material science

Neptunsgems Material science: types of leather and jewelry metals as well as important care tips. So that your favorite pieces from Neptune's kingdom stay beautiful for a long time. NOTE: This page is under construction, please be patient. Thanks very much.

Stamping a Faith Love Hope leather belt from Neptune Jewels.

types of leather

Only the finest, vegetable-dyed leathers from selected tanners in Italy and Germany are processed in Neptun's workshops.

Pouring molten pewter into a silicon mold. From Neptune Jewels.

jewelry metals

The finest jewelry metals do not necessarily have to be expensive precious metals such as gold or platinum. In Neptune's forge, we primarily process wonderfully shimmering pewter and warm, shiny silver.

  • tin



  • Silver


  • Special feature Simple clasps