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Leeds and Grenville Co., Ontario, Canada

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Detailed Mineral List:


Albite
Formula: Na(AlSi3O8)
Albite var: Oligoclase
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
'Albite-Anorthite Series'
Amphibole Supergroup
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Anhydrite
Formula: CaSO4
'Apatite'
Localities:
Reported from at least 6 localities in this region.
'Asbestos'
Augite
Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6
Baryte
Formula: BaSO4
'Biotite'
Cacoxenite
Formula: Fe3+24Al(PO4)17O6(OH)12 · 17H2O
Calcite
Formula: CaCO3
Localities:
Reported from at least 11 localities in this region.
Celestine
Formula: SrSO4
Chalcopyrite
Formula: CuFeS2
'Chlorite Group'
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Corundum
Formula: Al2O3
Diopside
Formula: CaMgSi2O6
Dravite
Formula: Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Dumortierite
Formula: (Al,Fe3+)7(SiO4)3(BO3)O3
'Feldspar Group'
Fluorite
Formula: CaF2
Galena
Formula: PbS
'Garnet'
Formula: X3Z2(SiO4)3
Glauconite
Formula: (K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
'Gneiss'
Grandidierite
Formula: (Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2
Graphite
Formula: C
Localities:
Reported from at least 6 localities in this region.
Hedenbergite
Formula: CaFe2+Si2O6
Hematite
Formula: Fe2O3
Hematite var: Specularite
Formula: Fe2O3
'Hornblende'
Iron
Formula: Fe
'K Feldspar'
Kornerupine
Formula: Mg3Al6(Si,Al,B)5O21(OH)
Magnetite
Formula: Fe2+Fe3+2O4
Magnetite var: Titaniferous Magnetite
Formula: Fe2+(Fe3+,Ti)2O4
'Mica Group'
Microcline
Formula: K(AlSi3O8)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Muscovite var: Sericite
Formula: KAl2(AlSi3O10)(OH)2
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Pyrite
Formula: FeS2
Localities:
Reported from at least 9 localities in this region.
'Pyroxene Group'
Localities:
Reported from at least 6 localities in this region.
Pyrrhotite
Formula: Fe7S8
Quartz
Formula: SiO2
Localities:
Reported from at least 18 localities in this region.
Quartz var: Rock Crystal
Formula: SiO2
Quartz var: Sceptre Quartz
Formula: SiO2
'Scapolite'
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Sillimanite
Formula: Al2(SiO4)O
Sphalerite
Formula: ZnS
Titanite
Formula: CaTi(SiO4)O
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Vesuvianite
Formula: (Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Wollastonite
Formula: CaSiO3
Zircon
Formula: Zr(SiO4)
Mineral and/or Locality  
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