crystalline glass
11Crystalline lens — Lens Lens (l[e^]nz), n.; pl. {Lenses} ( [e^]z). [L. lens a lentil. So named from the resemblance in shape of a double convex lens to the seed of a lentil. Cf. {Lentil}.] (Opt.) A piece of glass, or other transparent substance, ground with two… …
12glass — an amorphous material with three dimensional primary atomic bonding. Glass can generally be described as an amorphous (non crystalline) and unstable material having properties dependent on thermal history. Molten hot liquid material is cooled… …
13glass transition — the change in a crystalline polymer or ceramic material from a rubbery or viscous state to a hard, brittle state, usually as a result of a decrease in temperature …
14Murano glass — paper weights Murano glass is a famous product of the Venetian island of Murano. Located off the shore of Venice, Italy, Murano has been a commercial port as far back as the 7th century. By the 10th century, the city had become well known for its …
15Venetian glass — is a type of glass object made in Venice, Italy, primarily on the island of Murano. It is world renowned for being colorful, elaborate, and skilfully made.Many of the important characteristics of these objects had been developed by the 13th… …
16industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …
17Chalcogenide glass — A chalcogenide glass (hard ch as in chemistry ) is a glass containing one or more chalcogenide elements. These are Group 16 in the periodic table e.g. sulfur, selenium or tellurium. Such glasses are covalently bonded materials and may be… …
18volcanic glass — a natural glass produced when molten lava cools very rapidly; obsidian. [1830 40] * * * Any glassy rock formed from lava or magma that has a chemical composition close to that of granite. Such molten material may reach very low temperatures… …
19Lead glass — Swarovski flacon. Lead glass is a variety of glass in which lead replaces the calcium content of a typical potash glass.[1] Lead glass contains typically 18–40 weight% lead(II) oxide (PbO), while modern lead …
20Calculation of glass properties — [ refractive index. [ [http://glassproperties.com/refractive index/ Calculation of the Refractive Index of Glasses] ] ] The calculation of glass properties (glass modeling) is used to predict glass properties of interest or glass behavior under… …
