Hailing from a mind-spinning variety of original sources, authentic sea glass comes in every color of the rainbow and each shade in between, manifesting in an astonishing array of configurations and forms; so naturally, certain pieces are less common than others. Indeed, while most genuine green sea glass is ordinarily relatively commonplace, surf-tumbled specimens representing the blue-kissed, sea-toned or teal side of the gorgeous green spectrum -- as beautifully illustrated by the…