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!
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Powers Mountain Quarries, Topsham, Sagadahoc County, Maine, USAi
Regional Level Types
Powers Mountain QuarriesGroup of Quarries
TopshamTown
Sagadahoc CountyCounty
MaineState
USACountry

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Latitude & Longitude (WGS84):
43° 59' 22'' North , 69° 56' 20'' West
Latitude & Longitude (decimal):
43.98952,-69.93894
GRN:
N30W37
Type:
Group of Quarries
Köppen climate type:
Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Bowdoinham722 (2017)4.0km
Topsham5,931 (2017)7.5km
Brunswick15,175 (2017)8.6km
Lisbon Falls4,100 (2017)9.8km
Brunswick Station578 (2017)11.4km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Kennebec Rocks and Minerals ClubWinthrop, Maine35km
Maine Mineralogical & Geological SocietyPortland, Maine45km
Mindat Locality ID:
6607
Long-form identifier:
mindat:1:2:6607:8
GUID (UUID V4):
0


Brunswick pegmatite field.

Coordinates are for Powers Mountain.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


4 valid minerals.

Detailed Mineral List:

ⓘ Almandine
Formula: Fe2+3Al2(SiO4)3
ⓘ Microcline
Formula: K(AlSi3O8)
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Quartz
Formula: SiO2

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
Group 9 - Silicates
ⓘAlmandine9.AD.25Fe2+3Al2(SiO4)3
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘMicrocline9.FA.30K(AlSi3O8)

List of minerals for each chemical element

HHydrogen
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
OOxygen
Oⓘ AlmandineFe32+Al2(SiO4)3
Oⓘ MicroclineK(AlSi3O8)
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
AlAluminium
Alⓘ AlmandineFe32+Al2(SiO4)3
Alⓘ MicroclineK(AlSi3O8)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ AlmandineFe32+Al2(SiO4)3
Siⓘ MicroclineK(AlSi3O8)
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
KPotassium
Kⓘ MicroclineK(AlSi3O8)
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
FeIron
Feⓘ AlmandineFe32+Al2(SiO4)3

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.
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