Selenium can color glass red or pink in higher concentrations. It creates a reddish hue through dispersed selenium nanoparticles. In smaller amounts, it acts as a decolorizing agent. This flexibility helps in producing various shades, like pink glass, during the glassmaking process.
Rarer colors include blue, turquoise, and amber. Blue sea glass often comes from vintage soda bottles, while turquoise originates from decorative glass or pottery. Amber sea glass is less frequently found and can sometimes derive from older bottles. Other rare hues such as purple, red, and black sea glass hold even more intrigue, often emerging from specific types of old glassware.
The rarity of each color affects its desirability among collectors. Sea glass enthusiasts often seek out these colorful treasures as they relate to the maritime history and environmental changes. Understanding sea glass colors sets the stage for exploring the various factors that influence its availability and the stories behind its origins. Next, we will delve into the environmental factors contributing to the creation and discovery of sea glass.
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