How to Incorporate Lemon Quartz into Your Jewelry Collection? Pleasing Lemon Quartz is referred to by several names, such as Lemon citrine, Lemon topaz, green gold, etc., due to the stone's unique yellowish-green hues, ranging from light lemony shades to bright golden. The presence of minerals like iron oxides or hydrocarbons causes the color of Lemon quartz, which can be seen when embedded in 925 Sterling Silver jewelry.