The month of March has two birthstones - the aquamarine and the bloodstone.Aquamarine, also known as the 'poor man's diamond,' is a form of the mineral beryl.Aquamarines vary in color from deep blue to blue-green and are found in Brazil, Colombia, and other locations.Bloodstone, also known as heliotrope, is a form of quartz and is found in India, Brazil, and Australia.