Gold is often found in association with other minerals including gemstones. Some of the gemstones that can be found near gold deposits include: Quartz – A common mineral that is often associated with gold deposits and can be found in a variety of colors such as clear, smoky, and amethyst. Garnet – A group of minerals that are commonly found in metamorphic rocks associated with gold deposits. Topaz – A mineral that is found in granite and granite-related rocks, also associated with gold deposits. Emerald – A green variety of beryl which is commonly found in association with gold in certain areas such as Colombia. Aquamarine – A variety of beryl that occurs in granite, also found associated with gold. Tourmaline – A mineral that can be found in many different colors and is found in granite, also associated with gold. Ruby & Sapphire – These are varieties of the mineral corundum and can be found in association with gold in some areas such as Montana (USA) and Madagascar. Note: It’s worth remembering that gemstones are not always found in close proximity to gold deposits and the presence of gold does not necessarily indicate the presence of gemstones.