name = 'calcium'
symbol = 'Ca'

mass = [(39.9625906, 96.941),
        (41.9586176,  0.647),
        (42.9587662,  0.135),
        (43.9554806,  2.086),
        (45.953689,   0.004),
        (47.952533,   0.187)]

color = 'red'
