Zircon
Zr[SiO4]
ditetragonal - dipyramidal, 4/mmm
large crystal upon white
feldspar.
Isle of Seiland, Alta, Finnmark,
Norway.
Height of the crystal: 5
cm.
.
Zircon
crystal drawing
morphology:
tetragonal prism II. {100}
tetragonal dipyramids II.
{101} and {301}