Gemini brand natural stone bracelets - brand history: Founded in 2013 by twin brothers, Gemini is now the largest manufacturer of natural stone bracelets in Europe. The bracelets are handmade in Belgium and use stones from all over the world - Mexico, Eastern Europe and Asia. Each of the stones used has a different power and purpose. For example, Sodalite protects against negative energy, Howlite soothes nerves and stress, and Tiger's Eye helps you achieve your goals.