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Route 13 area, Lunenburg, Worcester County, Massachusetts, USAi
Regional Level Types
Route 13 areaArea
LunenburgTown
Worcester CountyCounty
MassachusettsState
USACountry

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Latitude & Longitude (WGS84):
42° 35' 7'' North , 71° 45' 8'' West
Latitude & Longitude (decimal):
42.58528,-71.75222
GeoHash:
G#:drsfr0rth
GRN:
N29W38
Type:
Area
Köppen climate type:
Dfb : Warm-summer humid continental climate
Mindat Locality ID:
107876
Long-form identifier:
mindat:1:2:107876:6
GUID (UUID V4):
b9f71760-6e6c-4826-a739-90f935b766cc


Area bedrock exposures of metamorphic rock consisting of schist/phyllite with calc-silicate pods and stringers.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Detailed Mineral List:

ⓘ'Amphibole Supergroup'
Formula:AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Amphibole Supergroup var. Uralite'
Formula:AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘArsenopyrite
Formula:FeAsS
ⓘ'Biotite'
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘCalcite
Formula:CaCO3
ⓘChalcopyrite
Formula:CuFeS2
ⓘDiopside
Formula:CaMgSi2O6
ⓘFluorapatite
Formula:Ca5(PO4)3F
ⓘ'Hornblende Root Name Group'
Formula:◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
Colour: dark green
Description: An intermediate hornblende. Analyzed specimens had Mg>Fe to a small extent.
ⓘ'Manganese Oxides'
ⓘ'Manganese Oxides var. Manganese Dendrites'
ⓘMuscovite
Formula:KAl2(AlSi3O10)(OH)2
ⓘOpal
Formula:SiO2 · nH2O
ⓘOpal var. Opal-AN
Formula:SiO2 · nH2O
ⓘ'Plagioclase'
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
ⓘPyrite
Formula:FeS2
ⓘPyrrhotite
Formula:Fe1-xS
ⓘQuartz
Formula:SiO2
ⓘ'Scapolite'
ⓘTitanite
Formula:CaTi(SiO4)O

Gallery:

CaMgSi2O6ⓘDiopside
Ca5(PO4)3FⓘFluorapatite
◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2ⓘ'Hornblende Root Name Group'
SiO2 · nH2OⓘOpal var. Opal-AN
ⓘ'Scapolite'
CaTi(SiO4)OⓘTitanite

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2
ⓘOpal
var. Opal-AN		4.DA.10SiO2 · nH2O
ⓘ4.DA.10SiO2 · nH2O
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 8 - Phosphates, Arsenates and Vanadates
ⓘFluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘDiopside9.DA.15CaMgSi2O6
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Amphibole Supergroup
var. Uralite'		-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Scapolite'-
ⓘ'Hornblende Root Name Group'-◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Manganese Oxides
var. Manganese Dendrites'		-
ⓘ''-

List of minerals for each chemical element

HHydrogen
HⓘAmphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
HⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
HⓘOpal var.Opal-ANSiO2 · nH2O
HⓘMuscoviteKAl2(AlSi3O10)(OH)2
HⓘOpalSiO2 · nH2O
HⓘAmphibole Supergroup var.UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
HⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
CCarbon
CⓘCalciteCaCO3
OOxygen
OⓘAmphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
OⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
OⓘCalciteCaCO3
OⓘDiopsideCaMgSi2O6
OⓘFluorapatiteCa5(PO4)3F
OⓘOpal var.Opal-ANSiO2 · nH2O
OⓘMuscoviteKAl2(AlSi3O10)(OH)2
OⓘOpalSiO2 · nH2O
OⓘQuartzSiO2
OⓘTitaniteCaTi(SiO4)O
OⓘAmphibole Supergroup var.UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
OⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
OⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
FFluorine
FⓘAmphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FⓘFluorapatiteCa5(PO4)3F
FⓘAmphibole Supergroup var.UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
NaSodium
NaⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
MgⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MgⓘDiopsideCaMgSi2O6
AlAluminium
AlⓘAmphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
AlⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlⓘMuscoviteKAl2(AlSi3O10)(OH)2
AlⓘAmphibole Supergroup var.UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
AlⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
AlⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
SiⓘAmphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SiⓘDiopsideCaMgSi2O6
SiⓘOpal var.Opal-ANSiO2 · nH2O
SiⓘMuscoviteKAl2(AlSi3O10)(OH)2
SiⓘOpalSiO2 · nH2O
SiⓘQuartzSiO2
SiⓘTitaniteCaTi(SiO4)O
SiⓘAmphibole Supergroup var.UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SiⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
SiⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
PPhosphorus
PⓘFluorapatiteCa5(PO4)3F
SSulfur
SⓘArsenopyriteFeAsS
SⓘChalcopyriteCuFeS2
SⓘPyriteFeS2
SⓘPyrrhotiteFe1-xS
ClChlorine
ClⓘAmphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ClⓘAmphibole Supergroup var.UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ClⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
KPotassium
KⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
KⓘMuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
CaⓘCalciteCaCO3
CaⓘDiopsideCaMgSi2O6
CaⓘFluorapatiteCa5(PO4)3F
CaⓘTitaniteCaTi(SiO4)O
CaⓘHornblende Root Name Group◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2
CaⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
TiTitanium
TiⓘAmphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
TiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
TiⓘTitaniteCaTi(SiO4)O
TiⓘAmphibole Supergroup var.UraliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FeIron
FeⓘArsenopyriteFeAsS
FeⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeⓘChalcopyriteCuFeS2
FeⓘPyriteFeS2
FeⓘPyrrhotiteFe1-xS
CuCopper
CuⓘChalcopyriteCuFeS2
AsArsenic
AsⓘArsenopyriteFeAsS

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

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