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German handmade marbles dating from the 1850s – 1880s on an antique solitaire gaming board Kids playing 'Kancha' Marble (toy) game near Shambhunath Temple, Nepal. A marble is a small spherical object often made from glass, clay, steel, plastic, or agate.
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A glass building facade. Glass is an amorphous (non-crystalline) solid.Because it is often transparent and chemically inert, glass has found widespread practical, technological, and decorative use in window panes, tableware, and optics.
Dichroic glass is a very popular choice with glass artists today, especially so when creating marbles, because of its properties of having more than one color and when viewed from different angles, has a sparkle effect, much like a cut gemstone. Dichroic glass is actually a product created by the space industry, and was first used as an ...
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Several glasses are used in transparent armor, such as normal plate glass (soda-lime-silica), borosilicate glass, and fused silica. Plate glass has been the most common glass used due to its low cost. But greater requirements for the optical properties and ballistic performance have necessitated the development of new materials.
A stoup from brown Slivenec marble in the church in Dobřichovice [4]. Český Šternberk marble (šternberský mramor) from Český Šternberk, Benešov District: white ...
Borosilicate glass is a type of glass with silica and boron trioxide as the main glass-forming constituents. Borosilicate glasses are known for having very low coefficients of thermal expansion (≈3 × 10 −6 K −1 at 20 °C), making them more resistant to thermal shock than any other common glass.