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Uranium (0.1 to 2%) can be added to give glass a fluorescent yellow or green color. [8] Uranium glass is typically not radioactive enough to be dangerous, but if ground into a powder, such as by polishing with sandpaper, and inhaled, it can be carcinogenic. When used with lead glass with very high proportion of lead, produces a deep red color.
Vitrigraph pulling – pulling molten glass strings from a wall mounted kiln—called a vitrigraph kiln— usually into shapes such as spirals. Zanfirico – Italian decorative glassblowing technique involving intricate patterns of colored glass canes arranged and twisted to comprise a pattern within a new single glass cane. These new patterned ...
Measuring 12 feet tall and 5 feet wide (3.7 meters by 1.5 meters), the window depicts two biblical passages in which women, also painted with dark skin, appear as equals to Christ.
Obsidian is mineral-like, but not a true mineral because, as a glass, it is not crystalline; in addition, its composition is too variable to be classified as a mineral. It is sometimes classified as a mineraloid. [20] Though obsidian is usually dark in color, similar to mafic rocks such as basalt, the
For premium support please call: 800-290-4726 more ways to reach us. Sign in. Mail. ... You know “glass skin” when you see it—think of a super-hydrated, supple complexion that’s so clear ...
A nearly 150-year-old stained-glass church window in Rhode Island that depicts a dark-skinned Jesus Christ interacting with women in New Testament scenes — known to many as the “Black Gospel ...
Dizzy cocktail glass, a glass with a wide, shallow bowl, comparable to a normal cocktail glass but without the stem; Faceted glass or granyonyi stakan; Highball glass, for mixed drinks [6] Iced tea glass; Juice glass, for fruit juices and vegetable juices; Old fashioned glass, traditionally, for a simple cocktail or liquor "on the rocks" or ...
A pendant made from modern dichroic glass. Dichroic glass is glass which can display multiple different colors depending on lighting conditions.. One dichroic material is a modern composite non-translucent glass that is produced by stacking layers of metal oxides which give the glass shifting colors depending on the angle of view, causing an array of colors to be displayed as an example of ...