Nick Hodgson gives a tutorial on Gem stone identification using the polariscope. This is a two part tutorial.
Take a quick tour through Melissa Muir's Studio for tips and tricks in organizing tools and materials.
Luis Moreno demonstrates how to fabricate a fish...,http://www.google.com/profiles/Luis.F.Moreno.Silversmith
Aghate slice drilled and precious stones set in holes ( saphires and rubies) Hand made and drilled . The aghate was cut by Mr Ottomar Herlinger and the precious stones by Mr Keith Jerome Biodrowsky