True purple glass is much rarer. In our English Sea Glass collection, it averages one in 5000 pieces as true lavender glass was reserved for the Monarchy (showing Royalty) and for the Bishops in the church. Light Blue or Cornflower Blue (Pre 1900 Phillips MOM bottles, Bromo Seltzer, Vick's Vapor Rub, etc.)
Red sea glass is widely regarded as the rarest of them all. The scarcity can be traced back to the past when production of red glass was not as high as the other colors. Red glass was typically used in limited quantities for specialty items such as warning lights, lanterns, or decorative glassware.
Sea glass that started out as deep purple glass most likely originates from glassware manufactured between the 1840s and 1880s, according to the Society for Historical Archaeology. Toward the latter end of that period, hair tonics were commonly sold in dark amethyst bottles.
Because of the age of the glass, the small subset of glass products which used this production technique, and the need for extended exposure to the sun's light, Purple Sun Colored Antique Glass is a rare and collectible artifact, and fascinating piece of industrial history. Today the supply is extremely limited.
Sea glass is essentially broken glass from discarded items that have been polished and shaped over 20 years and up to 200 years by waves and weather. The legality of collecting sea glass depends on where you are located. It is illegal to collect sea glass on beaches located within U.S. state parks.
Make no mistake, sea glass is a commodity. It has real value, with some individual pieces selling for up to $1,000 and more. Many factors must be present to sell sea glass for top dollar.
It is forbidden to take sea glass within the boundaries of MacKerricher State Park: the glass morsels are strictly for your viewing pleasure, not for taking home as a souvenir. After all, if each of the thousands of daily tourists were to take some home, then, eventually, it wouldn't be Glass Beach!
Is "sun-purpled" glass a good investment? On the contrary, it is tantamount to purchasing a piece of damaged glass and the value is decreased as though it had a serious crack or chip.
True purple glass is much rarer. In our English Sea Glass collection, it averages one in 5000 pieces as true lavender glass was reserved for the Monarchy (showing Royalty) and for the Bishops in the church. Light Blue or Cornflower Blue (Pre 1900 Phillips MOM bottles, Bromo Seltzer, Vick's Vapor Rub, etc.)
In the early 20th century, changes in manufacturing processes, as well as more pure batch materials, dictated different ways to decolorize glass, and the use of manganese oxide for this purpose dwindled.
Pink and crystal (clear) are two of the rarest colors of Depression glass.
Pores & Texture - Are the main feature of real sea glass. Under a microscope or macro lens, these pores resemble small "c" shaped abrasions caused by years of tumbling in the surf with the different sizes of sand, gravel and hydration from decades of exposure to the water.
The glass that ultimately becomes sun colored, purple sea glass was produced during a relatively short time frame (1880s til @1915) so it is considered rare. It is estimated that only one out of every 500 pieces of sea glass collected is this beautiful, soft lavender color.
Fitzpatrick says that a piece's characteristics and color can help identify its age and origin. Lavender dates to 1880-1920 because manganese, which creates this color, was used then. Bubbles appearing in glass, which was handmade, indicate a time frame of 1700-1800s.
While many believe Pirate Glass to be solid black, it is actually an intense shade of various colours so dark that it often appears black—especially once frosted by the sea. These colours can range from deep greens to browns and, in rare cases, even reds or blues.
The Dunk Low Next Nature is the foundation for this unique iteration, which features the eye-catching "Sea Glass" green. This vibrant shade is almost fluorescent, yet it's beautifully tempered by a pale yellow/green covering the base, midsole, and laces.
The first collector to attempt dating purple glass was Grace Kendrick (1963:54–56). Ken- drick dated the phenomenon of “sun-colored glass” as lasting from 1880 to 1914.
Color and pattern, which helps identify both the rareness of the piece as well as its manufacturer. Some of the most valuable colors are cherry red, black amethyst, and ice green.
Markings on glassware can help affect their value! Typically, glassware with pontil marks is considered more valuable because they are older and handmade. Scarcity is another factor that will affect the value of your antique glass. Bottles that are rare are going to yield a higher profit due to their low availability.
Purple or as you will hear often, 'Amethyst' glass, was given its color by adding manganese oxide to a molten glass mixture of sand, potash and lime. Purple or Amethyst glass should not be confused with clear antique glass that has changed color due to sun exposure (see picture to left).
Pink and red (cranberry) glass is typically the most valuable and was made using gold oxide, while blue (made using cobalt salts), green (uranium), and yellow or amber (sulphur) tend to command lower prices.
Sea glass is used for decoration, most commonly in jewellery. "Beach glass" comes from fresh water and is often less frosted in appearance than sea glass. Sea glass takes 20–40 years, and sometimes as much as 100–200 years, to acquire its characteristic texture and shape.
Glass waste when not properly managed, can lead to dangerous situations for marine life and can affect the overall health of marine ecosystems.
Some people collect pieces of sea glass in large jars. Others collect the pieces and turn them into beautiful pieces of jewelry or art. Many people who collect sea glass also enjoy trying to figure out the history behind each piece of sea glass.