When the Sun crosses the vernal point, the day triumphs over the night. The solar power is starting to gain momentum as light and warmth propel life and growth in the northern hemisphere. The 0 Aries point is very potent with life energy, it is the birth point of the year, reflected by an energetic tidal wave of solar "fire" rekindling our own inner power and motivation to act.
Gold is one of the "noble metals" - metals that are resistant to corrosion and oxidation. In other words, gold doesn't change over time. It remains bright with it's rich and glittering nature. In ancient times Gold was considered a symbol of eternity, divinity, sacredness and immortality.