Buy Citrine from Crystals By Nature. A member of the Quartz family, Citrine is one of the few gemstones that naturally occurs in golden-yellow hues. Citrine has enjoyed several renaissances throughout history; Hellenic Greeks used Citrine as decorative gems while 17th century Scottish warriors decorated the handles of swords with it. Citrine was also the gem of choice during the Art Deco era. Citrine is now a very popular gemstone when it comes to jewelry making, as it radiates positive energy like the sun. Citrine is a healing crystal of manifestation and cleansing, enhancing creativity and clear thinking by awakening and energizing the soul.