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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LaChance Quarry, Brunswick, Cumberland County, Maine, USAi
Regional Level Types
LaChance QuarryQuarry
BrunswickTown
Cumberland CountyCounty
MaineState
USACountry

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Latitude & Longitude (WGS84):
43° 53' 5'' North , 70° 2' 26'' West
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Freeport1,485 (2017)5.9km
Brunswick15,175 (2017)6.9km
Topsham5,931 (2017)7.0km
Brunswick Station578 (2017)8.6km
Harpswell Center5,281 (2017)10.3km
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
ClubLocationDistance
Maine Mineralogical & Geological SocietyPortland, Maine31km
Kennebec Rocks and Minerals ClubWinthrop, Maine47km
Mindat Locality ID:
6042
Long-form identifier:
mindat:1:2:6042:7
GUID (UUID V4):
0


Granite pegmatite. Brunswick pegmatite field.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


9 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)
Almandine
Formula: Fe2+3Al2(SiO4)3
Beryl
Formula: Be3Al2(Si6O18)
Beryl var. Aquamarine
Formula: Be3Al2Si6O18
Beryl var. Heliodor
Formula: Be3Al2(Si6O18)
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Columbite-(Fe)
Formula: Fe2+Nb2O6
Fluorapatite
Formula: Ca5(PO4)3F
Microcline
Formula: K(AlSi3O8)
'Microlite Group'
Formula: A2-mTa2X6-wZ-n
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Quartz
Formula: SiO2
Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Microlite Group'4.00.A2-mTa2X6-wZ-n
Quartz4.DA.05SiO2
Columbite-(Fe)4.DB.35Fe2+Nb2O6
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Beryl
var. Aquamarine
9.CJ.05Be3Al2Si6O18
9.CJ.05Be3Al2(Si6O18)
var. Heliodor9.CJ.05Be3Al2(Si6O18)
Schorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Microcline9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
Unclassified
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

List of minerals for each chemical element

HHydrogen
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H MuscoviteKAl2(AlSi3O10)(OH)2
H SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
BeBeryllium
Be Beryl var. AquamarineBe3Al2Si6O18
Be BerylBe3Al2(Si6O18)
Be Beryl var. HeliodorBe3Al2(Si6O18)
BBoron
B SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
O AlbiteNa(AlSi3O8)
O Beryl var. AquamarineBe3Al2Si6O18
O AlmandineFe32+Al2(SiO4)3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O BerylBe3Al2(Si6O18)
O Columbite-(Fe)Fe2+Nb2O6
O FluorapatiteCa5(PO4)3F
O MicroclineK(AlSi3O8)
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
O Beryl var. HeliodorBe3Al2(Si6O18)
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F FluorapatiteCa5(PO4)3F
NaSodium
Na AlbiteNa(AlSi3O8)
Na SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Beryl var. AquamarineBe3Al2Si6O18
Al AlmandineFe32+Al2(SiO4)3
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al BerylBe3Al2(Si6O18)
Al MicroclineK(AlSi3O8)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Al Beryl var. HeliodorBe3Al2(Si6O18)
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Beryl var. AquamarineBe3Al2Si6O18
Si AlmandineFe32+Al2(SiO4)3
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si BerylBe3Al2(Si6O18)
Si MicroclineK(AlSi3O8)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Si Beryl var. HeliodorBe3Al2(Si6O18)
PPhosphorus
P FluorapatiteCa5(PO4)3F
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca FluorapatiteCa5(PO4)3F
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Fe AlmandineFe32+Al2(SiO4)3
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe Columbite-(Fe)Fe2+Nb2O6
Fe SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
NbNiobium
Nb Columbite-(Fe)Fe2+Nb2O6
TaTantalum
Ta Microlite GroupA2-mTa2X6-wZ-n

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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