Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.

What is mineral glass?

Wristwatches claim that "mineral glass" resists scratches and it must be distinguishable from ordinary glass which has been made with silica, a mineral. So what makes the difference that watchmakers capitalize upon?

3 Answers

Relevance
  • 1 decade ago
    Favorite Answer

    Mineral glass is ordinary tempered glass made from silica. It is more scratch resistant than Plexiglass which is a plastic also used for watch crystals.

    The most scratch resistant crystals are usually mineral glass coated with synthetic Sapphire.

  • ?
    Lv 4
    5 years ago

    Mineral Glass

  • Anonymous
    5 years ago

    A mineral must have a structure, a crystal form. A glass, by definition, has no structure (it is a non-crystalline solid). It is basically a frozen liquid, a solid that has the physical arrangement of atoms of a liquid. However, a lot of what we call volcanic glass is really filled with microcrystals, crystals that can be seen under a microscope, and thus really is not a glass. And you can get intermediate forms, where some crystals (crystals that had formed before quenching or form through recrystallization after glassification) are dispersed in the non-crystalline or glass matrix.

Still have questions? Get your answers by asking now.