Hi Sorry about this, it's been a hard day and it's the first thing I thought of when I saw the pics of crystals...
Brits of a certain age may be reminded of Gerry Anderson's UFOs... On 1 Jun 2015, at 17:20, Paul Paukstelis wrote: > I'm interested in knowing how to figure out the relationship between the unit > cell contents and the crystal habit in these crystals (small attachment, two > roughly orthogonal views). > > Space group is P64 (enantiomeric) , and you can clearly see the six-fold. The > question becomes how to determine which direction the screw axis is going > with respect to "top" and the "base" of the pyramidal crystals (right image) > so I can gauge how/why the crystals grow this way based on the cell contents. > > Thanks in advance. > > --paul > Harry -- Dr Harry Powell, MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge CB2 0QH Chairman of International Union of Crystallography Commission on Crystallographic Computing Chairman of European Crystallographic Association SIG9 (Crystallographic Computing)
