Contribute to this site is intended to be an open and long-life project. You can contribute to it in many different ways, for example:

  • Just say that you like this site to us and to your friends. Your positive feedback will help us a lot!
  • Send us new stones for our reference collection.
  • Contribute with photos for galleries.
  • Tell us about news and articles about inclusions, every corrections and additions are also very welcome!
  • Suggestions to improve the site in any way – contents, structure, functionality, etc.
  • Corrections of English language are very welcome, it’s not our mother language, we apologize for possible errors!


All contributions will be acknowledged on our site with corresponding credits.
For any suggestions please contact us!