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Sea and beach glass

Sea glass is physically and chemically weathered glass found on beaches besides bodies of salt water. The weathering processes produced by the constant tumbling of glass amongst sand and rocks, driven by the tidal salt water waves, produces a smooth natural frosted glass. Sea glass can be collected as a hobby and is also used for decoration, most commonly in jewellery.

Beach glass comes from fresh water and in most cases has a different pH balance and a less frosted appearance than sea glass.

It takes 20 to 40 years, and sometimes as much as 100 years, for sea glass to acquire its characteristic texture and shape.

Most often sea glass originates from lost or discarded glass products. It may have come from people tossing empty bottles against the rocks along a stretch of beach. It may also have originated from a dump located near the coast where the debris has spilled into the surf.


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