Danburite Crystal Healing Properties. Properties of Danburite  this is a clear to colourless stone which comes in shades of pink, yellow, grey, blue or brown. It is a commonly occurring stone that is found everywhere. It is believed to have properties that help to connect the heart of the mind with the mind of the heart.
European electrical equipment, fittings and fixtures have wires coloured as follows: Brown for Hot (also known as Line in Europe) Blue for Neutral. Green/Yellow stripes for Ground (also known as Earth)
The wire capped in red (bare copper wire) is your ground. One of your blacks is the line, the other goes to your load (lights). White wire is neutral. The red wire attached to the switch tells us that this is a 3-way switch.