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About Mary's Glass

Our History

My interest in glass began as a child when my mother inherited some exquisite pieces of cut glass. Mother and I washed, dusted, arranged, and rearranged glass in her breakfront and on her china buffet.

When Mother retired, she and I (a stay-at-home mom)frequented the swapmeet. We found that there is something magnetic about glass in the sunshine. The brilliance seems to beckon the passerby, and demands a closer look. That is how our collecting began.

We challenged ourselves to find old glass that would turn purple. Glass containing manganese will turn a delicate purple when exposed to the sun for a period of time. So, we searched for glass that looked old, worn, or bubbled. After a month or two on the patio roof, our swapmeet (or garage sale) glass would sometimes metamorphose into a lovely "work of art". This is called sun colored amethyst.

Some years later, quite by accident, we learned that some glass turns a pale yellow in the sun. When manganese was needed for World War I, its use as a glass clarifying agent was discontinued. Another substance, selenium, was used causing the glass to turn yellow when exposed to the sun. The result of this process is called sun colored amber.

Due to a backlog of manganese, some glass made as late as 1930 will turn amethyst in the sun. This caused us to take a little interest in depression glass, and elegant glass of the depression era. In the beginning, we only looked for pieces that might "turn". Now, we collect EAPG (early American pattern glass) simply for the pattern. We now know, also, that some serious collectors object to the deliberate sun coloring of glass.

Our glass collection provides enjoyment both in its beauty and its usage. We love to serve our family and friends a tasty morsel on something beautiful. We also love to show our collection. Because we have more than we can use, we offer glass for sale.