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Crystals and Precious Stones: Become an Expert

Riverbeds hide valuable gem bearing-gravel. There are rubies, sapphires and jades. Start prospecting now!

  1. Topics
  2. Lifestyle
  3. Gemstone Identification

Crystals and Precious Stones: Become an Expert

InstructorMatteo Oberto
Duration3h 48m
Students29
Rating4.1 (7)
Sponsored
Price
$44.99
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