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Epidote: Ca2(Fe+++,Al)3(SiO4)3(OH) = Ca2(Fe,Al)Al2(SiO4)(Si2O7)O(OH)
Comments: Dark green, blocky epidote with transparent quartz. Location: Copper Mt., Prince of Wales, Alaska. Scale: 7 x 5 cm. © Fabre Minerals
Epidote-(Pb): (Ca,Pb,Sr)2(Al,Fe+++)3(SiO4)(Si2O7)O(OH) Nasonite: Pb6Ca4Si6O21Cl2
Comments: Colorless, transparent hexagonal prism of nasonite on reddish brown hancockite (epidote-(Pb)). Location: Franklin, Sussex County, New Jersey, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Epidote-(Pb): (Ca,Pb,Sr)2(Al,Fe+++)3(SiO4)(Si2O7)O(OH) Clinohedrite: CaZnSiO4·(H2O)
Comments: Clear crystals of clinohedrite on hancockite (epidote-(Pb)). Location: Franklin, Sussex County, New Jersey, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Epidote-(Pb): (Ca,Pb,Sr)2(Al,Fe+++)3(SiO4)(Si2O7)O(OH)
Comments: Reddish brown prisms of hancockite on matrix. Location: Franklin, Sussex County, New Jersey, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Epidote-(Sr): CaSrAl2Fe+++(Si2O7)(SiO4)O(OH) Tinzenite: (Ca,Mn,Fe)3Al2BO3Si4O12(OH)
Comments: B&W image of a radial aggregate of epidote-(Sr) in tinzenite. (Journal of Mineralogical and Petrological Sciences, v103:400). Location: Nagakawara and Hohnomori deposits at the Ananai mine, Kochi Prefecture, Japan. Scale: See Image. © Journal of Mineralogical and Petrological Sciences