The succulent signature of the Amethyst saga, a sparkling raspberry, blackberry and blackcurrant accord composed by master perfumer Nathalie Lorson, turns into heady nectar in Amethyst Exquise.  Wrapped in a powdery haze of heliotrope, a mauve flower with tender accents of vanilla and marzipan, the red and black fruit reflects the mysterious glow of day fall. Imported