Flower design dish with dividers, retailer purple/Amethyst, serving piece, with lid!

Listing for beautiful flower dish with dividers to separate foods! Vintage design. Perfect condition!

NO damages!

Dimensions: Width reaches 7" and height measures 1.75".

PROCESS: Only certain glassware is able to turn purple. Particularly, glassware from the 1915's. The glass must contain manganese dioxide which is a decolorizer and enables the glass to turn different shades of purple when exposed to the rays of the sun or to other ultra-violet sources. It is a photochemical phenomenon that is not yet perfectly understood. It is generally accepted that the ultra-violet light initiates an electron exchange between the manganese and iron ions. This changes the manganese compound into a form that causes the glass to turn purple. The color change is permanent and is a true indicator of its century-old age.

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