"Colour is a power which directly influences the soul", said Russian avant-garde artist Wassily Kandinsky. How very true! We are subconsciously experiencing colour influence every day in our life. Colour can give us a signal or indication, it can give us instructions or a clue: red lipstick, green traffic light, red stop sign, yellow tie, black dress. Colour is around us, including coloured gems. Annushka's favourite colour is blue. Blue is the colour of the sky and sea. It i