I have also seen similar centerpieces that use epsom salts instead of sugar. You could also sprinkle a mix of pearls/gems. Sand (or sugar), faux pearls, a 3 candle. An easy DIY wedding centerpiece idea.
Lake Dock, Thousand Islands, Canada. The Light Purple & Blues Of The Hills, Water & Sky In The Background Create A Cool Tone To The Image. The Leaves Complement It Well & Add To The Peace & Tranquility.