วีดีโอ

A tutorial on the use of the Gem Refractometer, to help to identify a transparent gemstone. This video covers the basic use of this gemological instrument, and how it works.

A short guided mindfulness meditation.

A tutorial on the use of the Polariscope, to start to identify a gemstone. This video covers the basic use of this gemological instrument.

A simple method to measure the specific gravity of stones. Tourmaline, Obsidian and Onyx.

Simple instructions on how to test for 925 Sterling Silver, without damaging your jewellery in the process.

A brief introduction to the Mohs hardness scale for Gemstone Identification. Practical uses for identifying unknown crystals and gemstones.