Aquamarine’s cool blue hues are reflected in its name, which comes from the Latin for “sea water.” Medieval sages prescribed water touched by aquamarine for a host of ills, including those affecting the eyes and lungs. They promised the virtues of insight and foresight to the gem’s wearers. Natural Gemstones for Custom Jewelers Aquamarine crystals can grow to huge sizes, and are usually blessed with excellent clarity. Gem body-colors range from greenish blue to blue-green in light tones. Gorgeous Aquamarine from Madagascar Like…