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Xenotime-(Y): YPO4
Comments: Dark brown colored Xenotime-(Y) crystal. Location: Hurricane Mountain, Conway, Carroll County, New Hampshire, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Zemannite: Mg0.5[Zn++Fe+++(TeO3)3]·4.5(H2O)
Comments: Root beer-colored zemannite hexagonal prisms. Location: Moctezuma mine, Sonora, Mexico. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Zincite: (Zn,Mn)O
Comments: Orange Zincite hexagonal pyramid. Location: Franklin, Sussex County, New Jersey, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Zircon: ZrSiO4
Comments: Clear, crystalline zircon prism with pyramidal termination. Location: Laacher See, Rhineland-Palatinate, Germany. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals