Jewelry Glossary

Word Search

  • N

    • Nephrite Jade

      Nephrite jade had been thought to be the same mineral as jadeite since ancient times, but it turned out to be a new type in 1863. It was used as tools and weapons and as a material for sculptures.
      [Moh's hardness: 6] [Mineral species: Nephrite]

    • Niessing Setting

      A gemstone girdle is sandwiched in a niessing setting using chased metal.
      This setting method is the patent of niessing.

    • North Skylight

      Light coming in from a window facing north but not directly from the sun. Examining gems under the north skylight is considered the most suitable environment for appraisal.

Word Search