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Comments: Clear, crystalline zircon prism with pyramidal termination.
Location: Laacher See, Rhineland-Palatinate, Germany.
Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals
Zircon: ZrSiO4 Perrierite-(Ce): (Ce,La,Ca)4(Fe++,Mg)2(Ti,Fe+++)3Si4O22 Pyrochlore: (Na,Ca)2Nb2O6(OH,F) Loparite-(Ce): (Ce,Na,Ca)2(Ti,Nb)2O6
Comments: Reddish black perrierite crystal, with orange-brown pyrochlore crystal, yellow-brown zircon, and grayish-black loparite.
Location: Buer, Bjorkedalen, Langesundfjord, Telemark, Norway.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
Comments: Deep red-wine colored, lustrous, internally bright zircon crystals in matrix.
Location: Thorfjord, Seiland, Alta, Norway.
Scale: 13 x 10.5 x 9 cm.
© Rob Lavinsky
Comments: Cathodoluminescence image of earth's oldest-known mineral (zircon grain - W74/2-36) with inset concordia plot showing the 4,404 billion year old region. Note the oscillatory zoning in the outer rim. Image by John W. Valley.
Location: Interlayered red quartzites and metaconglomerates, Jack Hills, Western Australia.
Scale: See Image.
© University of Wisconsin