Tripped upon this article on io9.com : http://io9.com/5598228/spiking-your-drink
Look familiar now doesn't it.
So there's an explanation of the mystery however it does point in a major way that the orgonite effects the water in some way as they specify the purity of the water:
"Conditions have to be just right to build an ice spike, but one controllable factor is the purity level of the water. Higher impurities in water give it a lower freezing temperature. In order for a neck to form, the outer edge of the neck will have to form faster than the water forced up from underneath. If it doesn't, the water will just spread out over the cube and the neck won't build up into a spike. Distilled water removes the impurities and lets the water freeze fastest."
random people getting those results consistently with different sources of water suggest a definite orgonite and water effect.
see this page for more info relating to orgonites effect on water: http://www.davidicke.com/forum/showthread.php?t=62867&page=309