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

Bryant Pond Granite quarry, Bryant Pond (Lake Christopher), Woodstock, Oxford County, Maine, USAi
Regional Level Types
Bryant Pond Granite quarryQuarry
Bryant Pond (Lake Christopher)Lake
WoodstockTown
Oxford CountyCounty
MaineState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
44° North , 70° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~1km
Type:
Mindat Locality ID:
7301
Long-form identifier:
mindat:1:2:7301:4
GUID (UUID V4):
0


Igneous & metamorphic vein deposit in diorite (Oxford Pegmatite Field?).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


10 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

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Albite var. Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
Almandine
Formula: Fe2+3Al2(SiO4)3
Calcite
Formula: CaCO3
'Chamosite-Clinochlore Series'
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fluorapatite
Formula: Ca5(PO4)3F
Microcline
Formula: K(AlSi3O8)
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
Titanite
Formula: CaTi(SiO4)O
Zircon
Formula: Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Zircon9.AD.30Zr(SiO4)
Titanite9.AG.15CaTi(SiO4)O
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Microcline9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
var. Oligoclase9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
Unclassified
'Chamosite-Clinochlore Series'-

List of minerals for each chemical element

HHydrogen
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H Chamosite-Clinochlore Series
CCarbon
C CalciteCaCO3
OOxygen
O AlbiteNa(AlSi3O8)
O AlmandineFe32+Al2(SiO4)3
O CalciteCaCO3
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O FluorapatiteCa5(PO4)3F
O MicroclineK(AlSi3O8)
O Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
O QuartzSiO2
O TitaniteCaTi(SiO4)O
O ZirconZr(SiO4)
O Chamosite-Clinochlore Series
FFluorine
F FluorapatiteCa5(PO4)3F
NaSodium
Na AlbiteNa(AlSi3O8)
Na Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
MgMagnesium
Mg Chamosite-Clinochlore Series
AlAluminium
Al AlbiteNa(AlSi3O8)
Al AlmandineFe32+Al2(SiO4)3
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al MicroclineK(AlSi3O8)
Al Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Al Chamosite-Clinochlore Series
SiSilicon
Si AlbiteNa(AlSi3O8)
Si AlmandineFe32+Al2(SiO4)3
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si MicroclineK(AlSi3O8)
Si Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Si QuartzSiO2
Si TitaniteCaTi(SiO4)O
Si ZirconZr(SiO4)
Si Chamosite-Clinochlore Series
PPhosphorus
P FluorapatiteCa5(PO4)3F
SSulfur
S PyriteFeS2
KPotassium
K MicroclineK(AlSi3O8)
CaCalcium
Ca CalciteCaCO3
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca FluorapatiteCa5(PO4)3F
Ca Albite var. Oligoclase(Na,Ca)[Al(Si,Al)Si2O8]
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti TitaniteCaTi(SiO4)O
FeIron
Fe AlmandineFe32+Al2(SiO4)3
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe PyriteFeS2
Fe Chamosite-Clinochlore Series
ZrZirconium
Zr ZirconZr(SiO4)

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.
 
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 14:17:40 Page updated: January 20, 2026 11:25:52
Go to top of page