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Better safe than sorry: get your lavender glass at the beach.The term "sodas" in the antique bottle collecting hobby has come to represent a wide variety of carbonated beverage bottle types from the 1830's to the 1940's including many post civil war bottle types.The lavender glass discussed here, and as we know it in the sea glass community, is a rather accidental color that has caused a lot of commotion in the glass bottle collector and sea glass world.Finding that perfect piece of pale purple glass on the beach rightfully elicits at least widening eyes, if not a verbal squeal of delight as well—that’s the sea glass world’s commotion over lavender.Thus, we have come to identify many forms, styles and descriptive terms among pre-civil war pontiled sodas.A general naming convention has developed over the years, represented partly by the list at right.These include the Hutchinson, gravitating stopper, crown top, applied color label or "ACL" and so on.These are all descriptive terms that help identify the form, style and period of manufacture of the bottle.

As you can see, the catch all term "soda" has come to represent natural and artificially carbonated waters, as well as a variety of alcoholic beverages whose carbonation results from fermentation.In recent years, collectors have begun to differentiate between "soda" and "beer" forms, but there are many subtypes beyond these.The early soda bottle was designed to preserve carbonation and withstand the scalding hot waters used to sanitize returned bottles in preparation for re-use.Apparently, it was not initially known that manganese in glass, affected by exposure to sunlight, UV light, or other forms or radiation, would turn the glass varying shades of purple.The sun causes manganese to oxidize, forming manganese oxide, which is still used as either a colorant or de-colorant, depending on how it’s used, and with what other elements, but also is responsible for solarized purple glass.

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