brunswick pegmatite field.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


16 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Almandine
Formula: Fe2+3Al2(SiO4)3
Autunite
Formula: Ca(UO2)2(PO4)2 · 10-12H2O
Beryl
Formula: Be3Al2(Si6O18)
Columbite-(Fe)
Formula: Fe2+Nb2O6
Gahnite
Formula: ZnAl2O4
Microcline
Formula: K(AlSi3O8)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Phosphuranylite
Formula: KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Quartz
Formula: SiO2
Schoepite
Formula: (UO2)8O2(OH)12 · 12H2O
Sphalerite
Formula: ZnS
Colour: black
Torbernite
Formula: Cu(UO2)2(PO4)2 · 12H2O
Uraninite
Formula: UO2
Uranophane
Formula: Ca(UO2)2(SiO3OH)2 · 5H2O
Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Sphalerite2.CB.05aZnS
Group 4 - Oxides and Hydroxides
Gahnite4.BB.05ZnAl2O4
Quartz4.DA.05SiO2
Columbite-(Fe)4.DB.35Fe2+Nb2O6
Uraninite4.DL.05UO2
Schoepite4.GA.05(UO2)8O2(OH)12 · 12H2O
Group 8 - Phosphates, Arsenates and Vanadates
Autunite8.EB.05Ca(UO2)2(PO4)2 · 10-12H2O
Torbernite8.EB.05Cu(UO2)2(PO4)2 · 12H2O
Phosphuranylite8.EC.10KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Zircon9.AD.30Zr(SiO4)
Uranophane9.AK.15Ca(UO2)2(SiO3OH)2 · 5H2O
Beryl9.CJ.05Be3Al2(Si6O18)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Microcline9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)

List of minerals for each chemical element

HHydrogen
H AutuniteCa(UO2)2(PO4)2 · 10-12H2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
H Schoepite(UO2)8O2(OH)12 · 12H2O
H TorberniteCu(UO2)2(PO4)2 · 12H2O
H UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
BeBeryllium
Be BerylBe3Al2(Si6O18)
OOxygen
O AlbiteNa(AlSi3O8)
O AutuniteCa(UO2)2(PO4)2 · 10-12H2O
O AlmandineFe32+Al2(SiO4)3
O BerylBe3Al2(Si6O18)
O Columbite-(Fe)Fe2+Nb2O6
O GahniteZnAl2O4
O MicroclineK(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
O QuartzSiO2
O Schoepite(UO2)8O2(OH)12 · 12H2O
O TorberniteCu(UO2)2(PO4)2 · 12H2O
O UraniniteUO2
O UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
O ZirconZr(SiO4)
NaSodium
Na AlbiteNa(AlSi3O8)
AlAluminium
Al AlbiteNa(AlSi3O8)
Al AlmandineFe32+Al2(SiO4)3
Al BerylBe3Al2(Si6O18)
Al GahniteZnAl2O4
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si AlbiteNa(AlSi3O8)
Si AlmandineFe32+Al2(SiO4)3
Si BerylBe3Al2(Si6O18)
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
Si ZirconZr(SiO4)
PPhosphorus
P AutuniteCa(UO2)2(PO4)2 · 10-12H2O
P PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
P TorberniteCu(UO2)2(PO4)2 · 12H2O
SSulfur
S SphaleriteZnS
KPotassium
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
K PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
CaCalcium
Ca AutuniteCa(UO2)2(PO4)2 · 10-12H2O
Ca PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
Ca UranophaneCa(UO2)2(SiO3OH)2 · 5H2O
FeIron
Fe AlmandineFe32+Al2(SiO4)3
Fe Columbite-(Fe)Fe2+Nb2O6
CuCopper
Cu TorberniteCu(UO2)2(PO4)2 · 12H2O
ZnZinc
Zn GahniteZnAl2O4
Zn SphaleriteZnS
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Columbite-(Fe)Fe2+Nb2O6
UUranium
U AutuniteCa(UO2)2(PO4)2 · 10-12H2O
U PhosphuranyliteKCa(H3O)3(UO2)7(PO4)4O4 · 8H2O
U Schoepite(UO2)8O2(OH)12 · 12H2O
U TorberniteCu(UO2)2(PO4)2 · 12H2O
U UraniniteUO2
U UranophaneCa(UO2)2(SiO3OH)2 · 5H2O

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 3, 2026 15:37:44 Page updated: January 28, 2026 15:18:40
Go to top of page