Hubert Heldner Avenue des Alpes 70 1820 Montreux     Switzerland phone +41 21 963 89 77 Dedicated to lapidary and jewellery work with a unique program of classes

				"inspirations for home office"
Jewels	Sculptures	Faceted stones	Sylphides	Jewelers tool box

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Gemstone Safari - Mahenge in Tanzania 14 days July 27th - August 10th 2025 Gemstone Safari - Umba in Tanzania 17 days January 08th - 25th 2025 July        02nd - 19th 2025 Gemstone Safari - Umba with Ruby-Zoisite Jewelry class in Tanzania 17 days January 08th - 25th 2025 July        02nd - 19th 2025 An educational adventure and introduction to the geology and to the gems of Tanzania. Lapidary and gemmology classes are available on location. Cutting and carving Jade, with a visit to a omphacite-jade deposit in Switzerland New 12 - 17 October 2024 Sister workshops around the world The network of our past students, master crafts-men and -wimen today, teaching in their own workshops are located in : Tanzania, Columbia, Mozambique, Nigeria, Iran, France, DRC congo, Somaliland . . . . . "The secrecy in the gem and jewelry business is exactly the reason why I started to teach. It is very hard to learn if nobody is willing to share. If something is missing you need to become ( or turn yourself into ) what is missing. One day you will teach in your own country and make all the difference. Sharing and the concept of paying it forward is a joyful way into a different future." You are cordially invited to participate. Hubert Heldner