Ta a lot for that Reinhard.
I'll have a read of the paper and see what I can do. I need to read more on
spherical harmonics as well, as they seem a little like magic to me at the
moment.
I agree that the best way is to avoid PO in the first place, but (at least
in this instance) it wasn't in my c
Dear Matthew,
in my knowledge, for calcite the {104} in the usual cell choice for
hexagonal axes is equivalent to {10-11} in rhombohedral axes setting.
Morphologically, this shape is called by mineralogists the "main
rhombohedra" and the six faces belonging to {104} are indeed the
directions o