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

Hatch Farm prospect, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USAi
Regional Level Types
Hatch Farm prospectProspect
East Mount Apatite Mining DistrictMining District
AuburnCity
Androscoggin CountyCounty
MaineState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
44° 5' 4'' North , 70° 17' 42'' West
Latitude & Longitude (decimal):
Nearest Settlements:
PlacePopulationDistance
Minot2,337 (2017)2.0km
Auburn22,871 (2017)5.3km
Lewiston36,202 (2017)6.6km
Mechanic Falls2,237 (2017)8.3km
Poland5,314 (2017)8.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Oxford County Mineral and Gem AssociationBethel, Maine23km
Kennebec Rocks and Minerals ClubWinthrop, Maine35km
Maine Mineralogical & Geological SocietyPortland, Maine48km
Mindat Locality ID:
6192
Long-form identifier:
mindat:1:2:6192:9
GUID (UUID V4):
0


Granite pegmatite. Eastern Mount Apatite District. Oxford pegmatite field.

The first green tourmaline was found in 1868 (cut to a 2-carat gemstone). In situ tourmalines were first found in 1883 from an excavation 20x8 feet and 8 feet deep. Produced about 1500 crystals ranging in size from 1 cm to 10.5 cm.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


10 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Beryl
Formula: Be3Al2(Si6O18)
Cookeite
Formula: (LiAl4◻)[AlSi3O10](OH)8
Elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Fluorapatite
Formula: Ca5(PO4)3F
'Lepidolite'
Microcline
Formula: K(AlSi3O8)
Montebrasite
Formula: LiAl(PO4)(OH)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Quartz
Formula: SiO2
Quartz var. Citrine ?
Formula: SiO2
Quartz var. Smoky Quartz
Formula: SiO2
References:
Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz
var. Citrine ?
4.DA.05SiO2
4.DA.05SiO2
var. Smoky Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Montebrasite8.BB.05LiAl(PO4)(OH)
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Beryl9.CJ.05Be3Al2(Si6O18)
Elbaite9.CK.05Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Schorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Cookeite9.EC.55(LiAl4◻)[AlSi3O10](OH)8
Microcline9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
Unclassified
'Lepidolite'-

List of minerals for each chemical element

HHydrogen
H Cookeite(LiAl4◻)[AlSi3O10](OH)8
H ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
H MontebrasiteLiAl(PO4)(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
LiLithium
Li Cookeite(LiAl4◻)[AlSi3O10](OH)8
Li ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Li MontebrasiteLiAl(PO4)(OH)
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
B SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
O AlbiteNa(AlSi3O8)
O BerylBe3Al2(Si6O18)
O Quartz var. CitrineSiO2
O Cookeite(LiAl4◻)[AlSi3O10](OH)8
O ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
O FluorapatiteCa5(PO4)3F
O MicroclineK(AlSi3O8)
O MontebrasiteLiAl(PO4)(OH)
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
O Quartz var. Smoky QuartzSiO2
FFluorine
F FluorapatiteCa5(PO4)3F
NaSodium
Na AlbiteNa(AlSi3O8)
Na ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Na SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
AlAluminium
Al AlbiteNa(AlSi3O8)
Al BerylBe3Al2(Si6O18)
Al Cookeite(LiAl4◻)[AlSi3O10](OH)8
Al ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Al MicroclineK(AlSi3O8)
Al MontebrasiteLiAl(PO4)(OH)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
SiSilicon
Si AlbiteNa(AlSi3O8)
Si BerylBe3Al2(Si6O18)
Si Quartz var. CitrineSiO2
Si Cookeite(LiAl4◻)[AlSi3O10](OH)8
Si ElbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Si Quartz var. Smoky QuartzSiO2
PPhosphorus
P FluorapatiteCa5(PO4)3F
P MontebrasiteLiAl(PO4)(OH)
KPotassium
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca FluorapatiteCa5(PO4)3F
FeIron
Fe SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)

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 04:41:50 Page updated: January 16, 2026 08:45:14
Go to top of page