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Milford Quarry, Baltimore Co., Maryland, USAi
Regional Level Types
Milford QuarryQuarry
Baltimore Co.County
MarylandState
USACountry

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PhotosMapsSearch
Latitude & Longitude (WGS84):
39° North , 76° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~16km
GRN:
N27W43
Locality type:
Quarry
Köppen climate type:
Cfa : Humid subtropical climate


An aggregate quarry in metamorphosed gabbro, where many of the listed minerals were found in pockets in cross-cutting quartz and feldspar veins. A number of these, such as quartz, zoisite, ilmenite and epidote, are coarsely crystallized.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


25 valid minerals.

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Albite
Formula: Na(AlSi3O8)
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Analcime
Formula: Na(AlSi2O6) · H2O
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Calcite
Formula: CaCO3
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Chalcopyrite
Formula: CuFeS2
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ 'Chlorite Group'
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ 'Hornblende'
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Ilmenite
Formula: Fe2+TiO3
Reference: Rocks & Min.:11:111.
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: Rocks & Min.:11:111.
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Marcasite
Formula: FeS2
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Molybdenite
Formula: MoS2
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Natrolite
Formula: Na2Al2Si3O10 · 2H2O
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ 'Phillipsite Subgroup'
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Pyrite
Formula: FeS2
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Pyrrhotite
Formula: Fe1-xS
Reference: Rocks & Min.:11:111.
ⓘ Quartz
Formula: SiO2
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Rutile
Formula: TiO2
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ 'Scapolite'
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Scolecite
Formula: CaAl2Si3O10 · 3H2O
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ 'Stilbite Subgroup'
Formula: M6-7[Al8-9Si27-28O72] · nH2O
Reference: Rocks & Min.:11:111.
ⓘ Talc
Formula: Mg3Si4O10(OH)2
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Titanite
Formula: CaTi(SiO4)O
Reference: Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
ⓘ Zoisite
Formula: Ca2Al3[Si2O7][SiO4]O(OH)
Reference: Rocks & Min.:11:111.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘMarcasite2.EB.10aFeS2
ⓘMolybdenite2.EA.30MoS2
ⓘPyrite2.EB.05aFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
Group 4 - Oxides and Hydroxides
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
ⓘRutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
Group 9 - Silicates
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘAnalcime9.GB.05Na(AlSi2O6) · H2O
ⓘAugite9.DA.15(CaxMgyFez)(Mgy1Fez1)Si2O6
ⓘEpidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
ⓘLaumontite9.GB.10CaAl2Si4O12 · 4H2O
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘNatrolite9.GA.05Na2Al2Si3O10 · 2H2O
ⓘPrehnite9.DP.20Ca2Al2Si3O10(OH)2
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘScolecite9.GA.05CaAl2Si3O10 · 3H2O
ⓘTalc9.EC.05Mg3Si4O10(OH)2
ⓘTitanite9.AG.15CaTi(SiO4)O
ⓘZoisite9.BG.10Ca2Al3[Si2O7][SiO4]O(OH)
Unclassified Minerals, Rocks, etc.
ⓘ'Chlorite Group'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Hornblende'-
ⓘ'Phillipsite Subgroup'-
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'Scapolite'-
ⓘ'Stilbite Subgroup'-M6-7[Al8-9Si27-28O72] · nH2O

List of minerals for each chemical element

HHydrogen
Hⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Hⓘ LaumontiteCaAl2Si4O12 · 4H2O
Hⓘ ZoisiteCa2Al3[Si2O7][SiO4]O(OH)
Hⓘ ScoleciteCaAl2Si3O10 · 3H2O
Hⓘ PrehniteCa2Al2Si3O10(OH)2
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ AnalcimeNa(AlSi2O6) · H2O
Hⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ NatroliteNa2Al2Si3O10 · 2H2O
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Hⓘ TalcMg3Si4O10(OH)2
BBoron
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
Cⓘ CalciteCaCO3
OOxygen
Oⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Oⓘ LaumontiteCaAl2Si4O12 · 4H2O
Oⓘ ZoisiteCa2Al3[Si2O7][SiO4]O(OH)
Oⓘ IlmeniteFe2+TiO3
Oⓘ ScoleciteCaAl2Si3O10 · 3H2O
Oⓘ PrehniteCa2Al2Si3O10(OH)2
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Oⓘ AnalcimeNa(AlSi2O6) · H2O
Oⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Oⓘ CalciteCaCO3
Oⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ NatroliteNa2Al2Si3O10 · 2H2O
Oⓘ QuartzSiO2
Oⓘ RutileTiO2
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ TalcMg3Si4O10(OH)2
Oⓘ TitaniteCaTi(SiO4)O
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
Naⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Naⓘ AnalcimeNa(AlSi2O6) · H2O
Naⓘ NatroliteNa2Al2Si3O10 · 2H2O
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Mgⓘ TalcMg3Si4O10(OH)2
AlAluminium
Alⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Alⓘ LaumontiteCaAl2Si4O12 · 4H2O
Alⓘ ZoisiteCa2Al3[Si2O7][SiO4]O(OH)
Alⓘ ScoleciteCaAl2Si3O10 · 3H2O
Alⓘ PrehniteCa2Al2Si3O10(OH)2
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Alⓘ AnalcimeNa(AlSi2O6) · H2O
Alⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ NatroliteNa2Al2Si3O10 · 2H2O
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
SiSilicon
Siⓘ Stilbite SubgroupM6-7[Al8-9Si27-28O72] · nH2O
Siⓘ LaumontiteCaAl2Si4O12 · 4H2O
Siⓘ ZoisiteCa2Al3[Si2O7][SiO4]O(OH)
Siⓘ ScoleciteCaAl2Si3O10 · 3H2O
Siⓘ PrehniteCa2Al2Si3O10(OH)2
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Siⓘ AnalcimeNa(AlSi2O6) · H2O
Siⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Siⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ NatroliteNa2Al2Si3O10 · 2H2O
Siⓘ QuartzSiO2
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ TalcMg3Si4O10(OH)2
Siⓘ TitaniteCaTi(SiO4)O
SSulfur
Sⓘ PyrrhotiteFe1-xS
Sⓘ ChalcopyriteCuFeS2
Sⓘ MarcasiteFeS2
Sⓘ MolybdeniteMoS2
Sⓘ PyriteFeS2
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ LaumontiteCaAl2Si4O12 · 4H2O
Caⓘ ZoisiteCa2Al3[Si2O7][SiO4]O(OH)
Caⓘ ScoleciteCaAl2Si3O10 · 3H2O
Caⓘ PrehniteCa2Al2Si3O10(OH)2
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Caⓘ CalciteCaCO3
Caⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Caⓘ TitaniteCaTi(SiO4)O
TiTitanium
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ RutileTiO2
Tiⓘ TitaniteCaTi(SiO4)O
FeIron
Feⓘ IlmeniteFe2+TiO3
Feⓘ PyrrhotiteFe1-xS
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ Augite(CaxMgyFez)(Mgy1Fez1)Si2O6
Feⓘ ChalcopyriteCuFeS2
Feⓘ Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
CuCopper
Cuⓘ ChalcopyriteCuFeS2
MoMolybdenum
Moⓘ MolybdeniteMoS2

References

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Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.

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