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Route 13 area, Lunenburg, Worcester Co., Massachusetts, USAi
Regional Level Types
Route 13 areaArea
Lunenburg- not defined -
Worcester Co.County
MassachusettsState
USACountry

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Latitude & Longitude (WGS84):
42° 35' 7'' North , 71° 45' 8'' West
Latitude & Longitude (decimal):
Locality type:


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

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


11 valid minerals.

Detailed Mineral List:

'Albite-Anorthite Series'
Reference: P Cristofono collection
'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: P Cristofono collection
'Amphibole Supergroup var: Uralite'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: P Cristofono collection
Arsenopyrite
Formula: FeAsS
Reference: P Cristofono collection
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: P Cristofono collection
Calcite
Formula: CaCO3
Reference: P Cristofono collection
Chalcopyrite
Formula: CuFeS2
Reference: P Cristofono collection
Diopside
Formula: CaMgSi2O6
Reference: P Cristofono collection
Fluorapatite
Formula: Ca5(PO4)3F
Reference: P Cristofono collection
'Hornblende'
Colour: dark green
Description: An intermediate hornblende. Analyzed specimens had Mg>Fe to a small extent.
Reference: P Cristofono collection.
'Manganese Oxides'
Reference: P Cristofono collection
'Manganese Oxides var: Manganese Dendrites'
Reference: P Cristofono collection
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: P Cristofono collection
Opal
Formula: SiO2 · nH2O
Reference: P Cristofono collection
Opal var: Opal-AN
Formula: SiO2 · nH2O
Reference: P Cristofono collection
Pyrite
Formula: FeS2
Reference: P Cristofono collection
Pyrrhotite
Formula: Fe7S8
Reference: P Cristofono collection
Quartz
Formula: SiO2
Reference: P Cristofono collection
'Scapolite'
Reference: P Cristofono collection
Titanite
Formula: CaTi(SiO4)O
Reference: P Cristofono collection

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Group 4 - Oxides and Hydroxides
Opal4.DA.10SiO2 · nH2O
var: Opal-AN4.DA.10SiO2 · nH2O
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
Diopside9.DA.15CaMgSi2O6
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Titanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'var: Uralite'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Hornblende'-
'Manganese Oxides'-
'var: Manganese Dendrites'-
'Scapolite'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Amphibole Supergroup'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'var: Uralite'-AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Hornblende'-
'Manganese Oxides'-
'var: Manganese Dendrites'-
Opal
var: Opal-AN
-SiO2 · nH2O
'Scapolite'-

List of minerals for each chemical element

HHydrogen
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H Opal (var: Opal-AN)SiO2 · nH2O
H MuscoviteKAl2(AlSi3O10)(OH)2
H Amphibole Supergroup (var: Uralite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H OpalSiO2 · nH2O
H Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
CCarbon
C CalciteCaCO3
OOxygen
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O CalciteCaCO3
O DiopsideCaMgSi2O6
O FluorapatiteCa5(PO4)3F
O Opal (var: Opal-AN)SiO2 · nH2O
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
O TitaniteCaTi(SiO4)O
O Amphibole Supergroup (var: Uralite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O OpalSiO2 · nH2O
O Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
F FluorapatiteCa5(PO4)3F
F Amphibole Supergroup (var: Uralite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
F Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg DiopsideCaMgSi2O6
AlAluminium
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al Amphibole Supergroup (var: Uralite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SiSilicon
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si DiopsideCaMgSi2O6
Si Opal (var: Opal-AN)SiO2 · nH2O
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
Si TitaniteCaTi(SiO4)O
Si Amphibole Supergroup (var: Uralite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si OpalSiO2 · nH2O
Si Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
PPhosphorus
P FluorapatiteCa5(PO4)3F
SSulfur
S PyrrhotiteFe7S8
S ArsenopyriteFeAsS
S ChalcopyriteCuFeS2
S PyriteFeS2
ClChlorine
Cl Amphibole Supergroup (var: Uralite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Cl Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca CalciteCaCO3
Ca DiopsideCaMgSi2O6
Ca FluorapatiteCa5(PO4)3F
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti TitaniteCaTi(SiO4)O
Ti Amphibole Supergroup (var: Uralite)AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti Amphibole SupergroupAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FeIron
Fe PyrrhotiteFe7S8
Fe ArsenopyriteFeAsS
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe ChalcopyriteCuFeS2
Fe PyriteFeS2
CuCopper
Cu ChalcopyriteCuFeS2
AsArsenic
As ArsenopyriteFeAsS

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