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Imaged at the Geigelstein![]() ![]() for enhanced version. |
The HaloSim4 simuation using classically oriented Lowitz plate crystals shows relatively strong arcs near to the parhelia. It is possible that this is a case (Riikonen et.al.) where the display was made by Lowitz oriented columns with limited tilts of their long ''c' axes from horizontal. Such crystals are not dissimilar to Parry crystals with large tilts. |