130 225 430 and 425 are the best uses for the crystals, as they are no longer made in any form, 1750 is still available occasionally, from a purely practical standpoint.
Khaladon starts to turn the crystal knob, but stops with a frightened look on his face. He begins shaking uncontrollably and flies across the room, as though by some invisible force.
**SPLAT!!** Khaladon careens off the far wall, slides down the smooth wood panelling and collapses into a quivering heap on the floor, with only his dignity bruised.