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It is relevant for anyone working in the gemstone industry to learn the key information of coloured gems.

It is why we created this printable guide to help you understand the basic idea behind colour, cut and clarity of precious and semi-precious stones.

What's more in our guide:

  • The origin and treatments of precious and semi-precious gems
  • Gemstone hardness in Mohs scale table and graph

Fill out to the form to download the FREE guide and use this information to find the right precious and semi precious stone for your jewellery in mind. 

 Information-About-Gemstones

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